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Proceedings Papers

Analysis of Instability Phenomena Occurring in a Centrifugal Pump With a Low-Solidity Fan-Type Inducer

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Shimpei Narimatsu, Sota Nakayama, Shinichi Konno, Shinichiro Ejiri, Masahiro Miyabe
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T01A011, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130433
https://doi.org/10.1115/FEDSM2024-130433
View Paper titled, Analysis of Instability Phenomena Occurring in a Centrifugal Pump With a Low-Solidity Fan-Type Inducer
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Topics: Cavitation, Centrifugal pumps, Computational fluid dynamics, Impellers, Leakage flows, Pressure, Flow (Dynamics), Energy dissipation, Fast Fourier transforms, Flow instability
Proceedings Papers

Development of Three-Dimensional Velocity Vector Profiler Using Ultrasonic Pulsed Doppler Method

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Naruki Shoji, Hideharu Takahashi, Hiroshige Kikura
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T02A010, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87878
https://doi.org/10.1115/FEDSM2022-87878
View Paper titled, Development of Three-Dimensional Velocity Vector Profiler Using Ultrasonic Pulsed Doppler Method
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Topics: Accidents, Algorithms, Containment vessels, Flow (Dynamics), Flow measurement, Fuels, Fukushima nuclear disaster, Japan, 2011, Inspection, Leakage, Leakage flows
Proceedings Papers

Unsteady Flow in the Vaned Diffuser of a Low Specific Speed Centrifugal Pump With an Unshrouded Impeller

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Asuma Ichinose, Tomoki Takeda, Kazuyoshi Miyagawa, Yohei Ogawa, Hideyo Negishi, Kazuki Niiyama
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A042, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5599
https://doi.org/10.1115/AJKFluids2019-5599
View Paper titled, Unsteady Flow in the Vaned Diffuser of a Low Specific Speed Centrifugal Pump With an Unshrouded Impeller
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Topics: Centrifugal pumps, Diffusers, Impellers, Leakage flows, Unsteady flow, Wakes
Proceedings Papers

Numerical Investigation of Tip Leakage Vortex Cavitation in Axial Waterjet Pump With Different Tip Gap Sizes

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Shun Xu, Bin Ji, Xinping Long, Zhongdong Qian, Guibin Li, Jiajian Zhou
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A070, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4990
https://doi.org/10.1115/AJKFluids2019-4990
View Paper titled, Numerical Investigation of Tip Leakage Vortex Cavitation in Axial Waterjet Pump With Different Tip Gap Sizes
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Topics: Cavitation, Leakage, Pumps, Vortices, Impellers, Axial flow, Vorticity, Computer simulation, Diffusion (Physics), Flow (Dynamics)
Proceedings Papers

Investigation of Interaction Between Tip Leakage Flow Generated by Unshrouded Impeller and Diffuser Internal Flow

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Asuma Ichinose, Norio Kimura, Mamiko Yoshimura, Tomoyuki Hayashi, Kazuyoshi Miyagawa
Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T12A029, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83502
https://doi.org/10.1115/FEDSM2018-83502
View Paper titled, Investigation of Interaction Between Tip Leakage Flow Generated by Unshrouded Impeller and Diffuser Internal Flow
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Topics: Diffusers, Impellers, Internal flow, Leakage flows, Computational fluid dynamics, Simulation, Pumps, Blades, Pressure, Boundary-value problems
Proceedings Papers

Investigation on the Influence of Surface Roughness on the Moment Coefficient in a Rotor-Stator Cavity With Centripetal Through-Flow

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Bo Hu, Dieter Brillert, Hans Josef Dohmen, Friedrich-Karl Benra
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, V01AT03A001, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69018
https://doi.org/10.1115/FEDSM2017-69018
View Paper titled, Investigation on the Influence of Surface Roughness on the Moment Coefficient in a Rotor-Stator Cavity With Centripetal Through-Flow
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Topics: Cavities, Flow (Dynamics), Rotors, Stators, Surface roughness, Impellers, Pumps, Turbines, Design, Leakage flows
Proceedings Papers

Vortical Flow Structure of Hub-Corner Separation in a Stator Cascade of a Multi-Stage Transonic Axial Compressor

