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François Avellan
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Journal Articles

Evaluation of a Dynamic Transfer Matrix for a Hydraulic Turbine

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Keita Yamamoto, Koichi Yonezawa, Andres Müller, François Avellan, Yoshinobu Tsujimoto
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2020, 142(4): 041204.
Paper No: FE-19-1526
https://doi.org/10.1115/1.4045437
Published Online: January 24, 2020
View Articletitled, Evaluation of a Dynamic Transfer Matrix for a Hydraulic Turbine
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Topics: Cavitation, Flow (Dynamics), Pressure, Stress, Hydraulic turbines, Excitation, Stability, Fluctuations (Physics)
Journal Articles

Physical Mechanism of Interblade Vortex Development at Deep Part Load Operation of a Francis Turbine

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Keita Yamamoto, Andres Müller, Arthur Favrel, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2019, 141(11): 111113.
Paper No: FE-19-1053
https://doi.org/10.1115/1.4043989
Published Online: July 12, 2019
View Articletitled, Physical Mechanism of Interblade Vortex Development at Deep Part Load Operation of a Francis Turbine
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Topics: Blades, Flow (Dynamics), Stress, Vortices, Energy dissipation, Flow separation, Francis turbines, Pressure, Computer simulation, Cavitation
Journal Articles

Optimal Control of Part Load Vortex Rope in Francis Turbines

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Simon Pasche, François Avellan, François Gallaire
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2019, 141(8): 081203.
Paper No: FE-18-1425
https://doi.org/10.1115/1.4042560
Published Online: February 13, 2019
View Articletitled, Optimal Control of Part Load Vortex Rope in Francis Turbines
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Topics: Eigenvalues, Flow (Dynamics), Francis turbines, Optimal control, Ropes, Stress, Vortices, Pressure, Turbulence
eBook Chapter

Air-Water Ring in the Vaneless Gap of a Reversible Pump-Turbine Operating in Condenser Mode

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Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
https://doi.org/10.1115/1.861851_ch9
ISBN: 9780791861851
Open the PDF for Air-Water Ring in the Vaneless Gap of a Reversible Pump-Turbine Operating in Condenser Mode in another window
Topics: Condensers (steam plant), Pump turbines, Water
eBook Chapter

Measurements of Cavitation Compliance in the Draft Tube Cone of a Reduced Scale Francis Turbine Operating at Part Load

Free

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
https://doi.org/10.1115/1.861851_ch133
ISBN: 9780791861851
Open the PDF for Measurements of Cavitation Compliance in the Draft Tube Cone of a Reduced Scale Francis Turbine Operating at Part Load in another window
Topics: Cavitation, Francis turbines, Stress
Journal Articles

On the Efficiency Alteration Mechanisms Due to Cavitation in Kaplan Turbines

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Sebastián Leguizamón, Claire Ségoufin, Phan Hai-Trieu, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2017, 139(6): 061301.
Paper No: FE-15-1811
https://doi.org/10.1115/1.4035928
Published Online: April 5, 2017
View Articletitled, On the Efficiency Alteration Mechanisms Due to Cavitation in Kaplan Turbines
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Topics: Blades, Cavitation, Pressure, Energy dissipation, Kaplan turbines, Turbulence, Flow (Dynamics)
Journal Articles

Part Load Vortex Rope as a Global Unstable Mode

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Simon Pasche, François Avellan, François Gallaire
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2017, 139(5): 051102.
Paper No: FE-16-1160
https://doi.org/10.1115/1.4035640
Published Online: March 16, 2017
View Articletitled, Part Load Vortex Rope as a Global Unstable Mode
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Topics: Flow (Dynamics), Ropes, Stability, Turbulence, Vortices, Stress, Flow simulation
Journal Articles

Large Eddy Simulation of the Rotating Stall in a Pump-Turbine Operated in Pumping Mode at a Part-Load Condition

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Olivier Pacot, Chisachi Kato, Yang Guo, Yoshinobu Yamade, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2016, 138(11): 111102.
Paper No: FE-15-1803
https://doi.org/10.1115/1.4033423
Published Online: July 15, 2016
View Articletitled, Large Eddy Simulation of the Rotating Stall in a Pump-Turbine Operated in Pumping Mode at a Part-Load Condition
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Topics: Computation, Diffusers, Flow (Dynamics), Fluctuations (Physics), Guide vanes, Impellers, Large eddy simulation, Pressure, Pump turbines, Reynolds number
Journal Articles

