2025

• Kuhn, Wolf Ludwig; Sabil, Sahra Naima; Al-Khayat, Ahmed Omar; Dahlhaug, Ole Gunnar. (2025) DeGas project report. Summary of experimental and numerical studies on mitigating total dissolved gas supersaturation downstream hydropower plants using technical methods. Norsk institutt for naturforskning (NINA) Norsk institutt for naturforskning (NINA)
  Rapport
• Belsnes, Michael Martin; Dahlhaug, Ole Gunnar; Doujak, Eduard; Mayo-Garcia, Rafael; Köhler, Berit; Sciullo, Alessandro. (2025) Revamping hydropower research 24/09/2024 - 24/09/2024 Brussels, Belgium. IOP Publishing IOP Publishing
  Vitenskapelig antologi/Konferanseserie
• Kayastha, Atmaram; Neopane, Hari Prasad; Dahlhaug, Ole Gunnar. (2025) Experimental Approach to Evaluate Effectiveness of Vortex Generators on Francis Turbine Runner. Energies
  Vitenskapelig artikkel
• Belsnes, Michael Martin; Dahlhaug, Ole Gunnar; Doujak, Eduard; Mayo-Garcia, Rafael; Köhler, Berit; Sciullo, Alessandro. (2025) Preface for the "Revamping hydropower research” publication. IOP Conference Series: Earth and Environmental Science (EES)
  Leder
• Karna, Aaditya; Chitrakar, Sailesh; Neopane, Hari Prasad; Dahlhaug, Ole Gunnar. (2025) A review of condition monitoring in Francis turbines for predictive maintenance. Journal of Vibration and Control
  Vitenskapelig oversiktsartikkel/review
• Kuhn, Wolf Ludwig; Hihn, Jean-Yves; Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2025) Comparing and combining methods that enhance liquid–gas mass transfer in a batch reactor: Ultrasonic degassing, aeration by gas bubbling, and liquid agitation. Ultrasonics sonochemistry
  Vitenskapelig artikkel
• Kuhn, Wolf Ludwig; Solemslie, Bjørn Winther; Hihn, Jean-Yves; Dahlhaug, Ole Gunnar. (2025) Methods to prevent or mitigate total dissolved gas supersaturation in the waterways downstream hydropower plants. IOP Conference Series: Earth and Environmental Science (EES)
  Vitenskapelig artikkel
• Zhao, Zilong; Qian, Zhongdong; Dahlhaug, Ole Gunnar; Guo, Zhiwei. (2025) Effect of leakage flow on sediment erosion in guide vane region. International Journal of Mechanical Sciences
  Vitenskapelig artikkel

2024

• Kayastha, Atmaram; Neopane, Hari Prasad; Dahlhaug, Ole Gunnar. (2024) A numerical study on the effect of spanwise installation of vortex generators on Francis runner blades. IOP Conference Series: Earth and Environmental Science (EES)
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Ochoa, Jim Furcio Abregu; 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel

2023

• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• 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
  Vitenskapelig artikkel
• 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. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• 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)
  Vitenskapelig artikkel
• Kverno, Johannes Opedal; Dahlhaug, Ole Gunnar; Storli, Pål-Tore Selbo; Iliev, Igor; Solemslie, Bjørn Winther. (2023) Flexible operation of Francis turbines. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• 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. Norwegian University of Science and Technology Norwegian University of Science and Technology
  Doktorgradsavhandling

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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig oversiktsartikkel/review
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel

2021

• Dahlhaug, Ole Gunnar; Bakken, Tor Haakon; Hultgren, Liv Randi; Bergmann-Paulsen, Jonas. (2021) Norge må bygge ut mer vannkraft.
  Kronikk
• 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
  Vitenskapelig artikkel
• Dahlhaug, Ole Gunnar; Ranum, Krokstad Jørgen. (2021) Vind- og vannkraften kan gjøre Norge 100 prosent fornybar.
  Kronikk
• 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
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel