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Seishiro Saito, Masato Furukawa, Kazutoyo Yamada, Yuki Tamura, Akinori Matsuoka, Naoyuki Niwa
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, V01AT02A004, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69116
https://doi.org/10.1115/FEDSM2017-69116
View Paper titled, Vortical Flow Structure of Hub-Corner Separation in a Stator Cascade of a Multi-Stage Transonic Axial Compressor
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Separation (Technology), Stators, Vortex flow, Flow (Dynamics), Vortices, Chords (Trusses), Clearances (Engineering)
Proceedings Papers

Experimental Investigation on Diffuser Rotating Stall in a Three-Stage Centrifugal Pump

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Taiki Takamine, Satoshi Watanabe, Daichi Furukawa, Hiroyoshi Watanabe, Kazuyoshi Miyagawa
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, V01AT05A021, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69386
https://doi.org/10.1115/FEDSM2017-69386
View Paper titled, Experimental Investigation on Diffuser Rotating Stall in a Three-Stage Centrifugal Pump
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Topics: Centrifugal pumps, Diffusers, Flow (Dynamics), Leakage, Rotors, Errors, Impellers, Leakage flows, Reliability, Suction
Proceedings Papers

Exit Loss Model for Plain Axial Seals in Multi-Stage Centrifugal Pumps

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K. A. J. Bruurs, B. P. M. van Esch, M. S. van der Schoot
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, V01AT05A015, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69251
https://doi.org/10.1115/FEDSM2017-69251
View Paper titled, Exit Loss Model for Plain Axial Seals in Multi-Stage Centrifugal Pumps
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Topics: Centrifugal pumps, Computational fluid dynamics, Pumps, Flow (Dynamics), Leakage flows, Pressure drop, Thrust, Axial flow, Dynamic stability, Friction
Proceedings Papers

Elliptical Shape Hole-Pattern Seals Performance Evaluation Using Design of Experiments Technique

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Hanxiang Jin, Alexandrina Untaroiu
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, V01AT03A013, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7687
https://doi.org/10.1115/FEDSM2016-7687
View Paper titled, Elliptical Shape Hole-Pattern Seals Performance Evaluation Using Design of Experiments Technique
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Topics: Experimental design, Performance evaluation, Shapes, Cavities, Design, Computational fluid dynamics, Leakage, Flow (Dynamics), Geometry, Leakage flows
Proceedings Papers

A Combined Numerical and Experimental Assessment of Air and Dust Flow in a Low-Reynolds Number Valve Including Modifications to Prevent Valve Seal Contamination

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R. S. Gill, J. J. Defoe, G. W. Rankin
Proc. ASME. FEDSM2016, Volume 1B, Symposia: Fluid Mechanics (Fundamental Issues and Perspectives; Industrial and Environmental Applications); Multiphase Flow and Systems (Multiscale Methods; Noninvasive Measurements; Numerical Methods; Heat Transfer; Performance); Transport Phenomena (Clean Energy; Mixing; Manufacturing and Materials Processing); Turbulent Flows — Issues and Perspectives; Algorithms and Applications for High Performance CFD Computation; Fluid Power; Fluid Dynamics of Wind Energy; Marine Hydrodynamics, V01BT20A001, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7669
https://doi.org/10.1115/FEDSM2016-7669
View Paper titled, A Combined Numerical and Experimental Assessment of Air and Dust Flow in a Low-Reynolds Number Valve Including Modifications to Prevent Valve Seal Contamination
Open the PDF for A Combined Numerical and Experimental Assessment of Air and Dust Flow in a Low-Reynolds Number Valve Including Modifications to Prevent Valve Seal Contamination in another window
Topics: Contamination, Dust, Flow (Dynamics), Valves, Particulate matter, Leakage flows, Sealing (Process), Design, Computer simulation, Geometry
Proceedings Papers

Development of Shroudless Francis Turbine

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

Numerical Study on the Main Coolant Pump of Sodium-Cooled Fast Reactor

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Sungho Ko, Yeon-tae Kim
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT02A007, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-02403
https://doi.org/10.1115/AJKFluids2015-02403
View Paper titled, Numerical Study on the Main Coolant Pump of Sodium-Cooled Fast Reactor
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Topics: Coolants, Pumps, Sodium fast reactors, Flow (Dynamics), Design, Blades, Diffusers, Computational fluid dynamics, Experimental design, Fittings
Proceedings Papers