Measurement of the Self-Oscillating Vortex Rope Dynamics for Hydroacoustic Stability Analysis

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Andres Müller, Keita Yamamoto, Sébastien Alligné, Koichi Yonezawa, Yoshinobu Tsujimoto, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2016, 138(2): 021206.
Paper No: FE-14-1721
https://doi.org/10.1115/1.4031778
Published Online: November 4, 2015
View Articletitled, Measurement of the Self-Oscillating Vortex Rope Dynamics for Hydroacoustic Stability Analysis
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Topics: Pressure, Ropes, Stability, Vortices, Cavitation, Fluctuations (Physics), Flow (Dynamics), Flow visualization, Dynamics (Mechanics), Cavities
Journal Articles

Flow Simulation of Jet Deviation by Rotating Pelton Buckets Using Finite Volume Particle Method

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Christian Vessaz, Ebrahim Jahanbakhsh, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. July 2015, 137(7): 074501.
Paper No: FE-14-1599
https://doi.org/10.1115/1.4029839
Published Online: July 1, 2015
View Articletitled, Flow Simulation of Jet Deviation by Rotating Pelton Buckets Using Finite Volume Particle Method
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Topics: Flow (Dynamics), Particulate matter, Pressure, Simulation, Water, Flow simulation
Journal Articles

The Effects of a Tripped Turbulent Boundary Layer on Vortex Shedding from a Blunt Trailing Edge Hydrofoil

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Philippe Ausoni, Amirreza Zobeiri, François Avellan, Mohamed Farhat
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Fundamental Issues And Canonical Flows
J. Fluids Eng. May 2012, 134(5): 051207.
https://doi.org/10.1115/1.4006700
Published Online: May 22, 2012
View Articletitled, The Effects of a Tripped Turbulent Boundary Layer on Vortex Shedding from a Blunt Trailing Edge Hydrofoil
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Topics: Boundary layers, Fluctuations (Physics), Hydrofoil, Vortex shedding, Vortices, Wakes, Flow (Dynamics), Boundary layer turbulence, Vibration, Turbulence
Journal Articles

Experimental Evidence of Rotating Stall in a Pump-Turbine at Off-Design Conditions in Generating Mode

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Vlad Hasmatuchi, Mohamed Farhat, Steven Roth, Francisco Botero, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2011, 133(5): 051104.
https://doi.org/10.1115/1.4004088
Published Online: June 7, 2011
View Articletitled, Experimental Evidence of Rotating Stall in a Pump-Turbine at Off-Design Conditions in Generating Mode
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Topics: Bubbles, Design, Emission spectroscopy, Flow (Dynamics), Flow separation, Flow visualization, Fluctuations (Physics), Guide vanes, Impellers, Pressure
Proceedings Papers

Advanced Instrumentation for Measuring Fluid-Structure Coupling Phenomena in the Guide Vanes Cascade of a Pump-Turbine Scale Model

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Steven Roth, Vlad Hasmatuchi, Francisco Botero, Mohamed Farhat, Francois Avellan
Proc. ASME. FEDSM2010, ASME 2010 7th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, and Flow-Induced Vibration and Noise: Volume 3, Parts A and B, 585-597, August 1–5, 2010
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM-ICNMM2010-30693
https://doi.org/10.1115/FEDSM-ICNMM2010-30693
View Paper titled, Advanced Instrumentation for Measuring Fluid-Structure Coupling Phenomena in the Guide Vanes Cascade of a Pump-Turbine Scale Model
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Topics: Cascades (Fluid dynamics), Fluids, Guide vanes, Instrumentation, Pump turbines, Excitation, Flow (Dynamics), Impulse (Physics), Laser Doppler vibrometers, Pressure sensors
Proceedings Papers

Experimental Investigation of Flow Instabilities and Rotating Stall in a High-Energy Centrifugal Pump Stage

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Stefan Berten, Philippe Dupont, Laurent Fabre, Maher Kayal, Francois Avellan, Mohamed Farhat
Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 505-513, August 2–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2009-78562
https://doi.org/10.1115/FEDSM2009-78562
View Paper titled, Experimental Investigation of Flow Instabilities and Rotating Stall in a High-Energy Centrifugal Pump Stage
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Topics: Centrifugal pumps, Flow instability, Pressure, Impellers, Fluctuations (Physics), Diffusers, Pumps, Blades, Data acquisition systems, Design
Journal Articles