2020

• Chitrakar, Sailesh; Solemslie, Bjørn Winther; Neopane, Hari Prasad; Dahlhaug, Ole Gunnar. (2020) Review on numerical techniques applied in impulse hydro turbines. Renewable Energy
  Vitenskapelig oversiktsartikkel/review
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Støren, Gine Kirkebøen; Dahlhaug, Ole Gunnar; Solemslie, Bjørn Winther. (2020) Signature Investigation of Typical Faults on Francis Turbines. Journal of Physics: Conference Series (JPCS)
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Vereide, Kaspar Vatland; Mo, Birger; Forseth, Torbjørn; Lia, Leif; Nysveen, Arne; Dahlhaug, Ole Gunnar. (2020) AlternaFuture. Norwegian Research Centre for Hydropower Technology TRONDHEIM Norwegian Research Centre for Hydropower Technology TRONDHEIM
  Rapport
• Trivedi, Chirag; Iliev, Igor; Dahlhaug, Ole Gunnar. (2020) Numerical study of a Francis turbine over wide operating range: Some practical aspects of verification. Sustainability
  Vitenskapelig artikkel

2019

• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• Nordvik, Andreas; Iliev, Igor; Trivedi, Chirag; Dahlhaug, Ole Gunnar. (2019) Numerical prediction of hill charts of Francis turbines. Journal of Physics: Conference Series (JPCS)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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
  Vitenskapelig oversiktsartikkel/review
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Agnalt, Einar; Dahlhaug, Ole Gunnar; Storli, Pål-Tore Selbo. (2019) Rotor-Stator Interaction in Low-Specific Speed Francis Turbines. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• 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)
  Vitenskapelig artikkel
• 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
  Vitenskapelig oversiktsartikkel/review
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel

2018

• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• Siemonsmeier, Marius; Baumanns, Philipp; Bracht, Niklas van; Schönefeld, Maik; Schönbauer, Andrea; Moser, Albert. (2018) Hydropower Providing Flexibility for a Renewable Energy System: Three European Energy Scenarios. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Rapport
• 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)
  Vitenskapelig artikkel
• Volent, Eirik; Dahlhaug, Ole Gunnar. (2018) Literature review relevant to particle erosion in complex geometries. Journal of Physics: Conference Series (JPCS)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Thapa, Biraj Singh; Dahlhaug, Ole Gunnar; Thapa, Bhola. (2018) Flow measurements around guide vanes of Francis turbine: A PIV approach. Renewable Energy
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Trivedi, Chirag; Agnalt, Einar; Dahlhaug, Ole Gunnar. (2018) Experimental study of a Francis turbine under variable-speed and discharge conditions. Renewable Energy
  Vitenskapelig artikkel

2017

• Trivedi, Chirag; Agnalt, Einar; Dahlhaug, Ole Gunnar. (2017) Investigations of unsteady pressure loading in a Francis turbine during variable-speed operation. Renewable Energy
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Dahlhaug, Ole Gunnar. (2017) Norsk vannkraft kan utnyttes bedre.
  Kronikk
• 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
  Vitenskapelig artikkel
• Thapa, Biraj Singh; Dahlhaug, Ole Gunnar; Thapa, Bhola. (2017) Effects of sediment erosion in guide vanes of Francis turbine. Wear
  Vitenskapelig artikkel
• Gogstad, Peter Joachim; Dahlhaug, Ole Gunnar. (2017) Experimental investigation of air injection in high head Francis turbines. International journal on hydropower and dams
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Leder