Investigation of Impeller Exit Flow Field in a Highly Loaded Centrifugal Compressor

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Soumya Dutta, Wataru Sato, Kenichi Funazaki, Yukiya Kakudate
Proc. ASME. AJKFluids2015, Volume 1: Symposia, V001T02A003, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-2745
https://doi.org/10.1115/AJKFluids2015-2745
View Paper titled, Investigation of Impeller Exit Flow Field in a Highly Loaded Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Impellers, Computational fluid dynamics, Turbulence, Clearances (Engineering), Blades, Compressor impellers, Design, Diffusers
Proceedings Papers

CFD of Vortical Flows: Requirements and Mesh Adaption Techniques

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Martino Reclari, Shinji Fukao, Masamichi Iino, Takeshi Sano, Yuuki Nakamura
Proc. ASME. AJKFluids2015, Volume 1: Symposia, V001T09A005, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-9166
https://doi.org/10.1115/AJKFluids2015-9166
View Paper titled, CFD of Vortical Flows: Requirements and Mesh Adaption Techniques
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Topics: Air entrainment, Cavitation, Collapse, Computation, Computational fluid dynamics, Computer simulation, Containers, Energy dissipation, Erosion, Inflow
Proceedings Papers

Shut-Off Head Prediction in Single Stage Centrifugal Pumps

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Stefan Berten, Filippo Tomasini, Wolfgang Maurer, Philippe Dupont
Proc. ASME. AJKFluids2015, Volume 1: Symposia, V001T33A022, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33780
https://doi.org/10.1115/AJKFluids2015-33780
View Paper titled, Shut-Off Head Prediction in Single Stage Centrifugal Pumps
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Topics: Centrifugal pumps, Pumps, Flow (Dynamics), Impellers, Leakage flows, Computational fluid dynamics, Computer simulation, Design, Geometry, Pressure
Proceedings Papers

Effects of Tip Gap Size on the Flow Structure in the Tip Region of an Axial Turbomachine

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Yuanchao Li, David Tan, Huang Chen, Joseph Katz
Proc. ASME. AJKFluids2015, Volume 1: Symposia, V001T33A023, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33787
https://doi.org/10.1115/AJKFluids2015-33787
View Paper titled, Effects of Tip Gap Size on the Flow Structure in the Tip Region of an Axial Turbomachine
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Topics: Flow (Dynamics), Turbomachinery, Blades, Vortices, Boundary layers, Cavitation, Compressors, Corners (Structural elements), Inlet guide vanes, Rotors
Proceedings Papers

Effect of Tip Clearance on Suction Performance at Different Flow Rates in a Mixed Flow Pump

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Yo Han Jung, Young Uk Min, Jin Young Kim
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, V01BT10A012, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21207
https://doi.org/10.1115/FEDSM2014-21207
View Paper titled, Effect of Tip Clearance on Suction Performance at Different Flow Rates in a Mixed Flow Pump
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Topics: Clearances (Engineering), Flow (Dynamics), Pumps, Suction, Design, Cavitation, Computation, Leakage flows, Navier-Stokes equations, Numerical analysis
Proceedings Papers

PIV Measurements of the Flow in the Tip Region of a Compressor Rotor

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David Tan, Yuanchao Li, Ian Wilkes, Rinaldo L. Miorini, Joseph Katz
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, V01BT10A031, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21593
https://doi.org/10.1115/FEDSM2014-21593
View Paper titled, PIV Measurements of the Flow in the Tip Region of a Compressor Rotor
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Topics: Compressors, Flow (Dynamics), Rotors, Blades, Inlet guide vanes, Turbulence, Vortices, Vorticity, Kinetic energy, NASA
Proceedings Papers

Hydroelastic Stability and Vibration of a Large Reactor Pendulum Structure

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Gregory A. Meyer, Gregory A. Banyay, Samuel A. Maeby, Scott E. Sidener, Richard E. Schwirian
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, V01BT13A006, July 7–11, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2013-16562
https://doi.org/10.1115/FEDSM2013-16562
View Paper titled, Hydroelastic Stability and Vibration of a Large Reactor Pendulum Structure
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Topics: Pendulums, Stability, Vibration, Flow (Dynamics), Damage, Design, Equations of motion, Flanges, Flow-induced vibrations, Fluid structure interaction