Analysis and Prevention of Vortex Breakdown in the Simplified Discharge Cone of a Francis Turbine

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Romeo Susan-Resiga, Sebastian Muntean, Vlad Hasmatuchi, Ioan Anton, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2010, 132(5): 051102.
https://doi.org/10.1115/1.4001486
Published Online: April 27, 2010
View Articletitled, Analysis and Prevention of Vortex Breakdown in the Simplified Discharge Cone of a Francis Turbine
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Topics: Diffusers, Flow (Dynamics), Francis turbines, Kinetic energy, Pressure, Swirling flow, Turbines, Turbulence, Vortices, Stress
Journal Articles

Experimental Evidence of Hydroacoustic Pressure Waves in a Francis Turbine Elbow Draft Tube for Low Discharge Conditions

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Jorge Arpe, Christophe Nicolet, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. August 2009, 131(8): 081102.
https://doi.org/10.1115/1.3155944
Published Online: July 8, 2009
View Articletitled, Experimental Evidence of Hydroacoustic Pressure Waves in a Francis Turbine Elbow Draft Tube for Low Discharge Conditions
Open the PDF for Experimental Evidence of Hydroacoustic Pressure Waves in a Francis Turbine Elbow Draft Tube for Low Discharge Conditions in another window
Topics: Fluctuations (Physics), Pressure, Vortices, Waves, Francis turbines, Cavitation
Proceedings Papers

One-Dimensional Analysis of Full Load Draft Tube Surge

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Changkun Chen, Christophe Nicolet, Koichi Yonezawa, Mohamed Farhat, Francois Avellan, Yoshinobu Tsujimoto
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 391-396, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37304
https://doi.org/10.1115/FEDSM2007-37304
View Paper titled, One-Dimensional Analysis of Full Load Draft Tube Surge
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Topics: Stress, Surges, Flow (Dynamics), Pressure, Diffusers, Cavities, Centrifugal force, Hydraulic drive systems, Stability, Swirling flow
Proceedings Papers

Rotor-Stator Interaction Induced Pressure Fluctuations: CFD and Hydroacoustic Simulations in the Stationary Components of a Multistage Centrifugal Pump

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Stefan Berten, Philippe Dupont, Mohamed Farhat, Francois Avellan
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 963-970, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37549
https://doi.org/10.1115/FEDSM2007-37549
View Paper titled, Rotor-Stator Interaction Induced Pressure Fluctuations: CFD and Hydroacoustic Simulations in the Stationary Components of a Multistage Centrifugal Pump
Open the PDF for Rotor-Stator Interaction Induced Pressure Fluctuations: CFD and Hydroacoustic Simulations in the Stationary Components of a Multistage Centrifugal Pump in another window
Topics: Centrifugal pumps, Computational fluid dynamics, Fluctuations (Physics), Pressure, Rotors, Simulation, Stators, Oscillations, Pumps, Acoustics
Proceedings Papers

Unsteady Numerical Simulations of the Flow Related to the Unstable Energy-Discharge Characteristic of a Medium Specific Speed Double Suction Pump

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Olivier Braun, Francois Avellan, Philippe Dupont
Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 971-977, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37550
https://doi.org/10.1115/FEDSM2007-37550
View Paper titled, Unsteady Numerical Simulations of the Flow Related to the Unstable Energy-Discharge Characteristic of a Medium Specific Speed Double Suction Pump
Open the PDF for Unsteady Numerical Simulations of the Flow Related to the Unstable Energy-Discharge Characteristic of a Medium Specific Speed Double Suction Pump in another window
Topics: Computer simulation, Flow (Dynamics), Suction pumps, Impellers, Diffusers, Blades, Design, Centrifugal pumps, Damping, Flow simulation
Journal Articles

One-Dimensional Analysis of Full Load Draft Tube Surge

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Changkun Chen, Christophe Nicolet, Koichi Yonezawa, Mohamed Farhat, Francois Avellan, Yoshinobu Tsujimoto
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2008, 130(4): 041106.
https://doi.org/10.1115/1.2903475
Published Online: April 14, 2008
View Articletitled, One-Dimensional Analysis of Full Load Draft Tube Surge
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Topics: Diffusers, Flow (Dynamics), Stress, Surges, Pressure, Cavities, Hydraulic drive systems, Swirling flow