2016

• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• Brende, Hege; Dahlhaug, Ole Gunnar; Bruland, Oddbjørn; Helland, Ingeborg Palm. (2016) Vannkraft er det nye blå gullet for Norge.
  Kronikk
• Dahlhaug, Ole Gunnar. (2016) Vannkraftens renessanse.
  Kronikk
• 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
  Vitenskapelig oversiktsartikkel/review
• Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar; Nielsen, Torbjørn Kristian. (2016) Experimental methods and design of a Pelton bucket. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• Thapa, Biraj Singh; Dahlhaug, Ole Gunnar; Nielsen, Torbjørn Kristian; Thapa, Bhola. (2016) Effects of sediment erosion in guide vanes of Francis turbines. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• Trivedi, Chirag; Cervantes, Michel; Dahlhaug, Ole Gunnar. (2016) Numerical techniques applied to hydraulic turbines: a perspective review. Applied Mechanics Review
  Vitenskapelig oversiktsartikkel/review
• 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
  Vitenskapelig oversiktsartikkel/review
• 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)
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Dahlhaug, Ole Gunnar. (2016) Vannkraftens rennessanse.
  Kronikk
• 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)
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel

2015

• Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2015) Studying the effects of jet alignment in Pelton units. International journal on hydropower and dams
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• Trivedi, Chirag; Gandhi, BK; Cervantes, Michel; Dahlhaug, Ole Gunnar. (2015) Experimental investigations of a model Francis turbine during shutdown at synchronous speed. Renewable Energy
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• 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)
  Leder
• 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
  Vitenskapelig artikkel
• Holst, Martin; Dahlhaug, Ole Gunnar; Faudot, Celine. (2015) CFD Analysis of Wave-Induced Loads on Tidal Turbine Blades. IEEE Journal of Oceanic Engineering
  Vitenskapelig artikkel

2014

• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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)
  Vitenskapelig artikkel
• Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2014) A reference pelton turbine - design and efficiency measurements. IOP Conference Series: Earth and Environmental Science (EES)
  Vitenskapelig artikkel
• Dahlhaug, Ole Gunnar. (2014) Nøkkelen til en bedre verden.
  Kronikk
• 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
  Vitenskapelig artikkel

2013

• Eltvik, Mette; Dahlhaug, Ole Gunnar. (2013) Sediment erosion in Francis turbines. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2013:250)
  Doktorgradsavhandling
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel

2012

• Solemslie, Bjørn Winther; Dahlhaug, Ole Gunnar. (2012) A Reference Pelton Turbine Design. IOP Conference Series: Earth and Environmental Science (EES)
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel
• 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, 1503-8181 (2012:241)
  Doktorgradsavhandling
• 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
  Vitenskapelig oversiktsartikkel/review
• Faudot, Celine; Dahlhaug, Ole Gunnar. (2012) Prediction of Wave Loads on Tidal Turbine Blades. Energy Procedia
  Vitenskapelig artikkel
• Thapa, Biraj Singh; Thapa, Bhola; Dahlhaug, Ole Gunnar. (2012) Empirical modelling of sediment erosion in Francis turbines. Energy
  Vitenskapelig artikkel
• Thapa, Biraj Singh; Thapa, Bhola; Dahlhaug, Ole Gunnar. (2012) Current research in hydraulic turbines for handling sediments. Energy
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel

2011

• Neopane, Hari Prasad; Dahlhaug, Ole Gunnar; Cervantes, Michel. (2011) Sediment erosion in hydraulic turbines. Global Journal of researches in engineering
  Vitenskapelig oversiktsartikkel/review
• Frøyd, Lars; Dahlhaug, Ole Gunnar. (2011) Rotor Design for a 10 MW Offshore Wind Turbine.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Faudot, Celine; Dahlhaug, Ole Gunnar. (2011) Tidal Turbine Blades: Design and Dynamic Loads Estimation Using CFD and Blade Element Momentum Theory (OMAE2011-49740).
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Frøyd, Lars; Dahlhaug, Ole Gunnar. (2011) A Conceptual Design Method for Parametric Study of Blades for Offshore Wind Turbines (OMAE2011-49743).
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Ramdal, Jørgen; Dahlhaug, Ole Gunnar. (2011) Efficiency measurements in low head hydro power plants. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2011:168)
  Doktorgradsavhandling

2010

• 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
  Vitenskapelig artikkel
• Neopane, Hari Prasad; Dahlhaug, Ole Gunnar. (2010) Sediment Erosion in Hydro turbines. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2010:104)
  Doktorgradsavhandling

