Ole Gunnar Dahlhaug
Background and activities
Courses
- TEP4550 - Energy and Process Engineering, Specialization Project
- EP8411 - Hydropower Plants; Selected Interdiciplinary Topics
- TEP4195 - Turbo Machinery
- EP8407 - High Pressure Hydraulic Machinery
- BA8510 - Head Loss Analyses in Hydro Power Tunnels. Hydraulics, Rock Blasting Technique and Economy.
- TEP4175 - Design of a Wind Turbine
- SKOLE6622 - Technology and Research - Module III Wind Turbines and Conflicts of Interest
- EP8406 - Frequency and Power Governing of Hydro Power Plants
- TEP4200 - Mechanical Design, Operation and Maintenance of Hydraulic Machinery
Scientific, academic and artistic work
A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database
Journal publications
- (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.
- (2021) Leakage Vortex Progression through a Guide Vane’s Clearance Gap and the Resulting Pressure Fluctuation in a Francis Turbine. Energies. vol. 14 (14).
- (2021) Investigation of sediment erosion phenomenon for different blade angle distribution in Francis runner. IOP Conference Series: Earth and Environmental Science (EES). vol. 174.
- (2021) Constraints of Parametrically Defined Guide Vanes for a High-Head Francis Turbine. Energies. vol. 14 (9).
- (2021) Current research in hydraulic turbines against sediment erosion: International partnership and collaborations. IOP Conference Series: Earth and Environmental Science (EES). vol. 627.
- (2020) The Rotor-Stator Interaction Onboard a Low Specific speed Francis Turbine. International Journal of Fluid Machinery and Systems. vol. 13 (2).
- (2020) Review on numerical techniques applied in impulse hydro turbines. Renewable Energy. vol. 159.
- (2020) Optimization of Francis Turbines for Variable Speed Operation Using Surrogate Modeling Approach. Journal of Fluids Engineering - Trancactions of The ASME. vol. 142 (10).
- (2020) Signature Investigation of Typical Faults on Francis Turbines. Journal of Physics: Conference Series (JPCS). vol. 1608.
- (2020) Numerical study of a Francis turbine over wide operating range: Some practical aspects of verification. Sustainability. vol. 10 (12).
- (2020) Investigation of a Francis turbine during speed variation: Inception of cavitation. Renewable Energy. vol. 166 (4).
- (2020) Experimental Study of Flow Structure in Converging–Diverging Axisymmetric Geometry. Journal of Fluids Engineering - Trancactions of The ASME. vol. 142 (4).
- (2019) Numerical study of sediment erosion in guide vanes of a high head Francis turbine. Journal of Physics: Conference Series (JPCS). vol. 1266 (012004).
- (2019) On the Rotor Stator Interaction Effects of Low Specific Speed Francis Turbines. International Journal of Rotating Machinery. vol. 2019.
- (2019) Onboard measurements of pressure pulsations in a high head Francis model runner. IOP Conference Series: Earth and Environmental Science (EES). vol. 240 (2).
- (2019) An Experimental Investigation of the Hydroynamic Damping of Vibrating Hydrofoils. IOP Conference Series: Earth and Environmental Science (EES). vol. 240 (6).
- (2019) Damping Measurements on a Multi-Blade Cascade with Multiple Degrees of Freedom: A Francis-99 Test Case. Journal of Physics: Conference Series (JPCS). vol. 1296 (1).
- (2019) Development of a test rig for investigating the flow field around guide vanes of Francis turbines. Flow Measurement and Instrumentation. vol. 70.
- (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). vol. 240 (7).
- (2019) Variable-speed operation and pressure pulsations in a Francis turbine and a pump-turbine. IOP Conference Series: Earth and Environmental Science (EES). vol. 240.