Ole Gunnar Dahlhaug
About
Competencies
Publications
2024
-
Rijal, Mamata;
Dahlhaug, Ole Gunnar.
(2024)
Study of Labyrinth Seals of Francis Turbines for Sediment-laden Hydropower.
Briefs
-
Abregu, Jim;
Dahlhaug, Ole Gunnar.
(2024)
Erosion on Pelton turbines.
Briefs
-
Kuhn, Wolf Ludwig;
Solemslie, Bjørn Winther;
Hihn, Jean-Yves;
Dahlhaug, Ole Gunnar.
(2024)
Ultrasonic degassing of TDG supersaturated, flowing water.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Abregu Ochoa, Jim Furcio;
Scheuer, Jonas;
Satyal, Sajan;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2024)
Evaluation of the jet distortion by sediment erosion in the needle in the Pelton turbines.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2024)
Correlating Sediment Erosion in Rotary–Stationary Gaps of Francis Turbines with Complex Flow Patterns.
Energies
Academic article
2023
-
Kuhn, Wolf Ludwig;
Dahlhaug, Ole Gunnar;
Solemslie, Bjørn Winther;
Hihn, Jean-Yves.
(2023)
Evaluation of ultrasonic degasification as a tool to mitigate total dissolved gas supersaturation downstream hydropower plants.
Doktoravhandlinger ved NTNU (2023:445)
Doctoral dissertation
-
Kverno, Johannes Opedal;
Iliev, Igor;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2023)
Calibration of strain gauges on a model runner blade combining numerical and experimental data.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Kuhn, Wolf Ludwig;
Solemslie, Bjørn Winther;
Hihn, Jean-Yves;
Dahlhaug, Ole Gunnar.
(2023)
Evaluating natural degassing in a river to create a baseline for comparison to technical degassing methods.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Kverno, Johannes Opedal;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Iliev, Igor;
Solemslie, Bjørn Winther.
(2023)
Flexible operation of Francis turbines.
Doktoravhandlinger ved NTNU (2023:387)
Doctoral dissertation
-
Kuhn, Wolf Ludwig;
Dahlhaug, Ole Gunnar;
Solemslie, Bjørn Winther;
Hihn, Jean-Yves.
(2023)
Evaluation of ultrasonic degasification as a tool to mitigate total dissolved gas supersaturation downstream hydropower plants.
Doktoravhandlinger ved NTNU (2023:445)
Doctoral dissertation
-
Kverno, Johannes Opedal;
Vefring, Gaute Elde;
Iliev, Igor;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2023)
Challenges with onboard strain measurements on a model Francis turbine runner.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Kayastha, Atmaram;
Ghimire, Amul;
Bijukchhe, Pawan Lal;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2023)
Numerical investigation of model Francis turbine for performance enhancement with geometrical modification.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Wang, Hong;
Ahmed, Osman;
DeSomber, Kyle;
Sasthav, Colin;
Storli, Pål-Tore Selbo;
Dahlhaug, Ole Gunnar.
(2023)
Adaptive Hybrid 1D Modeling for Digital Twin of Hydropower Systems.
The International Association for Hydro-Environment Engineering and Research (IAHR)
Academic chapter/article/Conference paper
-
Wang, Hong;
Ou, Shiqi;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Skjelbred, Hans Ivar;
Vilberg, Ingrid Kristine.
(2023)
Adaptively Learned Modeling for a Digital Twin of Hydropower Turbines with Application to a Pilot Testing System.
Mathematics
Academic article
2022
-
Gautam, Saroj;
Acharya, Nirmal;
Lama, Ram;
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Zhu, Baoshan.
(2022)
Numerical and experimental investigation of erosive wear in Francis runner blade optimized for sediment laden hydropower projects in Nepal.
Sustainable Energy Technologies and Assessments
Academic article
-
Gautam, Saroj;
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2022)
Numerical investigation of a Pelton turbine at several operating conditions.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2022)
Development of simplified model for prediction of
sediment induced erosion in Francis turbine’s sidewall
gaps
.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2022)
Application of hydro-abrasive erosion model from IEC
62364:2019 standard in Francis turbines.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Gautam, Saroj;
Acharya, Nirmal;
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2022)
Sediment erosion in the labyrinths of Francis turbine: A numerical study.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Lazarevikj, Marija;
Stojkovski, Filip;
Markov, Zoran;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2022)
Parameter based tool for Francis turbine guide vanes design using coupled MATLAB-ANSYS approach.
Journal of Sustainable Development of Energy, Water and Environment Systems
Academic article
-
Kverno, Johannes Opedal;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2022)
High flexibility in Francis turbine operation and design philosophy: A review.
IOP Conference Series: Earth and Environmental Science (EES)
Academic literature review
2021
-
Stojkovski, Filip;
Lazarevikj, Marija;
Markov, Zoran;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2021)
Constraints of Parametrically Defined Guide Vanes for a High-Head Francis Turbine.
Energies
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2021)
Leakage Vortex Progression through a Guide Vane’s Clearance
Gap and the Resulting Pressure Fluctuation in a Francis Turbine.
Energies
Academic article
-
Dahlhaug, Ole Gunnar;
Jørgen Ranum, Krokstad.
(2021)
Vind- og vannkraften kan gjøre Norge 100 prosent fornybar.
Adresseavisen
Feature article
-
Acharya, Nirmal;
Trivedi, Chirag;
Gautam, Saroj;
Dahlhaug, Ole Gunnar.
(2021)
Investigation of sediment erosion phenomenon for different blade angle distribution in Francis runner.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Thapa, Biraj Singh;
Thapa, Bhola;
Dahlhaug, Ole Gunnar;
Lee, Young Ho;
Zhongdong, Qian.
(2021)
Current research in hydraulic turbines against sediment erosion: International partnership and collaborations.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Dahlhaug, Ole Gunnar;
Bakken, Tor Haakon;
Hultgren, Liv Randi;
Bergmann-Paulsen, Jonas.
(2021)
Norge må bygge ut mer vannkraft.
Adresseavisen
Feature article
-
Dahlhaug, Ole Gunnar;
Støren, Gine Kirkebøen.
(2021)
ldentifisering av sprekker i Francis turbiner.
Briefs
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar;
Sigurdsson, Bjarki;
Tengs, Erik Os.
(2021)
Modal testing of the Francis-99 runner.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
2020
-
Agnalt, Einar;
Solemslie, Bjørn Winther;
Storli, Pål-Tore Selbo;
Dahlhaug, Ole Gunnar.
(2020)
The Rotor-Stator Interaction Onboard a Low Specific speed Francis Turbine.
International Journal of Fluid Machinery and Systems
Academic article
-
Trivedi, Chirag;
Iliev, Igor;
Dahlhaug, Ole Gunnar;
Zoran, Markov;
Engstrom, Fredrik;
Lysaker, Henning.
(2020)
Investigation of a Francis turbine during speed variation: Inception of cavitation.
Renewable Energy
Academic article
-
Iliev, Igor;
Tengs, Erik Os;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2020)
Optimization of Francis Turbines for Variable Speed Operation Using Surrogate Modeling Approach.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Støren, Gine Kirkebøen;
Dahlhaug, Ole Gunnar;
Solemslie, Bjørn Winther.
(2020)
Signature Investigation of Typical Faults on Francis Turbines.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Volent, Eirik;
Sagmo, Kristian Forfot;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2020)
Experimental Study of Flow Structure in Converging–Diverging Axisymmetric Geometry.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Chitrakar, Sailesh;
Solemslie, Bjørn Winther;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2020)
Review on numerical techniques applied in impulse hydro turbines.
Renewable Energy
Academic literature review
-
Trivedi, Chirag;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2020)
Numerical study of a Francis turbine over wide operating range: Some practical aspects of verification.
Sustainability
Academic article
-
Vereide, Kaspar Vatland;
Mo, Birger;
Forseth, Torbjørn;
Lia, Leif;
Nysveen, Arne;
Dahlhaug, Ole Gunnar.
(2020)
AlternaFuture.
Norwegian Research Centre for Hydropower Technology TRONDHEIM
Report
2019
-
Agnalt, Einar;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo.
(2019)
Rotor-Stator Interaction in low-specific speed Francis Turbines.
Doktoravhandlinger ved NTNU (2019:219)
Doctoral dissertation
-
Iliev, Igor;
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2019)
Variable-speed operation and pressure pulsations in a Francis turbine and a pump-turbine.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Agnalt, Einar;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2019)
Onboard measurements of pressure pulsations in a high head Francis model runner.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Solemslie, Bjørn Winther;
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2019)
Pressure Pulsations and Fatigue Loads in High Head Francis Turbines.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Bergan, Carl Werdelin;
Tengs, Erik Os;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2019)
An Experimental Investigation of the Hydroynamic Damping of Vibrating Hydrofoils.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2019)
The numerical and experimental investigation of erosion
induced leakage flow through guide vanes of Francis turbine .
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Agnalt, Einar;
Iliev, Igor;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2019)
On the Rotor Stator Interaction Effects of Low Specific Speed Francis Turbines.
International Journal of Rotating Machinery
Academic article
-
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar;
Brandåstrø, Bård Aslak.
(2019)
Signature analysis of characteristic frequencies in a Francis turbine.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Volent, Eirik;
Dahlhaug, Ole Gunnar;
Tengs, Erik Os.
(2019)
Study of flow structure in erosion prone complex geometries.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2019)
A comprehensive review of verification and validation techniques applied to hydraulic turbines.
International Journal of Fluid Machinery and Systems
Academic literature review
-
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2019)
Development of a test rig for investigating the flow field around guide vanes of Francis turbines.
Flow Measurement and Instrumentation
Academic article
-
Iliev, Igor;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2019)
Variable-speed operation of Francis turbines: A review of the perspectives and challenges.
Renewable and Sustainable Energy Reviews
Academic literature review
-
Trivedi, Chirag;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Nielsen, Torbjørn Kristian.
(2019)
Francis-99 Workshop 3: Fluid structure interaction.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Nordvik, Andreas;
Iliev, Igor;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2019)
Numerical prediction of hill charts of Francis turbines.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Acharya, Nirmal;
Trivedi, Chirag;
Wahl, Nina Marie;
Gautam, S;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2019)
Numerical study of sediment erosion in guide vanes of a high head Francis turbine.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Neopane, Hari Prasad;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2019)
Role of Turbine Testing Lab for overcoming the challenges related to hydropower development in Nepal.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Bergan, Carl Werdelin;
Tengs, Erik Os;
Solemslie, Bjørn Winther;
Østby, Petter Thorvald Krogh;
Dahlhaug, Ole Gunnar.
(2019)
Damping Measurements on a Multi-Blade Cascade with Multiple Degrees of Freedom: A Francis-99 Test Case.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Østby, Petter Thorvald Krogh;
Agnalt, Einar;
Haugen, Bjørn;
Billdal, Jan Tore;
Dahlhaug, Ole Gunnar.
(2019)
Fluid structure interaction of Francis-99 turbine and experimental validation.
Journal of Physics: Conference Series (JPCS)
Academic article
2018
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2018)
Flow measurements around guide vanes of Francis turbine: A PIV approach.
Renewable Energy
Academic article
-
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2018)
Experimental investigation of a Francis turbine during exigent ramping and transition into total load rejection.
Journal of Hydraulic Engineering
Academic article
-
Siemonsmeier, Marius;
Baumanns, Philipp;
van Bracht, Niklas;
Schönefeld, Maik;
Schönbauer, Andrea;
Moser, Albert.
