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8th International Symposium on Pumping Machinery
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Proceedings Papers

Flow Instability in Off Design Condition of Vaned and Vaneless Diffuser Centrifugal Pump

Hideto Hiramatsu, Akiha Shibata, Shutaro Komaki, Kazuyoshi Miyagawa, Takeshi Sano
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A005, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33353
https://doi.org/10.1115/AJKFluids2015-33353
View Paper titled, Flow Instability in Off Design Condition of Vaned and Vaneless Diffuser Centrifugal Pump
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Topics: Centrifugal pumps, Design, Flow instability, Vaneless diffusers, Diffusers, Impellers, Vortices, Computation, Flow (Dynamics), Internal flow
Proceedings Papers

Study of the Flow Field and Performances of a Centrifugal Pump During Unstable Operating Conditions by CFD

Romain Prunières, Neo Imai, Yasuhiro Inoue, Takashi Okihara, Takahide Nagahara
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A006, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33366
https://doi.org/10.1115/AJKFluids2015-33366
View Paper titled, Study of the Flow Field and Performances of a Centrifugal Pump During Unstable Operating Conditions by CFD
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Topics: Centrifugal pumps, Computational fluid dynamics, Flow (Dynamics), Impellers, Noise (Sound), Pumps, Shapes, Stability, Vibration
Proceedings Papers

Blockage and Distortion Effects on a Vane Island Type Diffuser Performance of Centrifugal Pumps for Various Flow Rates

Qiaorui Si, Antoine Dazin, Patrick Dupont, Olivier Roussette, Gérard Bois
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A007, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33417
https://doi.org/10.1115/AJKFluids2015-33417
View Paper titled, Blockage and Distortion Effects on a Vane Island Type Diffuser Performance of Centrifugal Pumps for Various Flow Rates
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Topics: Centrifugal pumps, Diffusers, Flow (Dynamics), Pressure, Design, Impellers, Particulate matter, Probes, Suction
Proceedings Papers

Clarification of Performance Curve Instability Mechanism Using Large Eddy Simulation of Internal Flow of a Mixed-Flow Pump

Isao Hagiya, Chisachi Kato, Yoshinobu Yamade, Takahide Nagahara, Masashi Fukaya
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A008, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33438
https://doi.org/10.1115/AJKFluids2015-33438
View Paper titled, Clarification of Performance Curve Instability Mechanism Using Large Eddy Simulation of Internal Flow of a Mixed-Flow Pump
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Topics: Flow (Dynamics), Internal flow, Large eddy simulation, Pumps, Blades, Impellers, Rotation, Rotors, Angular momentum, Computer software
Proceedings Papers

The Effect of Tip Leakage Vortex on Cavitation Performance in Axial Hydro Turbine

Naoki Masuda, Faris Austen, Hideaki Maeda
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A009, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33469
https://doi.org/10.1115/AJKFluids2015-33469
View Paper titled, The Effect of Tip Leakage Vortex on Cavitation Performance in Axial Hydro Turbine
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Topics: Cavitation, Hydraulic turbines, Leakage, Vortices, Computational fluid dynamics, Guide vanes, Renewable energy, Turbines, Blades, Clearances (Engineering)
Proceedings Papers

Unsteady Flow due to Cavitation in Mixed Flow Pumps Second Report: The Effect of Tip Vortex Cavitation on Hydraulic Force

Takuya Nakano, Yohei Hano, Naoki Masuda, Hideaki Maeda
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A010, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33484
https://doi.org/10.1115/AJKFluids2015-33484
View Paper titled, Unsteady Flow due to Cavitation in Mixed Flow Pumps Second Report: The Effect of Tip Vortex Cavitation on Hydraulic Force
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Topics: Cavitation, Flow (Dynamics), Pumps, Unsteady flow, Wake turbulence, Computational fluid dynamics, Impellers, Vibration, Vortices, Blades
Proceedings Papers

Measurements of Axial and Radial Thrust Forces Working on a Three-Stages Centrifugal Pump Rotor

Tetsuya Yamashita, Satoshi Watanabe, Yoshinori Hara, Hiroyoshi Watanabe, Kazuyoshi Miyagawa
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A013, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33515
https://doi.org/10.1115/AJKFluids2015-33515
View Paper titled, Measurements of Axial and Radial Thrust Forces Working on a Three-Stages Centrifugal Pump Rotor
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Topics: Centrifugal pumps, Rotors, Thrust, Flow (Dynamics), Ball bearings, Journal bearings, Stress
Proceedings Papers

Numerical Investigation on Performance of Contra-Rotating Axial Flow Pump With Different Rear Rotor Design

