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Proceedings Papers

Rotor-Stator Interaction and Vortex Rope in the Reversible Pump-Turbine at Off-Design Conditions in Turbine Mode

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Bhushan R. Rode, Arun Kumar
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T03A008, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130493
https://doi.org/10.1115/FEDSM2024-130493
View Paper titled, Rotor-Stator Interaction and Vortex Rope in the Reversible Pump-Turbine at Off-Design Conditions in Turbine Mode
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Topics: Design, Fluctuations (Physics), Pressure, Pump turbines, Ropes, Rotors, Stators, Turbines, Vortices
Proceedings Papers

Numerical Investigation of the Performance Curve Instability of a Centrifugal Pump With Vaned Diffusers

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Andreas Baum, Martin Böhle
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T01A022, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-131065
https://doi.org/10.1115/FEDSM2024-131065
View Paper titled, Numerical Investigation of the Performance Curve Instability of a Centrifugal Pump With Vaned Diffusers
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Topics: Centrifugal pumps, Diffusers, Pumps, Pressure, Vortices, Design, Engineering simulation, Flow (Dynamics), Fluctuations (Physics), Impellers
Proceedings Papers

A Study of Second Moment Closure Modeling for Stratified Wakes Using DNS Ensembles

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Naman Jain, Xinyi Huang, Xiang Yang, Robert Kunz
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A012, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-86979
https://doi.org/10.1115/FEDSM2022-86979
View Paper titled, A Study of Second Moment Closure Modeling for Stratified Wakes Using DNS Ensembles
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Topics: Modeling, Wakes, Reynolds-averaged Navier–Stokes equations, Particle filtering (numerical methods), Sheet molding compound (Plastics), Sliding mode control, Surface mount components, Energy dissipation, Flow (Dynamics), Turbulence
Proceedings Papers

A Numerical Study on the Effect of Carrier Fluid Subgrid Scales Fluctuations on Deposition and Dispersion of Lagrangian Particles

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Farid Rousta, Bamdad Lessani, Goodarz Ahmadi
Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T04A015, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87651
https://doi.org/10.1115/FEDSM2022-87651
View Paper titled, A Numerical Study on the Effect of Carrier Fluid Subgrid Scales Fluctuations on Deposition and Dispersion of Lagrangian Particles
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Topics: Fluctuations (Physics), Fluids, Particulate matter, Channel flow, Flow (Dynamics), Turbulence, Computer simulation, Engineering simulation, Friction, Large eddy simulation
Proceedings Papers

PIV Visualization of Flow Around Airfoil Controlled by Synthetic Jet Actuators at Shear-Layer and Wake Instability Frequencies

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Eric Yang, Pierre E. Sullivan
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A013, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65482
https://doi.org/10.1115/FEDSM2021-65482
View Paper titled, PIV Visualization of Flow Around Airfoil Controlled by Synthetic Jet Actuators at Shear-Layer and Wake Instability Frequencies
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Topics: Actuators, Airfoils, Flow (Dynamics), Shear (Mechanics), Visualization, Wakes, Boundary layers, Excitation, Jets, Vorticity
Proceedings Papers

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

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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65559
https://doi.org/10.1115/FEDSM2021-65559
View Paper titled, Flow Characterization of an Industrial Size Francis Turbine Operating at Ultra-Low Load – The Effect of Water Injection
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Topics: Flow (Dynamics), Fluctuations (Physics), Francis turbines, Stress, Underground injection
Proceedings Papers

Performance of Kaplan Turbine Operating at Design Condition

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Muhannad Altimemy, Saif Watheq, Justin Caspar, Alparslan Oztekin
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A018, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65561
https://doi.org/10.1115/FEDSM2021-65561
View Paper titled, Performance of Kaplan Turbine Operating at Design Condition
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Topics: Design, Fluctuations (Physics), Kaplan turbines, Pressure, Ropes, Wake turbulence
Proceedings Papers

Wall-Pressure Fluctuations Inside Attached Cavitation

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Changchang Wang, Guoyu Wang, Mindi Zhang, Qin Wu
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A032, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65501
https://doi.org/10.1115/FEDSM2021-65501
View Paper titled, Wall-Pressure Fluctuations Inside Attached Cavitation
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Topics: Cavitation, Fluctuations (Physics), Pressure, Statistics
Proceedings Papers

A Versatile IBM-Based AMR Method for Studying Human Snoring

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Wei Zhang, Yu Pan, Yuchen Gong, Haibo Dong, Jinxiang Xi
Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A039, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65790
https://doi.org/10.1115/FEDSM2021-65790
View Paper titled, A Versatile IBM-Based AMR Method for Studying Human Snoring
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Topics: Air flow, Biomedicine, Dynamics (Mechanics), Flow (Dynamics), Fluctuations (Physics), Junctions, Magnetic resonance, Magnetic resonance imaging, Navier-Stokes equations, Pressure
Proceedings Papers

Causal Inference Analysis to Find Relationships Found in Boundary-Layer Transition – Part I: Theoretical

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Arturo Rodriguez, Jose Terrazas, Richard Adansi, V. M. Krushnarao Kotteda, Jorge A. Munoz, Vinod Kumar
Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A050, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-61843
https://doi.org/10.1115/FEDSM2021-61843
View Paper titled, Causal Inference Analysis to Find Relationships Found in Boundary-Layer Transition – Part I: Theoretical
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Topics: Boundary layers, Turbulence, Flow (Dynamics), Computational fluid dynamics, Fluctuations (Physics), Reynolds number, Vehicles, Defense industry, Design, Fluid dynamics
Proceedings Papers