(2018)
Hydropower Providing Flexibility for a Renewable Energy System: Three European Energy Scenarios.
HydroFlex
Report
-
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar;
Neopane, Hari Prasad.
(2018)
Numerical investigation of
the effet of leakage flow through erosion-induced clearance gaps of guide vanes on the performance of Francis turbines.
Engineering Applications of Computational Fluid Mechanics
Academic article
-
Agnalt, Einar;
Østby, Petter Thorvald Krogh;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2018)
Experimental Study of a Low-Specific Speed Francis Model Runner during Resonance.
Shock and Vibration
Academic article
-
Bergan, Carl Werdelin;
Solemslie, Bjørn Winther;
Østby, Petter Thorvald Haug;
Dahlhaug, Ole Gunnar.
(2018)
Hydrodynamic Damping of a Fluttering Hydrofoil in High-speed Flows.
International Journal of Fluid Machinery and Systems
Academic article
-
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2018)
Interaction between trailing edge wake and vortex rings in a Francis turbine at runaway condition: Compressible large eddy simulation.
Physics of Fluids
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2018)
A Reference Pelton Turbine - Three-Dimensional Flow Front Tracking Within a Rotating Pelton Bucket.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Iliev, Igor;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2018)
Simplified hydrodynamic analysis on the general shape of the hill charts of Francis turbines using shroud-streamline modeling.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Ulvan, Vegard S.;
Kverno, Johannes O.;
Dahlhaug, Ole Gunnar.
(2018)
Pressure pulsations and hydraulic efficiency at Smeland power plant.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Sannes, Daniel B.;
Iliev, Igor;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2018)
Pressure Pulsation in a High Head Francis Turbine Operating at Variable Speed.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Shrestha, K.P.;
Chitrakar, Sailesh;
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2018)
Performance Comparison of Optimized Designs of Francis
Turbines Exposed to Sediment Erosion in various Operating
Conditions.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Volent, Eirik;
Dahlhaug, Ole Gunnar.
(2018)
Literature review relevant to particle erosion in complex
geometries.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Trivedi, Chirag;
Gogstad, Peter Joachim;
Dahlhaug, Ole Gunnar.
(2018)
Investigation of the Unsteady Pressure Pulsations in the Prototype Francis Turbines -Part 1: Steady State Operating Conditions.
Mechanical systems and signal processing
Academic article
-
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2018)
Experimental study of a Francis turbine under variable-speed and discharge conditions.
Renewable Energy
Academic article
2017
-
Trivedi, Chirag;
Gogstad, Peter Joachim;
Dahlhaug, Ole Gunnar.
(2017)
Investigation of the unsteady pressure pulsations in the prototype Francis turbines during load variation and startup.
Journal of Renewable and Sustainable Energy
Academic article
-
Dahlhaug, Ole Gunnar.
(2017)
Norsk vannkraft kan utnyttes bedre.
Adresseavisen
Feature article
-
Gogstad, Peter Joachim;
Dahlhaug, Ole Gunnar.
(2017)
Experimental investigation of air injection in high head Francis turbines.
International journal on hydropower and dams
Academic article
-
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2017)
Particle Image Velocimetry Investigation of the Leakage Flow Through Clearance Gaps in Cambered Hydrofoils.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Østby, Petter Thorvald Haug;
Billdal, Jan Tore;
Haugen, Bjørn;
Dahlhaug, Ole Gunnar.
(2017)
On the relation between friction losses and pressure pulsations caused by Rotor Stator interaction on the Francis-99 turbine.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2017)
Effects of sediment erosion in guide vanes of Francis
turbine.
Wear
Academic article
-
Cervantes, Michel;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2017)
Francis-99 Workshop 2: transient operation of Francis turbines.
Journal of Physics: Conference Series (JPCS)
Editorial
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2017)
Sediment erosion induced leakage flow from guide vane clearance gap in a low specific speed Francis turbine.
Renewable Energy
Academic article
-
Chitrakar, Sailesh;
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Neopane, Hari Prasad.
(2017)
Numerical and experimental study of the leakage flow in guide vanes with different hydrofoils.
Journal of Computational Design and Engineering
Academic article
-
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2017)
Investigations of unsteady pressure loading in a Francis turbine during variable-speed operation.
Renewable Energy
Academic article
-
Gong, Ruzhi;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2017)
Blade passage modeling strategy for hydraulic turbine.
International Journal of Fluid Machinery and Systems
Academic article
2016
-
Dahlhaug, Ole Gunnar.
(2016)
Vannkraftens rennessanse
.
Adresseavisen
Feature article
-
Østby, Petter Thorvald Haug;
Billdal, Jan Tore;
Sivertsen, Kjell;
Haugen, Bjørn;
Dahlhaug, Ole Gunnar.
(2016)
Dynamic Stresses In High Head Francis Turbines.
International journal on hydropower and dams
Academic article
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian;
Thapa, Bhola.
(2016)
Effects of sediment erosion in guide vanes of Francis turbines.
Skipnes Kommunikasjon as
Doctoral dissertation
-
Thapa, Biraj Singh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2016)
Design and development of guide vane cascade for a low speed number Francis turbine.
Journal of Hydrodynamics
Academic article
-
Dahlhaug, Ole Gunnar.
(2016)
Vannkraftens renessanse.
Adresseavisen
Feature article
-
Trivedi, Chirag;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2016)
Experimental and Numerical Studies of a High-Head Francis Turbine: A Review of the Francis-99 Test Case.
Energies
Academic literature review
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2016)
A reference Pelton turbine - High speed visualization in the rotating frame.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Bergan, Carl Werdelin;
Goyal, Rahul;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2016)
Experimental Investigation of a High Head Model
Francis Turbine During Steady-State Operation at
Off-Design Conditions.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Goyal, Rahul;
Bergan, Carl Werdelin;
Cervantes, Michel;
Gandhi, B. K.;
Dahlhaug, Ole Gunnar.
(2016)
Experimental investigation on a high head model Francis turbine during load rejection.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Gogstad, Peter Joachim;
Dahlhaug, Ole Gunnar.
(2016)
Evaluation of runner cone extension to dampen pressure pulsations in a Francis model turbine.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Chitrakar, Sailesh;
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Neopane, Hari Prasad.
(2016)
Numerical investigation of the flow phenomena around a low specific speed Francis turbine’s guide vane cascade.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2016)
Velocity and pressure measurements in guide vane clearance gap of a low specific speed Francis turbine.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2016)
Study of the simultaneous effects of secondary flow and sediment erosion in Francis turbines.
Renewable Energy
Academic literature review
-
Goyal, Rahul;
Trivedi, Chirag;
Gandhi, BK;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2016)
Transient pressure measurements at part load operating condition of a high head model Francis turbine.
Sādhanā (Bangalore)
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2016)
Experimental methods and design of a Pelton bucket.
Doktoravhandlinger ved NTNU (2016:01)
Doctoral dissertation
-
Trivedi, Chirag;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2016)
Numerical techniques applied to hydraulic turbines: a perspective review.
Applied Mechanics Review
Academic literature review
-
Brende, Hege;
Dahlhaug, Ole Gunnar;
Bruland, Oddbjørn;
Helland, Ingeborg Palm.
(2016)
Vannkraft er det nye blå gullet for Norge.
Aftenposten (morgenutg. : trykt utg.)
Feature article
2015
-
Holst, Martin;
Dahlhaug, Ole Gunnar;
Faudot, Celine.
(2015)
CFD Analysis of Wave-Induced Loads on Tidal Turbine Blades.
IEEE Journal of Oceanic Engineering
Academic article
-
Bergan, Carl Werdelin;
Amiri, Kaveh;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2015)
Preliminary Measurements of the Radial Velocity in the Francis-99 Draft Tube Cone.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Cervantes, Michel;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2015)
Francis-99 Workshop 1: steady operation of Francis turbines.
Journal of Physics: Conference Series (JPCS)
Editorial
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2015)
Sediment erosion in hydro turbines and its effect on the flow around guide vanes of Francis turbine.
Renewable and Sustainable Energy Reviews
Academic article
-
Trivedi, Chirag;
Gandhi, BK;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2015)
Experimental investigations of a model Francis turbine during shutdown at synchronous speed.
Renewable Energy
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Dahlhaug, Ole Gunnar;
Gandhi, BK.
(2015)
Experimental investigation of a high head Francis turbine during spin-no-load operation.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2015)
Studying the effects of jet alignment in Pelton units.
International journal on hydropower and dams
Academic article
2014
-
Trivedi, Chirag;
Cervantes, Michel;
Bhupendrakumar, Gandhi;
Dahlhaug, Ole Gunnar.
(2014)
Pressure measurements on a high-head Francis turbine during load acceptance and rejection.
Journal of Hydraulic Research
Academic article
-
Sundström, Joel;
Amiri, Kaveh;
Bergan, Carl Werdelin;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2014)
LDA measurements in the Francis-99 draft tube cone.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2014)
A reference pelton turbine - design and efficiency measurements.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Gandhi, B.K.;
Dahlhaug, Ole Gunnar.
(2014)
Experimental investigations of transient pressure variations in a high head model Francis turbine during start-up and shutdown.
Journal of Hydrodynamics
Academic article
-
Dahlhaug, Ole Gunnar.
(2014)
Nøkkelen til en bedre verden.
Adresseavisen
Feature article
-
Trivedi, Chirag;
Cervantes, Michel;
Bhupendrakumar, Gandhi;
Dahlhaug, Ole Gunnar.
(2014)
Transient pressure measurements on a high head model Francis turbine during emergency shutdown, total load rejection, and runaway.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Gandhi, Bhupendra Kumar;
Dahlhaug, Ole Gunnar.
(2014)
Pressure measurements on a high-head Francis turbine during load acceptance and rejection.
Journal of Hydraulic Research
Academic article
2013
-
Eltvik, Mette;
Dahlhaug, Ole Gunnar.
(2013)
Sediment erosjion in Francis turbines.
NTNU
Doctoral dissertation
-
Shrestha, Krishna Prasad;
Dahlhaug, Ole Gunnar;
Thapa, Bhola;
Neopane, Hari Prasad;
Gurung, Nikhel;
Kayastha, Atmaram.
(2013)
Optimized design of Francis runner for sand laden water.
Hydro Nepal: Journal of Water, Energy and Environment
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Gandhi, B. K.;
Dahlhaug, Ole Gunnar.
(2013)
Experimental and Numerical Studies for a High Head Francis Turbine at Several Operating Points.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Fossum, Peter Kalsaas;
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2013)
Design and Fatigue Performance of Large Utility-Scale Wind Turbine Blades.
Journal of solar energy engineering
Academic article
2012
-
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2012)
Wind turbine design: Evaluation of dynamic loads on large offshore wind turbines.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandlinger ved NTNU (241)
Doctoral dissertation
-
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2012)
Effect of Pitch and Safety System Design on Dimensioning Loads for Offshore Wind Turbines During Grid Fault.
Energy Procedia
Academic article
-
Neopane, Hari Prasad;
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2012)
PARTICLE VELOCITY MEASUREMENT IN SWIRL FLOW, LABORATORY STUDIES.
Kathmandu University Journal of Science, Engineering and Technology
Academic literature review
-
Faudot, Celine;
Dahlhaug, Ole Gunnar.
(2012)
Prediction of Wave Loads on Tidal Turbine Blades.
