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Proceedings Papers

Comparison of Axial Water and Air Injections in the Draft Tube of a Francis Turbine for RVR Mitigation

Subodh Khullar, Krishna M. Singh, Michel J. Cervantes, Bhupendra K. Gandhi
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A030, August 10–12, 2021
Paper No: FEDSM2021-65503
DOI: https://doi.org/10.1115/FEDSM2021-65503
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Topics: Francis turbines, Water, Pressure, Underground injection, Flow instability, Computer simulation, Fatigue damage, Flow (Dynamics), Ropes, Stress
Proceedings Papers

Flow Field Investigation in Draft Tube of Francis Turbine at Off-Design Operation Using a Vortex Identification Algorithm

Sandeep Kumar, Subodh Khullar, Bhupendra K. Gandhi
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A013, August 10–12, 2021
Paper No: FEDSM2021-65742
DOI: https://doi.org/10.1115/FEDSM2021-65742
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Topics: Algorithms, Design, Flow (Dynamics), Francis turbines, Ropes, Shear (Mechanics), Vortices
Proceedings Papers

Flow Characterization of an Industrial Size Francis Turbine Operating at Ultra-Low Load – The Effect of Water Injection

Muhannad Altimemy, Justin Caspar, Saif Watheq, Alparslan Oztekin
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A017, August 10–12, 2021
Paper No: FEDSM2021-65559
DOI: https://doi.org/10.1115/FEDSM2021-65559
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Topics: Flow (Dynamics), Fluctuations (Physics), Francis turbines, Stress, Underground injection
Proceedings Papers

Performance of Francis Turbine Operating at Excess Load Condition

Muhannad Altimemy, Justin Caspar, Alparslan Oztekin
Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A033, July 13–15, 2020
Paper No: FEDSM2020-20053
DOI: https://doi.org/10.1115/FEDSM2020-20053
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Topics: Fluctuations (Physics), Francis turbines, Pressure, Stress
Proceedings Papers

Mitigation of Flow-Induced Pressure Fluctuations in a Francis Turbine Using Water Injection

Muhannad Altimemy, Bashar Attiya, Cosan Daskiran, I-Han Liu, Alparslan Oztekin
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A062, July 28–August 1, 2019
Paper No: AJKFluids2019-4867
DOI: https://doi.org/10.1115/AJKFluids2019-4867
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Topics: Flow (Dynamics), Fluctuations (Physics), Francis turbines, Pressure, Underground injection, Stress, Engineering simulation, Simulation, Turbulence, Design
Proceedings Papers

Pressure Oscillations in Piva Hydro Power Plant Draft Tube: Case Studies

Z. Giljen
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT03A014, July 30–August 3, 2017
Paper No: FEDSM2017-69218
DOI: https://doi.org/10.1115/FEDSM2017-69218
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Topics: Oscillations, Power stations, Pressure, Elevations (Drawings), Engineers, Francis turbines, Teams, Turbines, Water
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
Paper No: FEDSM2016-7535
DOI: https://doi.org/10.1115/FEDSM2016-7535
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Topics: Francis turbines, Simulation, Stress, Flow (Dynamics), Physics, Computational fluid dynamics, Turbines, Angular momentum, Blades, Chain
Proceedings Papers

Fluid-Structure Interaction Analysis for Resonance Investigation of Pump-Turbine Runner

Sadao Kurosawa, Kiyoshi Matsumoto, Junpei Miyagi, Lingyan He, Zhengwei Wang
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT12A002, July 26–31, 2015
Paper No: AJKFluids2015-12461
DOI: https://doi.org/10.1115/AJKFluids2015-12461
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Topics: Fluid structure interaction, Pump turbines, Resonance, Stress, Fluids, Turbines, Vibration, Acoustics, Computer simulation, Computers
Proceedings Papers

Development of Shroudless Francis Turbine

Yohei Nakamura, Ryosuke Shima, Hiroki Komatsu, Saki Shiratori, Kazuyoshi Miyagawa
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT02A006, July 26–31, 2015
Paper No: AJKFluids2015-02352
DOI: https://doi.org/10.1115/AJKFluids2015-02352
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Topics: Francis turbines, Flow (Dynamics), Computational fluid dynamics, Design, Guide vanes, Leakage flows, Pressure, Reliability, Shapes, Blades
Proceedings Papers

Studies of the Effect of Vortex-Control Grooves on Pressure Oscillations in a Francis Turbine Draft Tube

Yu An, Luo Xianwu, Ji Bin
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT02A009, July 26–31, 2015
Paper No: AJKFluids2015-02539
DOI: https://doi.org/10.1115/AJKFluids2015-02539
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Topics: Francis turbines, Oscillations, Pressure, Vortices, Hydraulic turbines, Ropes, Stress, Design, Flow (Dynamics), Hydroelectric power stations
Proceedings Papers

Prediction of the Pressure Pulsation in a Draft Tube for a Part Load Condition Using the LES Approach

Olivier Pacot, Chisachi Kato, Yang Guo, Yoshinobu Yamade
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT09A009, July 26–31, 2015
Paper No: AJKFluids2015-09281
DOI: https://doi.org/10.1115/AJKFluids2015-09281
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Topics: Pressure, Stress, Ropes, Vortices, Computation, Cavitation, Drag (Fluid dynamics), Finite element analysis, Flow (Dynamics), Francis turbines
Proceedings Papers