On the Potential for Low-Frequency Control Valve Vibrations Being Caused by Upstream Oscillating Dean Vortexes

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Richard Lozowy, Mario Forcinito
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A023, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20310
https://doi.org/10.1115/FEDSM2020-20310
View Paper titled, On the Potential for Low-Frequency Control Valve Vibrations Being Caused by Upstream Oscillating Dean Vortexes
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Topics: Oscillations, Valves, Vibration, Vortices, Pipe bends, Compressors, Flow (Dynamics), Pipes, Simulation, Fluctuations (Physics)
Proceedings Papers

Several Modifications to Improve Numerical Stability of Leishmen-Beddoes Dynamic Stall Model

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Jia Guo, Haoran Meng, Pan Zeng, Liping Lei
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T02A003, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20387
https://doi.org/10.1115/FEDSM2020-20387
View Paper titled, Several Modifications to Improve Numerical Stability of Leishmen-Beddoes Dynamic Stall Model
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Topics: Numerical stability, Blades, Fluctuations (Physics), Errors, Filters, Aerodynamics, Delays, Fluid-dynamic forces, Performance, Simulation
Proceedings Papers

Non-Equilibrium Thermal Fluctuation in Flow

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Wei Li
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A003, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20131
https://doi.org/10.1115/FEDSM2020-20131
View Paper titled, Non-Equilibrium Thermal Fluctuation in Flow
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Topics: Equilibrium (Physics), Flow (Dynamics), Waves, Temperature, Fluids, Brownian motion, Dimensions, Fluctuations (Physics), Spacetime, Theoretical analysis
Proceedings Papers

Performance of Francis Turbine Operating at Excess Load Condition

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Muhannad Altimemy, Justin Caspar, Alparslan Oztekin
Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A033, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20053
https://doi.org/10.1115/FEDSM2020-20053
View Paper titled, Performance of Francis Turbine Operating at Excess Load Condition
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Topics: Fluctuations (Physics), Francis turbines, Pressure, Stress
Proceedings Papers

Computational Study of Pump Turbine: Partial Load Operations

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Muhannad Altimemy, Justin Caspar, Alparslan Oztekin
Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A034, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20054
https://doi.org/10.1115/FEDSM2020-20054
View Paper titled, Computational Study of Pump Turbine: Partial Load Operations
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Topics: Fluctuations (Physics), Pressure, Pump turbines, Ropes, Stress, Vortices
Proceedings Papers

Accuracy of the CRW Models for Prediction of the Deposition and Dispersion of Particles in Inhomogeneous Turbulent Channel Flows

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Amir A. Mofakham, Goodarz Ahmadi
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A018, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4856
https://doi.org/10.1115/AJKFluids2019-4856
View Paper titled, Accuracy of the CRW Models for Prediction of the Deposition and Dispersion of Particles in Inhomogeneous Turbulent Channel Flows
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Topics: Channel flow, Particulate matter, Turbulence, Flow (Dynamics), Fluctuations (Physics), Fluids, Collisions (Physics), Computer simulation, Drag (Fluid dynamics), Engineering simulation
Proceedings Papers

Analysis on Heat Transfer and Phase Change for Two-Phase Boiling Flow in Quenching Process

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Lu Wang, Nobuyuki Oshima, Sangwon Kim
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A036, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4832
https://doi.org/10.1115/AJKFluids2019-4832
View Paper titled, Analysis on Heat Transfer and Phase Change for Two-Phase Boiling Flow in Quenching Process
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Topics: Boiling, Flow (Dynamics), Heat transfer, Quenching (Metalworking), Wall temperature, Heat flux, Bubbles, Heating, Vapors, Computer simulation
Proceedings Papers

Deposition of Ellipsoidal Fibers in Nasal Cavity: Influence of Non-Creeping Flow Conditions

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Mehdi Aboulhasan Tash, Mohammad Mehdi Tavakol, Omid Abouali, Goodarz Ahmadi
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A053, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5378
https://doi.org/10.1115/AJKFluids2019-5378
View Paper titled, Deposition of Ellipsoidal Fibers in Nasal Cavity: Influence of Non-Creeping Flow Conditions
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Topics: Cavities, Fibers, Flow (Dynamics), Particulate matter, Turbulence, Air flow, Computer software, Fluid-dynamic forces, Modeling, Computer simulation
Proceedings Papers

Can Naturally Pulsating Prefilming Slurry Atomization Be Enhanced by Artificial External Modulation?

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Wayne Strasser
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A039, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4882
https://doi.org/10.1115/AJKFluids2019-4882
View Paper titled, Can Naturally Pulsating Prefilming Slurry Atomization Be Enhanced by Artificial External Modulation?
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Topics: Acoustics, Chemical reactions, Computational fluid dynamics, Drops, Ejectors, Energy generation, Flow (Dynamics), Fluctuations (Physics), Geometry, Heat
Proceedings Papers

Decay of Turbulence in a Duct With Transverse Magnetic Field

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Oleg Zikanov, Dmitry Krasnov, Thomas Boeck, Semion Sukoriansky
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A063, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4688
https://doi.org/10.1115/AJKFluids2019-4688
View Paper titled, Decay of Turbulence in a Duct With Transverse Magnetic Field
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Topics: Ducts, Magnetic fields, Turbulence, Flow (Dynamics), Fluctuations (Physics), Honeycomb structures, Computer simulation, Engineering simulation, Resolution (Optics), Simulation