Energy Procedia
Academic article
-
Thapa, Biraj Singh;
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2012)
Empirical modelling of sediment erosion in Francis turbines.
Energy
Academic article
-
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar;
Cervantes, Michel.
(2012)
The effect of sediment characteristics for predicting erosion on Francis turbines blades.
International journal on hydropower and dams
Academic article
-
Thapa, Biraj Singh;
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2012)
Current research in hydraulic turbines for handling sediments.
Energy
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2012)
A Reference Pelton Turbine Design.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
2011
-
Ramdal, Jørgen;
Dahlhaug, Ole Gunnar.
(2011)
Efficiency measurements in low head hydro power plants.
Norges teknisk-naturvitenskapelige universitet NTNU Trondheim
Doctoral dissertation
-
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar;
Cervantes, Michel.
(2011)
Sediment erosion in hydraulic turbines.
Global Journal of researches in engineering
Academic literature review
-
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2011)
A Conceptual Design Method for Parametric Study of Blades for Offshore Wind Turbines (OMAE2011-49743).
The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
-
Faudot, Celine;
Dahlhaug, Ole Gunnar.
(2011)
Tidal Turbine Blades: Design and Dynamic Loads Estimation Using CFD and Blade Element Momentum Theory (OMAE2011-49740).
The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
-
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2011)
Rotor Design for a 10 MW Offshore Wind Turbine.
International Society of Offshore & Polar Engineers
Academic chapter/article/Conference paper
-
Dahlhaug, Ole Gunnar;
Valmot, Odd Richard.
(2011)
Løste en av vannkraftens største utfordringer.
Teknisk Ukeblad
Interview Journal
-
Anne-Lise, Aakervik;
Dahlhaug, Ole Gunnar.
(2011)
Vannkraft i vinden.
Energi
Interview Journal
2010
-
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2010)
Sediment erosion in hydro turbines.
Norges teknisk-naturvitenskapelige universitet
Norges teknisk-naturvitenskapelige universitet
Doctoral dissertation
-
Dahlhaug, Ole Gunnar;
Skåre, Per Egil;
Mossing, V.;
Gutierrez, A..
(2010)
Erosion resistant coatings for Francis runner and guidevanes.
International journal on hydropower and dams
Academic article
2009
-
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2009)
Turbine Testing Laboratory and its Role in Hydropower.
Hydro Nepal: Journal of Water, Energy and Environment
Academic article
2008
-
Bajracharya, Tri ratna;
Acharya, B.;
Joshi, C.B.;
Saini, R.P.;
Dahlhaug, Ole Gunnar.
(2008)
Sand erosion of Pelton turbine nozzles and buckets: A case study of Chilime Hydropower Plant.
Wear
Academic article
2007
-
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Ramdal, Jørgen;
Brandåstrø, Bård Aslak.
(2007)
Tokke model test 2006-2007 VA-Tech runner.
Institutt for energi og prosessteknikk, NTNU
Report
-
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Ramdal, Jørgen;
Brandåstrø, Bård Aslak.
(2007)
Tokke model test 2006-2007 NTNU reference runner.
Institutt for energi og prosessteknikk, NTNU
Report
-
Francke, Håkon Hjort;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Ramdal, Jørgen;
Kobro, Einar.
(2007)
Saurdal pumpekraftverk - Virkningsgrads- og falltapsmålinger.
Vannkraftlabortaoriet
Report
2006
-
Skåre, Per Egil;
Dahlhaug, Ole Gunnar;
Kobro, Einar.
(2006)
Sandslitasje i Pelton løpehjul.
SINTEF Energiforskning AS
Report
-
Skåre, Per Egil;
Dahlhaug, Ole Gunnar.
(2006)
Tapsanalyse og Skalaeffekt.
SINTEF Energiforskning AS
Report
-
Bajracharya, Tri ratna;
Joshi, C.B.;
Saini, R.P.;
Dahlhaug, Ole Gunnar.
(2006)
Correlation between sand led erosion of Pelton buckets and efficiency losses in high head hydropower schemes.
Journal of the institute of engineering
Academic article
2005
-
Dahlhaug, Ole Gunnar;
Støle, Haakon;
Pradhan, Pratik;
Joshi, Pabitra;
Bishwakarma, Meg.
(2005)
Sediment and efficiency measurement at Khimti I hydropower plant - Monsoon 2004.
Hydro Lab Ltd.
Report
2004
-
Dahlhaug, Ole Gunnar;
Pratik, Pradhan.
(2004)
Efficiency measurements at Andi Khola Hydropower Plant.
Hydro Lab Ltd
Report
-
Dahlhaug, Ole Gunnar;
Støle, Haakon;
Pradhan, Pratik;
Joshi, Pabitra;
Bishwakarma, Meg.
(2004)
Sediment and efficiency measurements at Jhimruk Hydropower Plant - Monsoon 2003.
Hydro Lab Ltd.
Report
2003
-
Dahlhaug, Ole Gunnar;
Brekke, Hermod.
(2003)
Innovations in Turbine Design and Generator Condition Assesment.
Hydro Review Worldwide
Academic article
2002
-
Knudsen, Sverre D;
Dahlhaug, Ole Gunnar;
Kjeldsen, Morten;
Børresen, Bjarne.
(2002)
Turbomachinery Calculations at highly off-design conditions.
International Journal of Applied Mechanics and Engineering
Academic article
-
Dahlhaug, Ole Gunnar.
(2002)
Utvikling av tidevannsturbin : prototype på 50 meters dyp i Kvalsundet.
Xergi
Popular scientific article
-
Dahlhaug, Ole Gunnar;
Martinsen, Anna Louise.
(2002)
Nasjonalt kontroll-laboratorium for små turbiner.
Xergi
Popular scientific article
-
Dahlhaug, Ole Gunnar;
Brandåstrø, Bård Aslak.
(2002)
Virkningsgrad- og falltapsmåling ved Breivikbotn Kraftverk.
NTNU
Report
-
Dahlhaug, Ole Gunnar;
Brandåstrø, Bård Aslak.
(2002)
Virkningsgrad- og falltapsmålinger ved Øvre Porsa Kraftverk.
Vannkraftlaboratoriet, NTNU
Report
-
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2002)
Status for mini- og mikrokraftverk i Norge.
Vannkraftlaboratoriet, NTNU
Report
-
Martinsen, Anna Louise;
Dahlhaug, Ole Gunnar.
(2002)
Miljøtilpasset el-kraftproduksjon ved små vannkraftverk i distrikts-Norge.
NTNU, Trondheim, Norge
Report
2000
-
Dahlhaug, Ole Gunnar;
Skåre, Per Egil;
Børresen, Bjarne.
(2000)
CFD-CALCULATION OF SWIRLFLOW IN A CONICAL DIFFUSER AND BEND.
IAHR Symposium, Hydraulic Machinery and Systems. Conference Proceedings
Academic article
-
Dahlhaug, Ole Gunnar;
Brekke, Hermod.
(2000)
HIGH TECNOLOGY VERSUS LOW COSTS FOR SMALL HYDRO FRANCIS TURBINES.
SMALL HYDRO 2000, Conference Proceedings, 8-12 May 2000
Academic article
1998
-
Dahlhaug, Ole Gunnar.
(1998)
Termodynamisk virkningsgradsmåling for lave fallhøyder.
SINTEF Energiforskning
Report
-
Dahlhaug, Ole Gunnar.
(1998)
A study of swirl flow in draft tubes.
NTNU, Trondheim
Doctoral dissertation
1996
-
Dahlhaug, Ole Gunnar;
Vekve, Thomas.
(1996)
LDV-measurements in circular sections.
SINTEF Strømningsmaskiner
Report
Journal publications
-
Kuhn, Wolf Ludwig;
Solemslie, Bjørn Winther;
Hihn, Jean-Yves;
Dahlhaug, Ole Gunnar.
(2024)
Ultrasonic degassing of TDG supersaturated, flowing water.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Abregu Ochoa, Jim Furcio;
Scheuer, Jonas;
Satyal, Sajan;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2024)
Evaluation of the jet distortion by sediment erosion in the needle in the Pelton turbines.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2024)
Correlating Sediment Erosion in Rotary–Stationary Gaps of Francis Turbines with Complex Flow Patterns.
Energies
Academic article
-
Kverno, Johannes Opedal;
Iliev, Igor;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2023)
Calibration of strain gauges on a model runner blade combining numerical and experimental data.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Kuhn, Wolf Ludwig;
Solemslie, Bjørn Winther;
Hihn, Jean-Yves;
Dahlhaug, Ole Gunnar.
(2023)
Evaluating natural degassing in a river to create a baseline for comparison to technical degassing methods.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Kverno, Johannes Opedal;
Vefring, Gaute Elde;
Iliev, Igor;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2023)
Challenges with onboard strain measurements on a model Francis turbine runner.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Kayastha, Atmaram;
Ghimire, Amul;
Bijukchhe, Pawan Lal;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2023)
Numerical investigation of model Francis turbine for performance enhancement with geometrical modification.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Wang, Hong;
Ou, Shiqi;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Skjelbred, Hans Ivar;
Vilberg, Ingrid Kristine.
(2023)
Adaptively Learned Modeling for a Digital Twin of Hydropower Turbines with Application to a Pilot Testing System.
Mathematics
Academic article
-
Gautam, Saroj;
Acharya, Nirmal;
Lama, Ram;
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Zhu, Baoshan.
(2022)
Numerical and experimental investigation of erosive wear in Francis runner blade optimized for sediment laden hydropower projects in Nepal.
Sustainable Energy Technologies and Assessments
Academic article
-
Gautam, Saroj;
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2022)
Numerical investigation of a Pelton turbine at several operating conditions.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2022)
Development of simplified model for prediction of
sediment induced erosion in Francis turbine’s sidewall
gaps
.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2022)
Application of hydro-abrasive erosion model from IEC
62364:2019 standard in Francis turbines.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Gautam, Saroj;
Acharya, Nirmal;
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2022)
Sediment erosion in the labyrinths of Francis turbine: A numerical study.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Lazarevikj, Marija;
Stojkovski, Filip;
Markov, Zoran;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2022)
Parameter based tool for Francis turbine guide vanes design using coupled MATLAB-ANSYS approach.
Journal of Sustainable Development of Energy, Water and Environment Systems
Academic article
-
Kverno, Johannes Opedal;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2022)
High flexibility in Francis turbine operation and design philosophy: A review.
IOP Conference Series: Earth and Environmental Science (EES)
Academic literature review
-
Stojkovski, Filip;
Lazarevikj, Marija;
Markov, Zoran;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2021)
Constraints of Parametrically Defined Guide Vanes for a High-Head Francis Turbine.
Energies
Academic article
-
Acharya, Nirmal;
Gautam, Saroj;
Chitrakar, Sailesh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2021)
Leakage Vortex Progression through a Guide Vane’s Clearance
Gap and the Resulting Pressure Fluctuation in a Francis Turbine.
Energies
Academic article
-
Dahlhaug, Ole Gunnar;
Jørgen Ranum, Krokstad.
(2021)
Vind- og vannkraften kan gjøre Norge 100 prosent fornybar.
Adresseavisen
Feature article
-
Acharya, Nirmal;
Trivedi, Chirag;
Gautam, Saroj;
Dahlhaug, Ole Gunnar.
(2021)
Investigation of sediment erosion phenomenon for different blade angle distribution in Francis runner.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Thapa, Biraj Singh;
Thapa, Bhola;
Dahlhaug, Ole Gunnar;
Lee, Young Ho;
Zhongdong, Qian.