2009

• Thapa, Bhola; Dahlhaug, Ole Gunnar. (2009) Turbine Testing Laboratory and its Role in Hydropower. Hydro Nepal: Journal of Water, Energy and Environment
  Vitenskapelig artikkel

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
  Vitenskapelig artikkel

2007

• Francke, Håkon Hjort; Dahlhaug, Ole Gunnar; Storli, Pål-Tore Selbo; Ramdal, Jørgen; Kobro, Einar. (2007) Saurdal pumpekraftverk - Virkningsgrads- og falltapsmålinger. Vannkraftlabortaoriet Vannkraftlabortaoriet
  Rapport
• 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 Institutt for energi og prosessteknikk, NTNU
  Rapport
• 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 Institutt for energi og prosessteknikk, NTNU
  Rapport

2006

• Skåre, Per Egil; Dahlhaug, Ole Gunnar; Kobro, Einar. (2006) Sandslitasje i Pelton løpehjul. SINTEF Energiforskning AS SINTEF Energiforskning AS
  Rapport
• Skåre, Per Egil; Dahlhaug, Ole Gunnar. (2006) Tapsanalyse og Skalaeffekt. SINTEF Energiforskning AS SINTEF Energiforskning AS
  Rapport
• 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
  Vitenskapelig artikkel

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. Hydro Lab Ltd.
  Rapport

2004

• 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. Hydro Lab Ltd.
  Rapport
• Dahlhaug, Ole Gunnar; Pratik, Pradhan. (2004) Efficiency measurements at Andi Khola Hydropower Plant. Hydro Lab Ltd Hydro Lab Ltd
  Rapport

2003

• Dahlhaug, Ole Gunnar; Brekke, Hermod. (2003) Innovations in Turbine Design and Generator Condition Assesment. Hydro Review Worldwide
  Vitenskapelig artikkel

2002

• Dahlhaug, Ole Gunnar. (2002) Utvikling av tidevannsturbin : prototype på 50 meters dyp i Kvalsundet. Xergi
  Populærvitenskapelig artikkel
• Dahlhaug, Ole Gunnar; Martinsen, Anna Louise. (2002) Nasjonalt kontroll-laboratorium for små turbiner. Xergi
  Populærvitenskapelig artikkel
• Dahlhaug, Ole Gunnar; Brandåstrø, Bård Aslak. (2002) Virkningsgrad- og falltapsmålinger ved Øvre Porsa Kraftverk. Vannkraftlaboratoriet, NTNU Vannkraftlaboratoriet, NTNU
  Rapport
• Dahlhaug, Ole Gunnar; Brandåstrø, Bård Aslak. (2002) Virkningsgrad- og falltapsmåling ved Breivikbotn Kraftverk. NTNU NTNU
  Rapport
• Dahlhaug, Ole Gunnar; Nielsen, Torbjørn Kristian. (2002) Status for mini- og mikrokraftverk i Norge. Vannkraftlaboratoriet, NTNU Vannkraftlaboratoriet, NTNU
  Rapport
• 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
  Vitenskapelig artikkel
• Martinsen, Anna Louise; Dahlhaug, Ole Gunnar. (2002) Miljøtilpasset el-kraftproduksjon ved små vannkraftverk i distrikts-Norge. NTNU, Trondheim, Norge NTNU, Trondheim, Norge
  Rapport

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
  Vitenskapelig artikkel
• 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
  Vitenskapelig artikkel

1998

• Dahlhaug, Ole Gunnar. (1998) Termodynamisk virkningsgradsmåling for lave fallhøyder. SINTEF Energiforskning SINTEF Energiforskning
  Rapport
• Dahlhaug, Ole Gunnar. (1998) A study of swirl flow in draft tubes. NTNU, Trondheim NTNU, Trondheim
  Doktorgradsavhandling

1996

• Dahlhaug, Ole Gunnar; Vekve, Thomas. (1996) LDV-measurements in circular sections. SINTEF Strømningsmaskiner SINTEF Strømningsmaskiner
  Rapport