Multiphase Computation of Cavitation Breakdown in Model and Prototype Scale Francis Turbines

Daniel J. Leonard, Jules W. Lindau
Proc. ASME. AJKFluids2015, Volume 2: Fora, V002T05A001, July 26–31, 2015
Paper No: AJKFluids2015-5123
DOI: https://doi.org/10.1115/AJKFluids2015-5123
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Topics: Cavitation, Computation, Engineering prototypes, Francis turbines, Computational fluid dynamics, Vapors, Engineering simulation, Equipment performance, Hydraulic turbines, Machinery
Proceedings Papers

Numerical Simulation of Francis Turbine

Raza A. Saeed
Proc. ASME. FEDSM2014, Volume 1A, Symposia: Advances in Fluids Engineering Education; Turbomachinery Flow Predictions and Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; Droplet-Surface Interactions; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT02A001, August 3–7, 2014
Paper No: FEDSM2014-21024
DOI: https://doi.org/10.1115/FEDSM2014-21024
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Topics: Computer simulation, Francis turbines, Computational fluid dynamics, Blades, Finite element analysis, Fluid dynamics, Simulation, Boundary-value problems, Finite element model, Flow (Dynamics)
Proceedings Papers

Numerical Simulation of Pressure Vibrations in a Francis Turbine Draft Tube With Air Admission

Renfang Huang, An Yu, Xianwu Luo, Bin Ji, Hongyuan Xu
Proc. ASME. FEDSM2014, Volume 1B, Symposia: Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows, V01BT10A027, August 3–7, 2014
Paper No: FEDSM2014-21444
DOI: https://doi.org/10.1115/FEDSM2014-21444
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Topics: Computer simulation, Francis turbines, Pressure, Vibration, Turbines, Stress, Ropes, Vortices, Flow simulation, Hydraulic turbines
Proceedings Papers

Numerical Study on the Flow Characteristics of the Francis Turbine With Various Blade Profiles

J.-H. Jeon, S.-S. Byeon, Y.-J. Kim
Proc. ASME. FEDSM2013, Volume 1B, Symposia: Fluid Machinery; Fluid Power; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Fundamental Issues and Perspectives in Fluid Mechanics, V01BT10A031, July 7–11, 2013
Paper No: FEDSM2013-16451
DOI: https://doi.org/10.1115/FEDSM2013-16451
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Topics: Blades, Flow (Dynamics), Francis turbines, Guide vanes, Hydropower, Kinetic energy, Navier-Stokes equations, Potential energy, Shapes, Turbines
Proceedings Papers

Calculation of Axial Hydraulic Thrust of Francis Turbine

XingYing Ji, Lai Xu, Xiao Liu
Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 381-385, July 8–12, 2012
Paper No: FEDSM2012-72070
DOI: https://doi.org/10.1115/FEDSM2012-72070
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Topics: Francis turbines, Thrust, Turbines, Computer simulation, Suction, Blades, Pressure, Theoretical methods
Proceedings Papers

Identification of Francis Turbine Helical Vortex Rope Excitation by CFD and Resonance Simulation With the Hydraulic System

Se´bastien Alligne´, Christophe Nicolet, Franc¸ois Avellan
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 481-493, July 24–29, 2011
Paper No: AJK2011-06089
DOI: https://doi.org/10.1115/AJK2011-06089
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Topics: Computational fluid dynamics, Excitation, Francis turbines, Hydraulic drive systems, Resonance, Ropes, Simulation, Vortices, Fluctuations (Physics), Cavitation
Proceedings Papers

Numerical Simulation of Unsteady Flows Through a Francis Turbine Runner Using Vortex Methods

Baoshan Zhu, Longbu Wang, Jie Zhai, Shuliang Cao
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 1751-1761, July 24–29, 2011
Paper No: AJK2011-05009
DOI: https://doi.org/10.1115/AJK2011-05009
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Topics: Computer simulation, Francis turbines, Unsteady flow, Vortices, Boundary element methods, Boundary-value problems, Convection, Flow (Dynamics), Hydraulic turbines, Simulation
Proceedings Papers

Hydraulic Disturbance Method to Reduce the Pressure Fluctuation in Francis Turbine Draft Tube

Zhangchao Li, Jinshi Chang, Xingying Ji, Wanjiang Liu, Zhe Xin
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 649-653, July 24–29, 2011
Paper No: AJK2011-22029
DOI: https://doi.org/10.1115/AJK2011-22029
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Topics: Francis turbines, Pressure, Vortices, Flow (Dynamics), Simulation, Ropes, Turbines, Turbulence, Underground injection, Water
Proceedings Papers

Numerical Investigation on Channel Vortex in a Francis Turbine

Maojin Zhang, Shuhong Liu, Yulin Wu, Demin Liu, Lefu Zhang
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 1919-1930, July 24–29, 2011
Paper No: AJK2011-07022
DOI: https://doi.org/10.1115/AJK2011-07022
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Topics: Francis turbines, Vortices, Blades, Flow (Dynamics), Turbines, Vibration, Fluids, Guide vanes, Hydraulic turbines, Internal flow