(2021)
Current research in hydraulic turbines against sediment erosion: International partnership and collaborations.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Dahlhaug, Ole Gunnar;
Bakken, Tor Haakon;
Hultgren, Liv Randi;
Bergmann-Paulsen, Jonas.
(2021)
Norge må bygge ut mer vannkraft.
Adresseavisen
Feature article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar;
Sigurdsson, Bjarki;
Tengs, Erik Os.
(2021)
Modal testing of the Francis-99 runner.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Agnalt, Einar;
Solemslie, Bjørn Winther;
Storli, Pål-Tore Selbo;
Dahlhaug, Ole Gunnar.
(2020)
The Rotor-Stator Interaction Onboard a Low Specific speed Francis Turbine.
International Journal of Fluid Machinery and Systems
Academic article
-
Trivedi, Chirag;
Iliev, Igor;
Dahlhaug, Ole Gunnar;
Zoran, Markov;
Engstrom, Fredrik;
Lysaker, Henning.
(2020)
Investigation of a Francis turbine during speed variation: Inception of cavitation.
Renewable Energy
Academic article
-
Iliev, Igor;
Tengs, Erik Os;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2020)
Optimization of Francis Turbines for Variable Speed Operation Using Surrogate Modeling Approach.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Støren, Gine Kirkebøen;
Dahlhaug, Ole Gunnar;
Solemslie, Bjørn Winther.
(2020)
Signature Investigation of Typical Faults on Francis Turbines.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Volent, Eirik;
Sagmo, Kristian Forfot;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2020)
Experimental Study of Flow Structure in Converging–Diverging Axisymmetric Geometry.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Chitrakar, Sailesh;
Solemslie, Bjørn Winther;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2020)
Review on numerical techniques applied in impulse hydro turbines.
Renewable Energy
Academic literature review
-
Trivedi, Chirag;
Iliev, Igor;
Dahlhaug, Ole Gunnar.
(2020)
Numerical study of a Francis turbine over wide operating range: Some practical aspects of verification.
Sustainability
Academic article
-
Iliev, Igor;
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2019)
Variable-speed operation and pressure pulsations in a Francis turbine and a pump-turbine.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Agnalt, Einar;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2019)
Onboard measurements of pressure pulsations in a high head Francis model runner.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Solemslie, Bjørn Winther;
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2019)
Pressure Pulsations and Fatigue Loads in High Head Francis Turbines.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Bergan, Carl Werdelin;
Tengs, Erik Os;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2019)
An Experimental Investigation of the Hydroynamic Damping of Vibrating Hydrofoils.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2019)
The numerical and experimental investigation of erosion
induced leakage flow through guide vanes of Francis turbine .
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Agnalt, Einar;
Iliev, Igor;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2019)
On the Rotor Stator Interaction Effects of Low Specific Speed Francis Turbines.
International Journal of Rotating Machinery
Academic article
-
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar;
Brandåstrø, Bård Aslak.
(2019)
Signature analysis of characteristic frequencies in a Francis turbine.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Volent, Eirik;
Dahlhaug, Ole Gunnar;
Tengs, Erik Os.
(2019)
Study of flow structure in erosion prone complex geometries.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2019)
A comprehensive review of verification and validation techniques applied to hydraulic turbines.
International Journal of Fluid Machinery and Systems
Academic literature review
-
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2019)
Development of a test rig for investigating the flow field around guide vanes of Francis turbines.
Flow Measurement and Instrumentation
Academic article
-
Iliev, Igor;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2019)
Variable-speed operation of Francis turbines: A review of the perspectives and challenges.
Renewable and Sustainable Energy Reviews
Academic literature review
-
Trivedi, Chirag;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Nielsen, Torbjørn Kristian.
(2019)
Francis-99 Workshop 3: Fluid structure interaction.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Nordvik, Andreas;
Iliev, Igor;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2019)
Numerical prediction of hill charts of Francis turbines.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Acharya, Nirmal;
Trivedi, Chirag;
Wahl, Nina Marie;
Gautam, S;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2019)
Numerical study of sediment erosion in guide vanes of a high head Francis turbine.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Neopane, Hari Prasad;
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar.
(2019)
Role of Turbine Testing Lab for overcoming the challenges related to hydropower development in Nepal.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Bergan, Carl Werdelin;
Tengs, Erik Os;
Solemslie, Bjørn Winther;
Østby, Petter Thorvald Krogh;
Dahlhaug, Ole Gunnar.
(2019)
Damping Measurements on a Multi-Blade Cascade with Multiple Degrees of Freedom: A Francis-99 Test Case.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Østby, Petter Thorvald Krogh;
Agnalt, Einar;
Haugen, Bjørn;
Billdal, Jan Tore;
Dahlhaug, Ole Gunnar.
(2019)
Fluid structure interaction of Francis-99 turbine and experimental validation.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2018)
Flow measurements around guide vanes of Francis turbine: A PIV approach.
Renewable Energy
Academic article
-
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2018)
Experimental investigation of a Francis turbine during exigent ramping and transition into total load rejection.
Journal of Hydraulic Engineering
Academic article
-
Chitrakar, Sailesh;
Dahlhaug, Ole Gunnar;
Neopane, Hari Prasad.
(2018)
Numerical investigation of
the effet of leakage flow through erosion-induced clearance gaps of guide vanes on the performance of Francis turbines.
Engineering Applications of Computational Fluid Mechanics
Academic article
-
Agnalt, Einar;
Østby, Petter Thorvald Krogh;
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2018)
Experimental Study of a Low-Specific Speed Francis Model Runner during Resonance.
Shock and Vibration
Academic article
-
Bergan, Carl Werdelin;
Solemslie, Bjørn Winther;
Østby, Petter Thorvald Haug;
Dahlhaug, Ole Gunnar.
(2018)
Hydrodynamic Damping of a Fluttering Hydrofoil in High-speed Flows.
International Journal of Fluid Machinery and Systems
Academic article
-
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2018)
Interaction between trailing edge wake and vortex rings in a Francis turbine at runaway condition: Compressible large eddy simulation.
Physics of Fluids
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2018)
A Reference Pelton Turbine - Three-Dimensional Flow Front Tracking Within a Rotating Pelton Bucket.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Iliev, Igor;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2018)
Simplified hydrodynamic analysis on the general shape of the hill charts of Francis turbines using shroud-streamline modeling.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Ulvan, Vegard S.;
Kverno, Johannes O.;
Dahlhaug, Ole Gunnar.
(2018)
Pressure pulsations and hydraulic efficiency at Smeland power plant.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Sannes, Daniel B.;
Iliev, Igor;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2018)
Pressure Pulsation in a High Head Francis Turbine Operating at Variable Speed.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Shrestha, K.P.;
Chitrakar, Sailesh;
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2018)
Performance Comparison of Optimized Designs of Francis
Turbines Exposed to Sediment Erosion in various Operating
Conditions.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Volent, Eirik;
Dahlhaug, Ole Gunnar.
(2018)
Literature review relevant to particle erosion in complex
geometries.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Trivedi, Chirag;
Gogstad, Peter Joachim;
Dahlhaug, Ole Gunnar.
(2018)
Investigation of the Unsteady Pressure Pulsations in the Prototype Francis Turbines -Part 1: Steady State Operating Conditions.
Mechanical systems and signal processing
Academic article
-
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2018)
Experimental study of a Francis turbine under variable-speed and discharge conditions.
Renewable Energy
Academic article
-
Trivedi, Chirag;
Gogstad, Peter Joachim;
Dahlhaug, Ole Gunnar.
(2017)
Investigation of the unsteady pressure pulsations in the prototype Francis turbines during load variation and startup.
Journal of Renewable and Sustainable Energy
Academic article
-
Dahlhaug, Ole Gunnar.
(2017)
Norsk vannkraft kan utnyttes bedre.
Adresseavisen
Feature article
-
Gogstad, Peter Joachim;
Dahlhaug, Ole Gunnar.
(2017)
Experimental investigation of air injection in high head Francis turbines.
International journal on hydropower and dams
Academic article
-
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2017)
Particle Image Velocimetry Investigation of the Leakage Flow Through Clearance Gaps in Cambered Hydrofoils.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Østby, Petter Thorvald Haug;
Billdal, Jan Tore;
Haugen, Bjørn;
Dahlhaug, Ole Gunnar.
(2017)
On the relation between friction losses and pressure pulsations caused by Rotor Stator interaction on the Francis-99 turbine.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2017)
Effects of sediment erosion in guide vanes of Francis
turbine.
Wear
Academic article
-
Cervantes, Michel;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2017)
Francis-99 Workshop 2: transient operation of Francis turbines.
Journal of Physics: Conference Series (JPCS)
Editorial
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2017)
Sediment erosion induced leakage flow from guide vane clearance gap in a low specific speed Francis turbine.
Renewable Energy
Academic article
-
Chitrakar, Sailesh;
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Neopane, Hari Prasad.
(2017)
Numerical and experimental study of the leakage flow in guide vanes with different hydrofoils.
Journal of Computational Design and Engineering
Academic article
-
Trivedi, Chirag;
Agnalt, Einar;
Dahlhaug, Ole Gunnar.
(2017)
Investigations of unsteady pressure loading in a Francis turbine during variable-speed operation.
Renewable Energy
Academic article
-
Gong, Ruzhi;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2017)
Blade passage modeling strategy for hydraulic turbine.
International Journal of Fluid Machinery and Systems
Academic article
-
Dahlhaug, Ole Gunnar.
(2016)
Vannkraftens rennessanse
.
Adresseavisen
Feature article
-
Østby, Petter Thorvald Haug;
Billdal, Jan Tore;
Sivertsen, Kjell;
Haugen, Bjørn;
Dahlhaug, Ole Gunnar.
(2016)
Dynamic Stresses In High Head Francis Turbines.
International journal on hydropower and dams
Academic article
-
Thapa, Biraj Singh;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar.
(2016)
Design and development of guide vane cascade for a low speed number Francis turbine.
Journal of Hydrodynamics
Academic article
-
Dahlhaug, Ole Gunnar.
(2016)
Vannkraftens renessanse.
Adresseavisen
Feature article
-
Trivedi, Chirag;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2016)
Experimental and Numerical Studies of a High-Head Francis Turbine: A Review of the Francis-99 Test Case.
Energies
Academic literature review
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2016)
A reference Pelton turbine - High speed visualization in the rotating frame.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Bergan, Carl Werdelin;
Goyal, Rahul;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2016)
Experimental Investigation of a High Head Model
Francis Turbine During Steady-State Operation at
Off-Design Conditions.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Goyal, Rahul;
Bergan, Carl Werdelin;
Cervantes, Michel;
Gandhi, B. K.;
Dahlhaug, Ole Gunnar.
(2016)
Experimental investigation on a high head model Francis turbine during load rejection.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Gogstad, Peter Joachim;
Dahlhaug, Ole Gunnar.
(2016)
Evaluation of runner cone extension to dampen pressure pulsations in a Francis model turbine.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Chitrakar, Sailesh;
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Neopane, Hari Prasad.
(2016)
Numerical investigation of the flow phenomena around a low specific speed Francis turbine’s guide vane cascade.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2016)
Velocity and pressure measurements in guide vane clearance gap of a low specific speed Francis turbine.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Chitrakar, Sailesh;
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2016)
Study of the simultaneous effects of secondary flow and sediment erosion in Francis turbines.
