2022

• 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). volum 1079.
  Academic article
• Storli, Pål-Tore Selbo; Trivedi, Chirag. (2022) An Analytical quasi 2D steady-state Francis turbine model using first principles. IOP Conference Series: Earth and Environmental Science (EES). volum 1079 (012006).
  Academic article

2021

• 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. volum 14 (14).
  Academic 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). volum 174.
  Academic article
• Ivarson, Mads Mehus; Trivedi, Chirag; Vereide, Kaspar. (2021) Investigations of Rake and Rib Structures in Sand Traps to Prevent Sediment Transport in Hydropower Plants. Energies. volum 14 (13).
  Academic article
• Quaranta, Emanuele; Trivedi, Chirag. (2021) The state-of-art of design and research for Pelton turbine casing, weight estimation, counterpressure operation and scientific challenges. Heliyon. volum 7 (12).
  Scientific translation/review
• Trivedi, Chirag. (2021) Study of pressure pulsations in a Francis turbine designed for frequent start-stop. Journal of energy resources technology. volum 143 (8).
  Academic article

2020

• 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. volum 142 (10).
  Academic article
• Trivedi, Chirag. (2020) Time-dependent inception of vortex rings in a Francis turbine during load variation: Large eddy simulation and experimental validation. Journal of Hydraulic Research. volum 58 (5).
  Academic article
• Trivedi, Chirag; Iliev, Igor; Dahlhaug, Ole Gunnar. (2020) Numerical study of a Francis turbine over wide operating range: Some practical aspects of verification. Sustainability. volum 10 (12).
  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. volum 166 (4).
  Academic article

2019

• 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). volum 1266 (012004).
  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). volum 240.
  Academic article
• Iliev, Igor; Trivedi, Chirag; Dahlhaug, Ole Gunnar. (2019) Variable-speed operation of Francis turbines: A review of the perspectives and challenges. Renewable & Sustainable Energy Reviews. volum 103.
  Scientific translation/review
• Nordvik, Andreas; Iliev, Igor; Trivedi, Chirag; Dahlhaug, Ole Gunnar. (2019) Numerical prediction of hill charts of Francis turbines. Journal of Physics: Conference Series (JPCS). volum 1266 (1).
  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). volum 240 (2).
  Academic article
• Trivedi, Chirag. (2019) A systematic validation of a Francis turbine under design and off-design loads. Journal of Verification, Validation and Uncertainty Quantification. volum 4 (1).
  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). volum 240 (7).
  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. volum 12 (4).
  Scientific translation/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). volum 1296 (1).
  Academic article

2018

• Baidar, Binaya; Jonathan, Nicolle; Trivedi, Chirag; Cervantes, Michel. (2018) Numerical study of the Winter-Kennedy method - a sensitivity analysis. Journal of Fluids Engineering - Trancactions of The ASME. volum 140 (5).
  Academic article
• Goyal, Rahul; Trivedi, Chirag; Gandhi, BK; Cervantes, Michel. (2018) Numerical Simulation and Validation of a High Head Model Francis Turbine at Part Load Operating Condition. Journal of the Institution of Engineers (India) Series C. volum 99 (5).
  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). volum 1042 (1).
  Academic article
• Tabatabaei, Narges; Cervantes, Michel; Trivedi, Chirag. (2018) Investigation of the Numerical Methodology of a Model Wind Turbine Simulation. Journal of Applied Fluid Mechanics. volum 11 (3).
  Academic article
• Tabatabaei, Narges; Cervantes, Michel; Trivedi, Chirag. (2018) Time-Dependent Effects of Glaze Ice on the Aerodynamic Characteristics of an Airfoil. International Journal of Rotating Machinery. volum 2018.
  Academic article
• Trivedi, Chirag. (2018) Compressible large eddy simulation of a Francis turbine during speed-no-load: Rotor stator interaction and inception of a vortical flow. Journal of Engineering For Gas Turbines and Power. volum 140 (11).
  Academic article
• Trivedi, Chirag. (2018) Investigations of Compressible Turbulent Flow in a High-Head Francis Turbine. Journal of Fluids Engineering - Trancactions of The ASME. volum 140 (1).
  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. volum 144 (6).
  Academic article
• Trivedi, Chirag; Agnalt, Einar; Dahlhaug, Ole Gunnar. (2018) Experimental study of a Francis turbine under variable-speed and discharge conditions. Renewable Energy. volum 119.
  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. volum 30 (7).
  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. volum 108 (8).
  Academic article

2017

• 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). volum 782 (1).
  Editorial
• 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. volum 10 (4).
  Academic article
• Trivedi, Chirag. (2017) A review on fluid structure interaction in hydraulic turbines: A focus on hydrodynamic damping. Engineering Failure Analysis. volum 77.
  Scientific translation/review
• Trivedi, Chirag; Agnalt, Einar; Dahlhaug, Ole Gunnar. (2017) Investigations of unsteady pressure loading in a Francis turbine during variable-speed operation. Renewable Energy. volum 113.
  Academic article
• Trivedi, Chirag; Cervantes, Michel. (2017) Fluid-structure interactions in Francis turbines: A perspective review. Renewable & Sustainable Energy Reviews. volum 68.
  Scientific translation/review
• 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. volum 9 (6).
  Academic article

2016

• 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). volum 41 (11).
  Academic article
• Tabatabaei, N.; Cervantes, Michel; Trivedi, Chirag; Aidanpää, Jan-Olof. (2016) Numerical Study of Aerodynamic Characteristics of a Symmetric NACA Section with Simulated Ice Shapes. Journal of Physics: Conference Series (JPCS). volum 753.
  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. volum 28 (4).
  Academic article
• Trivedi, Chirag; Cervantes, Michel. (2016) State of the art in numerical simulation of high head Francis turbines. Renewable Energy and Environmental Sustainability. volum 1.
  Academic 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. volum 9 (2).
  Scientific translation/review
• Trivedi, Chirag; Cervantes, Michel; Dahlhaug, Ole Gunnar. (2016) Numerical techniques applied to hydraulic turbines: a perspective review. Applied Mechanics Review. volum 68:010802 (1).
  Scientific translation/review
• Trivedi, Chirag; Cervantes, Michel; Gandhi, BK. (2016) Numerical investigation and validation of a Francis turbine at runaway operating conditions. Energies. volum 9 (3).
  Academic article

2015

• 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). volum 579.
  Editorial
• 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. volum 137 (6).
  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. volum 83.
  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. volum 52 (2).
  Academic 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. volum 136 (12).
  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. volum 26 (2).
  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. volum 52 (2).
  Academic article

2013

• 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. volum 135 (11).
  Academic article
• Trivedi, Chirag; Gandhi, BK; Cervantes, Michel. (2013) Effect of transients on Francis turbine runner life: a review. Journal of Hydraulic Research. volum 51 (2).
  Scientific translation/review