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Bernd Nennemann
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Journal Articles

Numerical Investigation of the Influence of Cavitation on the Runner Speed at Speed-No-Load and Runaway for a Francis Turbine of Low Specific Speed

Mélissa Fortin, Bernd Nennemann, Sébastien Houde
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2024, 146(6): 061201.
Paper No: FE-23-1328
https://doi.org/10.1115/1.4064183
Published Online: January 24, 2024
View Article titled, Numerical Investigation of the Influence of Cavitation on the Runner Speed at Speed-No-Load and Runaway for a Francis Turbine of Low Specific Speed
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Topics: Blades, Cavitation, Flow (Dynamics), Pressure, Simulation, Stress, Torque, Suction, Francis turbines, Vapor pressure
Journal Articles

Classification of the Hydraulic Behavior Along the No-Load Curve of Francis Turbines

Mélissa Fortin, Bernd Nennemann, Claire Deschênes, Sébastien Houde
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2022, 144(3): 031205.
Paper No: FE-21-1051
https://doi.org/10.1115/1.4051895
Published Online: September 27, 2021
View Article titled, Classification of the Hydraulic Behavior Along the No-Load Curve of Francis Turbines
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Topics: Cavitation, Flow (Dynamics), Francis turbines, Guide vanes, Stress, Turbines
Proceedings Papers

Unsteady Simulation for Francis Turbine During Load Rejection Events

Hossein Hosseinimanesh, Christophe Devals, Bernd Nennemann, Marcelo Reggio, François Guibault
Proc. ASME. FEDSM2016, Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation, V01AT02A001, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7535
https://doi.org/10.1115/FEDSM2016-7535
View Paper titled, Unsteady Simulation for Francis Turbine During Load Rejection Events
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Topics: Francis turbines, Simulation, Stress, Flow (Dynamics), Physics, Computational fluid dynamics, Turbines, Angular momentum, Blades, Chain
Journal Articles

A Numerical Study of Francis Turbine Operation at No-Load Condition

Hossein Hosseinimanesh, Christophe Devals, Bernd Nennemann, Marcelo Reggio, François Guibault
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2017, 139(1): 011104.
Paper No: FE-15-1714
https://doi.org/10.1115/1.4034422
Published Online: November 2, 2016
View Article titled, A Numerical Study of Francis Turbine Operation at No-Load Condition
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Topics: Flow (Dynamics), Simulation, Stress, Pressure, Francis turbines, Blades
Proceedings Papers

Numerical Simulation of Cavitating Flow Around a Hydrofoil

Tan Dung Tran, Bernd Nennemann, Thi Cong Vu, François Guibault
Proc. ASME. FEDSM2014, Volume 2, Fora: Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation; Microfluidics; Multiphase Flows: Work in Progress; Fluid-Particle Interactions in Turbulence, V002T06A014, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21928
https://doi.org/10.1115/FEDSM2014-21928
View Paper titled, Numerical Simulation of Cavitating Flow Around a Hydrofoil
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Topics: Computer simulation, Flow (Dynamics), Hydrofoil, Cavitation, Simulation, Turbulence, Compressibility, Computational fluid dynamics, Eddies (Fluid dynamics), FORTRAN
Journal Articles

Experimental Study and Numerical Simulation of the FLINDT Draft Tube Rotating Vortex

Gabriel Dan Ciocan, Monica Sanda Iliescu, Thi Cong Vu, Bernd Nennemann, François Avellan
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. February 2007, 129(2): 146–158.
https://doi.org/10.1115/1.2409332
Published Online: July 10, 2006
View Article titled, Experimental Study and Numerical Simulation of the FLINDT Draft Tube Rotating Vortex
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Topics: Flow (Dynamics), Pressure, Vortices, Computer simulation, Computational fluid dynamics, Simulation