Renewable Energy
Academic literature review
-
Goyal, Rahul;
Trivedi, Chirag;
Gandhi, BK;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2016)
Transient pressure measurements at part load operating condition of a high head model Francis turbine.
Sādhanā (Bangalore)
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2016)
Numerical techniques applied to hydraulic turbines: a perspective review.
Applied Mechanics Review
Academic literature review
-
Brende, Hege;
Dahlhaug, Ole Gunnar;
Bruland, Oddbjørn;
Helland, Ingeborg Palm.
(2016)
Vannkraft er det nye blå gullet for Norge.
Aftenposten (morgenutg. : trykt utg.)
Feature article
-
Holst, Martin;
Dahlhaug, Ole Gunnar;
Faudot, Celine.
(2015)
CFD Analysis of Wave-Induced Loads on Tidal Turbine Blades.
IEEE Journal of Oceanic Engineering
Academic article
-
Bergan, Carl Werdelin;
Amiri, Kaveh;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2015)
Preliminary Measurements of the Radial Velocity in the Francis-99 Draft Tube Cone.
Journal of Physics: Conference Series (JPCS)
Academic article
-
Cervantes, Michel;
Trivedi, Chirag;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2015)
Francis-99 Workshop 1: steady operation of Francis turbines.
Journal of Physics: Conference Series (JPCS)
Editorial
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Thapa, Bhola.
(2015)
Sediment erosion in hydro turbines and its effect on the flow around guide vanes of Francis turbine.
Renewable and Sustainable Energy Reviews
Academic article
-
Trivedi, Chirag;
Gandhi, BK;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2015)
Experimental investigations of a model Francis turbine during shutdown at synchronous speed.
Renewable Energy
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Dahlhaug, Ole Gunnar;
Gandhi, BK.
(2015)
Experimental investigation of a high head Francis turbine during spin-no-load operation.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2015)
Studying the effects of jet alignment in Pelton units.
International journal on hydropower and dams
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Bhupendrakumar, Gandhi;
Dahlhaug, Ole Gunnar.
(2014)
Pressure measurements on a high-head Francis turbine during load acceptance and rejection.
Journal of Hydraulic Research
Academic article
-
Sundström, Joel;
Amiri, Kaveh;
Bergan, Carl Werdelin;
Cervantes, Michel;
Dahlhaug, Ole Gunnar.
(2014)
LDA measurements in the Francis-99 draft tube cone.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2014)
A reference pelton turbine - design and efficiency measurements.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Gandhi, B.K.;
Dahlhaug, Ole Gunnar.
(2014)
Experimental investigations of transient pressure variations in a high head model Francis turbine during start-up and shutdown.
Journal of Hydrodynamics
Academic article
-
Dahlhaug, Ole Gunnar.
(2014)
Nøkkelen til en bedre verden.
Adresseavisen
Feature article
-
Trivedi, Chirag;
Cervantes, Michel;
Bhupendrakumar, Gandhi;
Dahlhaug, Ole Gunnar.
(2014)
Transient pressure measurements on a high head model Francis turbine during emergency shutdown, total load rejection, and runaway.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Gandhi, Bhupendra Kumar;
Dahlhaug, Ole Gunnar.
(2014)
Pressure measurements on a high-head Francis turbine during load acceptance and rejection.
Journal of Hydraulic Research
Academic article
-
Shrestha, Krishna Prasad;
Dahlhaug, Ole Gunnar;
Thapa, Bhola;
Neopane, Hari Prasad;
Gurung, Nikhel;
Kayastha, Atmaram.
(2013)
Optimized design of Francis runner for sand laden water.
Hydro Nepal: Journal of Water, Energy and Environment
Academic article
-
Trivedi, Chirag;
Cervantes, Michel;
Gandhi, B. K.;
Dahlhaug, Ole Gunnar.
(2013)
Experimental and Numerical Studies for a High Head Francis Turbine at Several Operating Points.
Journal of Fluids Engineering - Trancactions of The ASME
Academic article
-
Fossum, Peter Kalsaas;
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2013)
Design and Fatigue Performance of Large Utility-Scale Wind Turbine Blades.
Journal of solar energy engineering
Academic article
-
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2012)
Effect of Pitch and Safety System Design on Dimensioning Loads for Offshore Wind Turbines During Grid Fault.
Energy Procedia
Academic article
-
Neopane, Hari Prasad;
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2012)
PARTICLE VELOCITY MEASUREMENT IN SWIRL FLOW, LABORATORY STUDIES.
Kathmandu University Journal of Science, Engineering and Technology
Academic literature review
-
Faudot, Celine;
Dahlhaug, Ole Gunnar.
(2012)
Prediction of Wave Loads on Tidal Turbine Blades.
Energy Procedia
Academic article
-
Thapa, Biraj Singh;
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2012)
Empirical modelling of sediment erosion in Francis turbines.
Energy
Academic article
-
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar;
Cervantes, Michel.
(2012)
The effect of sediment characteristics for predicting erosion on Francis turbines blades.
International journal on hydropower and dams
Academic article
-
Thapa, Biraj Singh;
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2012)
Current research in hydraulic turbines for handling sediments.
Energy
Academic article
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar.
(2012)
A Reference Pelton Turbine Design.
IOP Conference Series: Earth and Environmental Science (EES)
Academic article
-
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar;
Cervantes, Michel.
(2011)
Sediment erosion in hydraulic turbines.
Global Journal of researches in engineering
Academic literature review
-
Dahlhaug, Ole Gunnar;
Valmot, Odd Richard.
(2011)
Løste en av vannkraftens største utfordringer.
Teknisk Ukeblad
Interview Journal
-
Anne-Lise, Aakervik;
Dahlhaug, Ole Gunnar.
(2011)
Vannkraft i vinden.
Energi
Interview Journal
-
Dahlhaug, Ole Gunnar;
Skåre, Per Egil;
Mossing, V.;
Gutierrez, A..
(2010)
Erosion resistant coatings for Francis runner and guidevanes.
International journal on hydropower and dams
Academic article
-
Thapa, Bhola;
Dahlhaug, Ole Gunnar.
(2009)
Turbine Testing Laboratory and its Role in Hydropower.
Hydro Nepal: Journal of Water, Energy and Environment
Academic article
-
Bajracharya, Tri ratna;
Acharya, B.;
Joshi, C.B.;
Saini, R.P.;
Dahlhaug, Ole Gunnar.
(2008)
Sand erosion of Pelton turbine nozzles and buckets: A case study of Chilime Hydropower Plant.
Wear
Academic article
-
Bajracharya, Tri ratna;
Joshi, C.B.;
Saini, R.P.;
Dahlhaug, Ole Gunnar.
(2006)
Correlation between sand led erosion of Pelton buckets and efficiency losses in high head hydropower schemes.
Journal of the institute of engineering
Academic article
-
Dahlhaug, Ole Gunnar;
Brekke, Hermod.
(2003)
Innovations in Turbine Design and Generator Condition Assesment.
Hydro Review Worldwide
Academic article
-
Knudsen, Sverre D;
Dahlhaug, Ole Gunnar;
Kjeldsen, Morten;
Børresen, Bjarne.
(2002)
Turbomachinery Calculations at highly off-design conditions.
International Journal of Applied Mechanics and Engineering
Academic article
-
Dahlhaug, Ole Gunnar.
(2002)
Utvikling av tidevannsturbin : prototype på 50 meters dyp i Kvalsundet.
Xergi
Popular scientific article
-
Dahlhaug, Ole Gunnar;
Martinsen, Anna Louise.
(2002)
Nasjonalt kontroll-laboratorium for små turbiner.
Xergi
Popular scientific article
-
Dahlhaug, Ole Gunnar;
Skåre, Per Egil;
Børresen, Bjarne.
(2000)
CFD-CALCULATION OF SWIRLFLOW IN A CONICAL DIFFUSER AND BEND.
IAHR Symposium, Hydraulic Machinery and Systems. Conference Proceedings
Academic article
-
Dahlhaug, Ole Gunnar;
Brekke, Hermod.
(2000)
HIGH TECNOLOGY VERSUS LOW COSTS FOR SMALL HYDRO FRANCIS TURBINES.
SMALL HYDRO 2000, Conference Proceedings, 8-12 May 2000
Academic article
Part of book/report
-
Wang, Hong;
Ahmed, Osman;
DeSomber, Kyle;
Sasthav, Colin;
Storli, Pål-Tore Selbo;
Dahlhaug, Ole Gunnar.
(2023)
Adaptive Hybrid 1D Modeling for Digital Twin of Hydropower Systems.
The International Association for Hydro-Environment Engineering and Research (IAHR)
Academic chapter/article/Conference paper
-
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2011)
A Conceptual Design Method for Parametric Study of Blades for Offshore Wind Turbines (OMAE2011-49743).
The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
-
Faudot, Celine;
Dahlhaug, Ole Gunnar.
(2011)
Tidal Turbine Blades: Design and Dynamic Loads Estimation Using CFD and Blade Element Momentum Theory (OMAE2011-49740).
The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
-
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2011)
Rotor Design for a 10 MW Offshore Wind Turbine.
International Society of Offshore & Polar Engineers
Academic chapter/article/Conference paper
Report
-
Kuhn, Wolf Ludwig;
Dahlhaug, Ole Gunnar;
Solemslie, Bjørn Winther;
Hihn, Jean-Yves.
(2023)
Evaluation of ultrasonic degasification as a tool to mitigate total dissolved gas supersaturation downstream hydropower plants.
Doktoravhandlinger ved NTNU (2023:445)
Doctoral dissertation
-
Kverno, Johannes Opedal;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Iliev, Igor;
Solemslie, Bjørn Winther.
(2023)
Flexible operation of Francis turbines.
Doktoravhandlinger ved NTNU (2023:387)
Doctoral dissertation
-
Kuhn, Wolf Ludwig;
Dahlhaug, Ole Gunnar;
Solemslie, Bjørn Winther;
Hihn, Jean-Yves.
(2023)
Evaluation of ultrasonic degasification as a tool to mitigate total dissolved gas supersaturation downstream hydropower plants.
Doktoravhandlinger ved NTNU (2023:445)
Doctoral dissertation
-
Vereide, Kaspar Vatland;
Mo, Birger;
Forseth, Torbjørn;
Lia, Leif;
Nysveen, Arne;
Dahlhaug, Ole Gunnar.
(2020)
AlternaFuture.
Norwegian Research Centre for Hydropower Technology TRONDHEIM
Report
-
Agnalt, Einar;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo.
(2019)
Rotor-Stator Interaction in low-specific speed Francis Turbines.
Doktoravhandlinger ved NTNU (2019:219)
Doctoral dissertation
-
Siemonsmeier, Marius;
Baumanns, Philipp;
van Bracht, Niklas;
Schönefeld, Maik;
Schönbauer, Andrea;
Moser, Albert.
(2018)
Hydropower Providing Flexibility for a Renewable Energy System: Three European Energy Scenarios.
HydroFlex
Report
-
Thapa, Biraj Singh;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian;
Thapa, Bhola.
(2016)
Effects of sediment erosion in guide vanes of Francis turbines.
Skipnes Kommunikasjon as
Doctoral dissertation
-
Solemslie, Bjørn Winther;
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2016)
Experimental methods and design of a Pelton bucket.
Doktoravhandlinger ved NTNU (2016:01)
Doctoral dissertation
-
Eltvik, Mette;
Dahlhaug, Ole Gunnar.
(2013)
Sediment erosjion in Francis turbines.
NTNU
Doctoral dissertation
-
Frøyd, Lars;
Dahlhaug, Ole Gunnar.
(2012)
Wind turbine design: Evaluation of dynamic loads on large offshore wind turbines.
Norges teknisk-naturvitenskapelige universitet
Doktoravhandlinger ved NTNU (241)
Doctoral dissertation
-
Ramdal, Jørgen;
Dahlhaug, Ole Gunnar.
(2011)
Efficiency measurements in low head hydro power plants.
Norges teknisk-naturvitenskapelige universitet NTNU Trondheim
Doctoral dissertation
-
Neopane, Hari Prasad;
Dahlhaug, Ole Gunnar.
(2010)
Sediment erosion in hydro turbines.
Norges teknisk-naturvitenskapelige universitet
Norges teknisk-naturvitenskapelige universitet
Doctoral dissertation
-
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Ramdal, Jørgen;
Brandåstrø, Bård Aslak.
(2007)
Tokke model test 2006-2007 VA-Tech runner.
Institutt for energi og prosessteknikk, NTNU
Report
-
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Ramdal, Jørgen;
Brandåstrø, Bård Aslak.
(2007)
Tokke model test 2006-2007 NTNU reference runner.
Institutt for energi og prosessteknikk, NTNU
Report
-
Francke, Håkon Hjort;
Dahlhaug, Ole Gunnar;
Storli, Pål-Tore Selbo;
Ramdal, Jørgen;
Kobro, Einar.
(2007)
Saurdal pumpekraftverk - Virkningsgrads- og falltapsmålinger.
Vannkraftlabortaoriet
Report
-
Skåre, Per Egil;
Dahlhaug, Ole Gunnar;
Kobro, Einar.
(2006)
Sandslitasje i Pelton løpehjul.
SINTEF Energiforskning AS
Report
-
Skåre, Per Egil;
Dahlhaug, Ole Gunnar.
(2006)
Tapsanalyse og Skalaeffekt.
SINTEF Energiforskning AS
Report
-
Dahlhaug, Ole Gunnar;
Støle, Haakon;
Pradhan, Pratik;
Joshi, Pabitra;
Bishwakarma, Meg.
(2005)
Sediment and efficiency measurement at Khimti I hydropower plant - Monsoon 2004.
Hydro Lab Ltd.
Report
-
Dahlhaug, Ole Gunnar;
Pratik, Pradhan.
(2004)
Efficiency measurements at Andi Khola Hydropower Plant.
Hydro Lab Ltd
Report
-
Dahlhaug, Ole Gunnar;
Støle, Haakon;
Pradhan, Pratik;
Joshi, Pabitra;
Bishwakarma, Meg.
(2004)
Sediment and efficiency measurements at Jhimruk Hydropower Plant - Monsoon 2003.
Hydro Lab Ltd.
Report
-
Dahlhaug, Ole Gunnar;
Brandåstrø, Bård Aslak.
(2002)
Virkningsgrad- og falltapsmåling ved Breivikbotn Kraftverk.
NTNU
Report
-
Dahlhaug, Ole Gunnar;
Brandåstrø, Bård Aslak.
(2002)
Virkningsgrad- og falltapsmålinger ved Øvre Porsa Kraftverk.
Vannkraftlaboratoriet, NTNU
Report
-
Dahlhaug, Ole Gunnar;
Nielsen, Torbjørn Kristian.
(2002)
Status for mini- og mikrokraftverk i Norge.
Vannkraftlaboratoriet, NTNU
Report
-
Martinsen, Anna Louise;
Dahlhaug, Ole Gunnar.
(2002)
Miljøtilpasset el-kraftproduksjon ved små vannkraftverk i distrikts-Norge.
NTNU, Trondheim, Norge
Report
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Dahlhaug, Ole Gunnar.
(1998)
Termodynamisk virkningsgradsmåling for lave fallhøyder.
SINTEF Energiforskning
Report
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Dahlhaug, Ole Gunnar.
(1998)
A study of swirl flow in draft tubes.
NTNU, Trondheim
Doctoral dissertation
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Dahlhaug, Ole Gunnar;
Vekve, Thomas.
(1996)
LDV-measurements in circular sections.
SINTEF Strømningsmaskiner
Report
INFORMASJONSMATR
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Rijal, Mamata;
Dahlhaug, Ole Gunnar.
(2024)
Study of Labyrinth Seals of Francis Turbines for Sediment-laden Hydropower.
Briefs
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Abregu, Jim;
Dahlhaug, Ole Gunnar.
(2024)
Erosion on Pelton turbines.
Briefs
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Dahlhaug, Ole Gunnar;
Støren, Gine Kirkebøen.
(2021)
ldentifisering av sprekker i Francis turbiner.
Briefs
Teaching
Courses
- EP8407 - High Pressure Hydraulic Machinery
- TEP4195 - Turbo Machinery
- EP8406 - Frequency and Power Governing of Hydro Power Plants
- TEP4906 - Sustainable energy systems, master thesis
- TEP4200 - Mechanical Design, Operation and Maintenance of Hydraulic Machinery
- FENT2321 - Wind Energy and Design of a Wind Turbine
- BA8510 - Head Loss Analyses in Hydro Power Tunnels. Hydraulics, Rock Blasting Technique and Economy.
- TEP4521 - Sustainable Energy Systems, Specialization Project
- EP8411 - Hydropower Plants; Selected Interdiciplinary Topics
- TEP4225 - Energy and Environment
- TEP4506 - Sustainable Energy Systems, Specialization Course
Outreach
2024
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Academic lectureKuhn, Wolf Ludwig; Solemslie, Bjørn Winther; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2024) Methods to prevent or mitigate total dissolved gas supersaturation in the waterways downstream hydropower plants. EERA JP Hydropower EERA Revamping Hydropower Research Workshop , Brussels 2024-09-24 - 2024-09-24
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Academic lecturePandey, Kamal P.; Albayrak, Ismail; Forseth, Torbjørn; Vetsch, David F.; Lillberg, Eric; Solemslie, Bjørn Winther. (2024) FishPath Project: Behavioral Responses of Atlantic Salmon Smolts to Vertical Eddies . ISE-FP 2024 2024-05-05 - 2024-05-09
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PosterKuhn, Wolf Ludwig; Hihn, Jean-Yves; Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2024) Ultrasonic degassing of total dissolved gas supersaturated, flowing water in an experimental laboratory setup. ESS 18th Meeting of the European Society of Sonochemistry , Leuven 2024-05-27 - 2024-05-31
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Academic lectureKuhn, Wolf Ludwig; Solemslie, Bjørn Winther; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2024) Ultrasonic degassing of TDG supersaturated, flowing water. Kathmandu University Current Research In Hydropower Technologies, CRHT – XII , Dhulikhel 2024-03-18 - 2024-03-18
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Academic lectureKuhn, Wolf Ludwig; Hihn, Jean-Yves; Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2024) Enhancement of liquid-gas mass transfer in total dissolved gas supersaturated water by technical methods. ESS 18th Meeting of the European Society of Sonochemistry , Leuven 2024-05-27 - 2027-05-31
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Academic lectureKuhn, Wolf Ludwig; Dahlhaug, Ole Gunnar. (2024) Challenges associated with flexible use of hydraulic turbines - a Norwegian perspective. PEN@Hydropower WG1, CA21104 Colloquium on flexibility impact on hydraulic machines aging , Vienna 2024-10-18 - 2024-10-18
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InterviewHertwich, Edgar G.; Røkke, Nils Anders; Tomasgard, Asgeir; Wyckmans, Annemie Bertha Marcella; Gullbrekken, Lars; Hafner, Armin. (2024) As our energy demands increase, so the planet continues to overheat. But there is still hope. NorwegianSciTech News NorwegianSciTech News [Internet] 2024-11-07
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Academic lectureGundersen, Håvard Hartvig; Kuhn, Wolf Ludwig; Solemslie, Bjørn Winther; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2024) Mitigation of total dissolved gas supersaturation using a bubble curtain. IAHR 10th International Symposium on Environmental Hydraulics , Aberdeen 2024-06-25 - 2024-06-27
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Academic lectureKuhn, Wolf Ludwig; Gundersen, Håvard Hartvig; Solemslie, Bjørn Winther; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2024) Utilization of gas bubbling to mitigate total dissolved gas supersaturation downstream hydropower plants. TU Wien 22nd International Seminar on Hydropower Plants - Viennahydro 2024 , Vienna 2024-11-13 - 2024-11-15
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Academic lectureAbregu Ochoa, Jim Furcio; Scheuer, Jonas; Satyal, Sajan; Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2024) Evaluation of the jet distortion by sediment erosion in the needle in the Pelton turbines. Turbine Testing Laboratory, Kathmandu University Current Research In Hydropower Technologies, CRHT – XII , Dulikel, Nepal 2024-03-18 - 2024-03-18
2023
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Academic lectureKuhn, Wolf Ludwig; Dahlhaug, Ole Gunnar; Hihn, Jean-Yves; Solemslie, Bjørn Winther. (2023) Evaluating Natural Degassing in a River to create a Baseline for Comparison to Technical Degassing Methods. Kathmandu University Current Research In Hydropower Technologies, CRHT – XI , Dhulikhel 2023-03-27 - 2023-03-27
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Academic lectureKuhn, Wolf Ludwig; Solemslie, Bjørn Winther; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2023) Mitigation of artificial TDG supersaturation in rivers downstream hydropower plants. IAHR 40th IAHR World Congress , Vienna 2023-08-21 - 2023-08-25
2022
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Academic lectureKuhn, Wolf Ludwig; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2022) Desorption of air content gases from supersaturated water during sonication with low-frequency, high-power ultrasound. ESS 17th Meeting of the European Society of Sonochemistry , Jena 2022-08-28 - 2022-09-01
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PosterKuhn, Wolf Ludwig; Solemslie, Bjørn Winther; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2022) Studying the degassing effect of power ultrasound on air-supersaturated, flowing water. ESS 17th Meeting of the European Society of Sonochemistry , Jena 2022-08-28 - 2022-09-01
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PosterKuhn, Wolf Ludwig; Solemslie, Bjørn Winther; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2022) Degassing air-supersaturated, flowing water. Energi Norge Produksjonsteknisk konferanse 2022 , Oslo 2022-03-08 - 2022-03-10
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LectureHarby, Atle; Dahlhaug, Ole Gunnar. (2022) Videreutvikling av vannkraften. NTNU og SINTEF Møte mellom NTNU/SINTEF og Energikommisjonen , Trondheim 2022-06-15 - 2022-06-15
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Academic lectureHultgreen, Liv Randi; Dahlhaug, Ole Gunnar. (2022) Growing x-disciplinary teamwork across established organizations and silo mentalities. NTNU Interdisciplinary teamwork skills for the 21st century , Trondheim, Norway 2022-06-16 - 2022-06-17
2021
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Academic lectureSolemslie, Bjørn Winther; Sigurdsson, Bjarki; Dahlhaug, Ole Gunnar; Tengs, Erik Os. (2021) Modal Testing of the Francis-99 Runner. 30th IAHR Symposium on Hydraulic Machinery and System 2021-03-22 - 2021-03-25
2019
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Academic lectureVereide, Kaspar; Lia, Leif; Dahlhaug, Ole Gunnar; Mo, Birger; Nysveen, Arne; Forseth, Torbjørn. (2019) Research on Extreme Upgrading of Existing Hydropower Systems. AquaMedia Hydro2019 , Porto 2019-10-14 - 2019-10-16
2018
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Academic lectureDahlhaug, Ole Gunnar. (2018) Model test of hydro turbines. International Centre for Hydropower, ICH Advancement in turbine and hydropower technology , Kathmandu University 2018-03-21 - 2018-03-21
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Popular scientific lectureDahlhaug, Ole Gunnar; Holst, Martin a.; Fjærvold, Kjell-Tore. (2018) Høytrykks Francishjul som ikke sprekker. Energi Norge Produksjonsteknisk Konferanse, PTK 2018 , Trondheim 2018-03-05 - 2018-03-07
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Academic lectureSelvig, M. J.; Dahlhaug, Ole Gunnar; Trivedi, Chirag. (2018) Pressure pulsations in high head Francis turbines. Kathmandu University Current Research in Hydraulic Turbines , Kathmandu 2018-03-20 - 2018-03-20
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LectureSilva, Ana T.; Dahlhaug, Ole Gunnar. (2018) Fish and turbines – same, same but different?. NINA Fagdag for Forskere i HydroCen , NINA-huset 2018-10-24 - 2018-10-24
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LectureDahlhaug, Ole Gunnar. (2018) Hydropower’s unique flexibility. Kathmandu University Current Research in Hydraulic Turbines (CRHT-VIII-2018) , Kathmandu University 2018-03-20 - 2018-03-20
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Academic lectureAgnalt, Einar; Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2018) Onboard measurements of pressure pulsations in a high head Francis model runner. Turbomachinery Society of Japan 29th Symposium on Hydraulic Machinery and Systems , Doshisha University, Kyoto 2018-09-16 - 2018-09-21
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Academic lectureBergan, Carl Werdelin; Tengs, Erik Os; Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2018) An Experimental Investigation of the Hydroynamic Damping of Vibrating Hydrofoils. Turbomachinery Society of Japan 29th Symposium on Hydraulic Machinery and Systems , Doshisha University, Kyoto 2018-09-16 - 2018-09-21
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Academic lectureSolemslie, Bjørn Winther; Trivedi, Chirag; Agnalt, Einar; Dahlhaug, Ole Gunnar. (2018) Pressure Pulsations and Fatigue Loads in High Head Francis Turbines. Turbomachinery Society of Japan 29th Symposium on Hydraulic Machinery and Systems , Doshisha University, Kyoto 2018-09-16 - 2018-09-21
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Academic lectureIliev, Igor; Trivedi, Chirag; Agnalt, Einar; Dahlhaug, Ole Gunnar. (2018) Variable-speed operation and pressure pulsations in a Francis turbine and a pump-turbine. IAHR Symposium on Hydraulic Machinery and Systems, IAHR-2018 , Kyoto 2018-09-16 - 2018-09-21
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Academic lectureTrivedi, Chirag; Agnalt, Einar; Dahlhaug, Ole Gunnar; Brandåstrø, Bård Aslak. (2018) Signature analysis of characteristic frequencies in a Francis turbine. IAHR Symposium on Hydraulic Machinery and Systems, IAHR-2018 , Kyoto 2018-09-16 - 2018-09-21
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Academic lectureVolent, Eirik; Dahlhaug, Ole Gunnar; Tengs, Erik Os. (2018) Study of flow structure in erosion prone complex geometries. IAHR 29th IAHR Symposium on Hydraulic Machinery and Systems , Kyoto 2018-09-16 - 2018-09-21
2017
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LectureNysveen, Arne; Dahlhaug, Ole Gunnar. (2017) Bruk av variabelt turtall i norske kraftverk. Elektrisk utrustning og nettintegrasjon Turbinteknologi . Energi Norge Produksjonsteknisk konferanse (PTK 2017) , Stavanger 2017-03-06 - 2017-03-08
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Academic lectureLeonhardsen, Sondre; Trivedi, Chirag; Dahlhaug, Ole Gunnar. (2017) Numerical Investigation of Flow Field subject to Vibrating structure. Kathmandu University International Symposium on Current Research in Hydraulic Turbines , Dhulikhel, Nepal 2017-04-04 - 2017-04-04
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Popular scientific lectureSolemslie, Bjørn Winther; Dahlhaug, Ole Gunnar; Dagsvik, Helene Njølstad. (2017) Pågående forskningsaktivitet ved Vannkraftlaboratoriet. Peltonturbiner, Pumpeturbiner, Francisturbiner og andre eksterne oppdrag. Bransjebesøk på Vannkraftlaboratoriet 2017-12-08 - 2017-12-08
2016
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Academic lectureBergan, Carl Werdelin; Goyal, Rahul; Dahlhaug, Ole Gunnar; Cervantes, Michel. (2016) Steady velocity and pressure measurements of a high-head Francis model turbine. 28th IAHR symposium on Hydraulic Machinery and Systems , Grenoble 2016-07-04 - 2016-07-08
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Academic lectureDahlhaug, Ole Gunnar. (2016) Development of global hydropower, the Norwegian perspective. Kathmandu University 6th International symposium on Current Research in Hydraulic Turbines , Dhulikhel, Nepal 2016-03-14 - 2016-03-14
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Academic lectureSolemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2016) A reference Pelton turbine - High speed visualization in the rotating frame. 28th IAHR symposium on Hydraulic Machinery and Systems , Grenoble 2016-07-04 - 2016-07-08
2014
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Academic lectureSundström, Joel; Amiri, Kaveh; Bergan, Carl Werdelin; Cervantes, Michel; Dahlhaug, Ole Gunnar. (2014) LDA measurements in the Francis-99 draft tube cone. IAHR 27th IAHR Symposium on Hydraulic Machinery and Systems, IAHR , Montreal 2014-09-22 - 2014-09-26
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Academic lectureBergan, Carl Werdelin; Amiri, Kaveh; Cervantes, Michel; Dahlhaug, Ole Gunnar. (2014) Preliminary Measurements of the Radial Velocity in the Francis-99 Draft Tube Cone. NTNU Francis-99 Workshop 1: steady operation of Francis turbines , Trondheim 2014-12-15 - 2014-12-16
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Academic lectureSolemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2014) A reference pelton turbine - design and efficiency measurements. Organizing Committee of the 27th IAHR Symposium 27th IAHR Symposium on Hydraulic Machinery and Systems , Montreal 2014-09-22 - 2014-09-26
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InterviewBazilchuk, Nancy Reney; Tomasgard, Asgeir; Müller, Daniel Beat; Hertwich, Edgar G.; Dahlhaug, Ole Gunnar; Quale, Sverre. (2014) Her er klimaforskernes råd. forskning.no forskning.no [Internet] 2014-04-13
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InterviewTomasgard, Asgeir; Müller, Daniel Beat; Hertwich, Edgar G.; Dahlhaug, Ole Gunnar; Quale, Sverre; Undeland, Tore Marvin. (2014) Her er klimaforskernes råd. Gemini.no Gemini.no [Internet] 2014-04-13
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InterviewSnøfugl, Ingvil; Storli, Pål-Tore Selbo; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar; Lia, Leif. (2014) Nytt vannkraftsenter skal lokke ungdom vekk fra oljebransjen. Teknisk Ukeblad nettavis Teknisk Ukeblad nettavis [Internet] 2014-02-10
2012
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Academic lectureSolemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2012) A Reference Pelton Turbine Design. Technoport Technoport 2012 - Sharing Possibilities - RERC , Trondheim 2012-04-16 - 2012-04-18
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Academic lectureEltvik, Mette; Thapa, Biraj Singh; Dahlhaug, Ole Gunnar; Gjøsæter, Kristine. (2012) Numerical analysis of effect of design parameters and sediment erosion on a Francis runner. Hydropower & Dam 4th International Conference on Water Resources and Renewable Energy Development in Asia , Chiang Mai 2012-04-26 - 2012-04-27
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Academic lectureThapa, Biraj Singh; Thapa, Bhola; Eltvik, Mette; Dahlhaug, Ole Gunnar; Gjøsæter, Kristine. (2012) Optimizing runner blade profile of Francis turbine to minimize sediment erosion. IAHR 26th IAHR Symposium on Hydraulic Machinery and Systems , Beijing 2012-08-19 - 2012-08-23
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Academic lectureThapa, Biraj Singh; Dahlhaug, Ole Gunnar; Eltvik, Mette; Thapa, Bhola; Gjøsæter, Kristine. (2012) Design Optimization of Francis Runners for Sediment Handling. Hydropower & Dam 4th International Conference on Water Resources and Renewable Energy Development in Asia , Chiang Mai 2012-04-26 - 2012-04-27
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Academic lectureThapa, Biraj Singh; Eltvik, Mette; Dahlhaug, Ole Gunnar; Thapa, Bhola; Gjøsæter, Kristine. (2012) Effects of turbine design parameters on sediment erosion of Francis runner. ICDRET 2nd International Conference on the Developments in Renewable Energy Technology , Dhaka 2012-01-05 - 2012-01-07
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LectureThapa, Bhola; Thapa, Biraj Singh; Dahlhaug, Ole Gunnar; Shrestha, Krishna Prasad. (2012) Accelerated testing for resistance to sand erosion in hydraulic turbines. Hydropower & Dams Fourth International Conference on Water Resources and Renewable Energy Development in Asia , Chiang Mai 2012-03-26 - 2012-03-27
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Academic lectureSolemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2012) A Reference Pelton Turbine Design. Department of Thermal Engineering, Tsinghua University 26th IAHR Symposium on Hydraulic Machinery and Systems , Beijing 2012-10-19 - 2012-10-23
2011
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Academic lectureFrøyd, Lars; Dahlhaug, Ole Gunnar; Hansen, Morten Hartvig. (2011) Prediction of flutter speed on a 10 MW wind turbine. European Wind Energy Association EWEA Offshore 2011 , Amsterdam 2011-11-29 - 2011-12-01
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Academic lectureEltvik, Mette; Dahlhaug, Ole Gunnar; Neopane, Hari Prasad. (2011) Prediction of Sediment Erosion in Francis Turbines. IAHR Cavitation and Dynamic problems in Hydraulic Machinery and Systems , Beograd 2011-10-26 - 2011-10-28
2010
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Academic lectureRamdal, Jørgen; Jonsson, Pontus P.; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar; Cervantes, Michel. (2010) Uncertainties for Pressure-Time Efficiency Measurements. Indian Institute of Technology International Group for Hydraulic Efficiency Measurements , Roorkee 2010-10-21 - 2010-10-23
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Academic lectureJonsson, Pontus P.; Ramdal, Jørgen; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar; Cervantes, Michel. (2010) The Pressure-Time measurements project at LTU and NTNU. Indian Institute of Technology / IGHEM International Group for Hydraulic Efficiency Measurements , Roorkee 2010-10-21 - 2010-10-23
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Academic lectureKobro, Einar; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar. (2010) Data Analysis From Onboard Francis Model Runner Pressure Measurements. University of Tokyo, Japan The 13th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery , Honolulu, Hawaii 2010-04-04 - 2010-04-09
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Academic lectureNeopane, Hari Prasad; Dahlhaug, Ole Gunnar; Eltvik, Mette. (2010) Numerical prediction of particle shape factor effect on sediment erosion in Francis turbine blades. International Centre for Hydropower, ICH Hydropower’10, 6th International Conference on Hydropower , Tromsø 2010-02-01 - 2010-02-03
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Academic lectureDahlhaug, Ole Gunnar; Skåre, Per Egil. (2010) Sediment resistive Francis runner at Cahua Power Plant. International Centre for Hydropower, ICH Hydropower’10, 6th International Conference on Hydropower , Trømsø 2010-02-01 - 2010-02-03
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Academic lectureThapa, Bhola; Dahlhaug, Ole Gunnar; Shrestha, Raju. (2010) Turbine laboratory at Kathmandu University for development of alternative energy in Nepal. International Centre for Hydropower, ICH Hydropower’10, 6th International Conference on Hydropower , Tromsø 2010-02-01 - 2010-02-03
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Academic lectureRamdal, Jørgen; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar. (2010) UNCERTAINTY AND PERFORMANCE OF A LOW HEAD THERMODYNAMIC MEASUREMENT. Indian Institute of Technology / IGHEM International Group for Hydraulic Efficiency Measurements , Roorkee 2010-10-21 - 2010-10-23
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Popular scientific lectureDahlhaug, Ole Gunnar. (2010) Potential top-mass reduction by hydraulic transmission. SINTEF Wind Power R&D seminar , Trondheim 2010-01-21 - 2010-01-22
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Popular scientific lectureDahlhaug, Ole Gunnar; Fjærvold, Kjell Tore. (2010) FoU ved Vannkraftlaboratoriet. Energi Norge Produksjonsteknisk Konferanse 2010 , Gardemoen 2010-03-08 - 2010-03-10
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Popular scientific lectureDahlhaug, Ole Gunnar. (2010) Development of a horizontal axis tidal turbine. Uppsala Universitet Innledning før forsvar av Lisensiatgrad for Emilia Lalander , Uppsala 2010-01-29 - 2010-01-29
2009
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Academic lectureDahlhaug, Ole Gunnar. (2009) Development of a sediment resistive Francis runner. The International Journal on Hydropower & Dams Hydro 2009 , Lyon 2009-10-26 - 2009-10-28
2008
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Academic lectureKobro, Einar; Dahlhaug, Ole Gunnar; Nielsen, Torbjørn Kristian. (2008) Onboard Pressure Measurement In Francis Model Runner Blades. IAHR 24th IAHR Symposium on Hydraulic Machinery and Systems , Foz do Iguazzu 2008-10-27 - 2008-10-31
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Academic lectureRamdal, Jørgen; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar. (2008) Decreasing uncertainty in thermodynamic measurement. IAHR IAHR Symposium on Hydraulic Machinery and systems , Foz do Iguassu, Brazil 2008-10-27 - 2008-10-31
2007
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Academic lectureNeopane, Hari Prasad; Dahlhaug, Ole Gunnar; Thapa, Bhola. (2007) Alternative design of a francis turbine for sand laden waters. International Centre for Hydropower, ICH International Conference on small hydropower , Kandy 2007-10-22 - 2007-10-24
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Academic lectureThapa, Bhola; Chaudhary, Pralhad; Dahlhaug, Ole Gunnar; Upadhyay, Piyusch. (2007) Study of combined effect of sand erosion and cavitation in hydraulic turbines. International Centre for Hydropower, ICH International conference on small hydropower , Kandy 2007-10-22 - 2007-10-24
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Popular scientific lectureDahlhaug, Ole Gunnar. (2007) Hydraulisk Gir til Vindturbiner. SINTEF Energiforskning Vindkraft FoU Seminar - Vinn eller Forsvinn! , Trondheim 2007-01-25 - 2007-01-26
2006
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Academic lectureAntonsen, Øyvind; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar. (2006) Experimental and Theoretical Investigations of the Flow Field at the Inlet of a Francis Runner. HCI-Publication HydroVision 2006 , Portland, Oregon 2006-08-01 - 2006-08-04
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Academic lectureKjeldsen, Morten; Olsen, Knut Magne; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar. (2006) Water injection for the mitigation of draft tube pressure pulsations. IAHR IAHR Int. Meeting on Cavitation and Dynamic Problems , Barcelona 2006-06-28 - 2006-06-30
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Academic lectureAntonsen, Øyvind; Nielsen, Torbjørn Kristian; Dahlhaug, Ole Gunnar; Billdal, Jan Tore. (2006) Pressure pulses in Francis Turbines vs. guide vane design. The Int. Association of Hydraulic Engineering and Research 23rd IAHR Symposium on Hydraulic Machinery and Systems , Yokohama 2006-10-17 - 2006-10-21
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Academic lectureHulaas, Harald; Dahlhaug, Ole Gunnar. (2006) Uncertainty analysis of Pressure-Time measurement. The International Group for Hydraulic Efficiency Measurement IGHEM 2006 , Portland, Oregon 2006-07-30 - 2006-08-01
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Academic lectureDahlhaug, Ole Gunnar; Nielsen, Torbjørn Kristian; Brandåstrø, Bård Aslak; Francke, Håkon Hjort; Hulaas, Harald. (2006) Comparison between pressure-time and thermodynamic efficiency measurements on a low head turbine. The International Group for Hydraulic Efficiency Measurement IGHEM 2006 , Portland, Oregon 2006-07-30 - 2006-08-01
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Academic lectureDahlhaug, Ole Gunnar; Kobro, Einar; Skåre, Per Egil; Nielsen, Torbjørn Kristian; Thapa, Bhola. (2006) Efficiency loss in Pelton buckets due to sediment erosion. The Int. Association of Hydraulic Engineering and Research 23rd IAHR Symposium on Hydraulic Machinery and Systems , Yokohama 2006-10-17 - 2006-10-21
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Academic lectureBajracharya, Tri ratna; Joshi, C.B.; Thapa, Bhola; Saini, R.P.; Dahlhaug, Ole Gunnar. (2006) Correlation study on sand led erosion of buckets and efficiency losses in high head power plants. Institute of Engineering, Tribhuvan University Renewable energy technology for rural development , Kathmandu 2006-10-12 - 2006-10-14
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Academic lectureBajracharya, Tri ratna; Joshi, C.B.; Dahlhaug, Ole Gunnar; Saini, R.P.. (2006) Analysis of sand particles led damage of Pelton Turbines in Nepal. Institute for Waterpower and pumps, University of Vienna 14th Seminar on Hydropower Plants , Wien 2006-10-10 - 2006-10-12
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Academic lectureNielsen, Torbjørn Kristian; Røyrvik, Johnny; Ramdal, Jørgen; Dahlhaug, Ole Gunnar. (2006) Propeller turbine with two contra-rotating impellers and built in generators. IAHR 23th IAHR Symposium , Yokohama 2006-10-17 - 2006-10-20
2005
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Academic lectureDahlhaug, Ole Gunnar; Thapa, Bhola; Shrestha, Raju. (2005) Relation between surface roughness and erosion of hydraulic turbine components. India Hydro 2005 , New Dehli 2005-02-19 - 2005-02-21
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Academic lectureDahlhaug, Ole Gunnar; Thapa, Bhola; Nielsen, Torbjørn Kristian; Ruud, Jonas Jessen. (2005) Thermodynamic efficiency measurement of Khimti Hydropower Plant and assessment of sand erosion on turbine components. International Center for Hydropower, ICH Hydropwer �05, The Backbone of Sustainable Energy Supply. , Stavanger 2005-05-23 - 2005-05-25
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Academic lectureDahlhaug, Ole Gunnar; Thapa, Bhola; Shrestha, Raju. (2005) Investigation of erosion resistance of turbine steels and coating materials. 6th International Conference on Development of Hydropower, a Major Source of Renewable Energy , Kathmandu 2005-05-23 - 2005-05-25
2004
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Academic lectureDahlhaug, Ole Gunnar; Thapa, Bhola. (2004) Sand erosion in a Francis turbine. A case study from Jhimruk power plant, Nepal. IAHR 22nd IAHR symposium on Hydraulic Machinery and Systems , Stockholm 2004-06-29 - 2004-07-02
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Academic lectureDahlhaug, Ole Gunnar; Thapa, Bhola; Shrestha, Raju; Kaphle, Krishna. (2004) Sediments of Nepalese rivers with respect to sand erosion in hydraulic turbines. Internationlal symposium on river sedimentation Vitenskapelig konferanse , Yichang, Hubei province 2004-10-18 - 2004-10-21
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Academic lectureDahlhaug, Ole Gunnar; Thapa, Bhola; Shrestha, Raju. (2004) Sediments of Nepalese Rivers with respect to sand erosion in hydraulic turbine. Ninth International Symposium on River Sedimentation (9th ISRS) , Yichang, Hubei Province 2004-10-18 - 2004-10-21
2003
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Academic lectureDahlhaug, Ole Gunnar; Thapa, Bhola. (2003) Sand erosion in hydraulic turbines and wear rate measurement of turbine materials. ICH Hydro Africa 2003 , Arusha 2003-11-17 - 2003-11-19
2002
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Academic lectureBrekke, Hermod; Dahlhaug, Ole Gunnar. (2002) Development of small simplified Francis Turbines. HydroVision 2002 , Portland, Oregon USA 2002-08-02 -
2001
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Academic lectureDahlhaug, Ole Gunnar; Skåre, Per Egil. (2001) CFD-calculation of a draft tube flow. Proceedings of Turbine-99 - W2 The second ERCOFTAC Workshop on Draft Tube Flow , Älvkarleby, Sweden 2001-06-20 -
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Academic lectureBrekke, Hermod; Dahlhaug, Ole Gunnar. (2001) Design of Mini and Micro Turbines Versus Large Turbines. Hydro 2001 , Riva del Garda, Italia 2001-09-29 -
2000
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Academic lectureOkulov, Valery L.; Dahlhaug, Ole Gunnar; Andersson, Helge Ingolf. (2000) Changes in the axial symmetry of the velocity field and in the helical symmetry of the vorticity field downstream of a bend and a diffuser. 4th EUROMECH European Fluid Mechanics Conference , Eindhoven, 19-23 November 2000
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PosterDahlhaug, Ole Gunnar; Brekke, Hermod. (2000) Technical and political issues for Small Hydro in Norway. HydroVision 2000, Conference Proceedings, August 8-11 2000, , Charlotte, North Carolina, USA 2000-08-11 -
1999
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Academic lectureDahlhaug, Ole Gunnar; Skåre, Per Egil; Kjeldsen, Morten. (1999) CFD CALCULATION OF A DRAFT TUBE FLOW. Turbine -99 , Pojus, Sweden 1999-06-23 -
1998
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Academic lectureDahlhaug, Ole Gunnar; Brekke, Hermod. (1998) A discussion on the influence of turbulent kinetic energy on hydraulic efficiency measurement. International Group for Hydraulic Efficiency Measurements, IGHEM, RENO '98 , Reno, Nevada, USA 1998-07-28 -
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Academic lectureBrekke, Hermod; Dahlhaug, Ole Gunnar. (1998) Loss analysis and measuring uncertainties of the thermodynamic method for different turbinde types. IGHEM 98, USA , Reno, USA
1996
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Academic lectureDahlhaug, Ole Gunnar; Brekke, Hermod. (1996) Energy distribution at the draft tube outlet. IGHEM Seminar - Montreal '96 , Montreal, Canada 1996-06-28 -
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Academic lectureDahlhaug, Ole Gunnar. (1996) SWIRL FLOW IN CONICAL DIFFUSERS. XVIII IAHR Sumposium on Hydraulic Machinery and Cavitation , Valencia, Spain 1996-09-15 -