Hironori Honda, Linlin Cao, Satoshi Watanabe, Shin-ichi Tsuda, Akinori Furukawa
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A011, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33490
https://doi.org/10.1115/AJKFluids2015-33490
View Paper titled, Numerical Investigation on Performance of Contra-Rotating Axial Flow Pump With Different Rear Rotor Design
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Topics: Axial flow, Design, Pumps, Rotors, Blades, Computer simulation, Corners (Structural elements), Flow (Dynamics), Machinery, Momentum
Proceedings Papers

Investigation on Rotor-Stator Interaction in a Low Specific Speed Centrifugal Pump

Ning Zhang, Minguan Yang, Bo Gao, Zhong Li, Dan Ni
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A012, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33495
https://doi.org/10.1115/AJKFluids2015-33495
View Paper titled, Investigation on Rotor-Stator Interaction in a Low Specific Speed Centrifugal Pump
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Topics: Centrifugal pumps, Rotors, Stators, Pressure, Blades, Pumps, Flow (Dynamics), Vorticity, Vortices, Cutting
Proceedings Papers

Cavitation Flow Structure and Unsteady Pressure Pulsation Around a Hydrofoil

Dan Ni, Minguan Yang, Zhong Li, Ning Zhang, Bo Gao
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A014, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33641
https://doi.org/10.1115/AJKFluids2015-33641
View Paper titled, Cavitation Flow Structure and Unsteady Pressure Pulsation Around a Hydrofoil
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Topics: Cavitation, Flow (Dynamics), Hydrofoil, Pressure, Cavities, Vibration, Adhesion, Spectra (Spectroscopy), Axial flow, Eddies (Fluid dynamics)
Proceedings Papers

Simple Vibration Diagnosis and Experimental Verification Using Eccentricity Shaker

Seung Tae Oh, Kil-Su Ryu, Seung Woo Han, Cheol Woo Roh, In Geouk Joo, Kyeong Hwan Oh
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A015, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33643
https://doi.org/10.1115/AJKFluids2015-33643
View Paper titled, Simple Vibration Diagnosis and Experimental Verification Using Eccentricity Shaker
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Topics: Vibration, Hammers, Machinery, Power stations, Resonance, Engineers, Generators, Pumps, Stress, Turbines
Proceedings Papers

Large Eddy Simulation of Unsteady Vortices in a Pump Sump

Yoshinobu Yamade, Chisachi Kato, Takahide Nagahara, Jun Matsui
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A016, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33753
https://doi.org/10.1115/AJKFluids2015-33753
View Paper titled, Large Eddy Simulation of Unsteady Vortices in a Pump Sump
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Topics: Large eddy simulation, Pumps, Vortices, Boundary layer turbulence, Pipes, Resolution (Optics)
Proceedings Papers

Influencing the Part Load Recirculation of a Centrifugal Pump and Avoiding an Instability of the Performance Curve Thereby

Tino Mengdehl, Evgenii Palamarchuk, Angela Garlach, Christian Brix Jacobsen, Paul Uwe Thamsen
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A017, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33760
https://doi.org/10.1115/AJKFluids2015-33760
View Paper titled, Influencing the Part Load Recirculation of a Centrifugal Pump and Avoiding an Instability of the Performance Curve Thereby
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Topics: Centrifugal pumps, Stress, Pressure, Impellers, Flow (Dynamics), Blades, Computational fluid dynamics, Suction, Computer simulation, Pumps
Proceedings Papers

A Hydraulic Design Procedure of Axial-Flow Pump

Zhenhua Shen, Svend Rasmussen, Xiaofen Ma, Christian Brix Jacobsen
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A001, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33036
https://doi.org/10.1115/AJKFluids2015-33036
View Paper titled, A Hydraulic Design Procedure of Axial-Flow Pump
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Topics: Axial flow, Design, Pumps, Aluminum, Computational fluid dynamics, Computer numerical control machine tools, Engineering prototypes, Guide vanes, Machining, Optimization
Proceedings Papers

Avoiding Sedimentation and Air Entrainment in Pump Sump for Wet Pit Pumping Stations

Raja Abou Ackl, Andreas Swienty, Flemming Lykholt-Ustrup, Paul Uwe Thamsen
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A018, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33761
https://doi.org/10.1115/AJKFluids2015-33761
View Paper titled, Avoiding Sedimentation and Air Entrainment in Pump Sump for Wet Pit Pumping Stations
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Topics: Air entrainment, Pumping stations, Pumps, Sedimentation, Design, Flow (Dynamics), Sewage, Inflow, Water, Computer simulation
Proceedings Papers

Consideration of Sub-Surface Vortices in Suction Sump Using LES

Shigeyuki Tomimatsu, Yoshinobu Yamade, Huilai Zhang
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A002, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33190
https://doi.org/10.1115/AJKFluids2015-33190
View Paper titled, Consideration of Sub-Surface Vortices in Suction Sump Using LES
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Topics: Suction, Vortices, Simulation, Engineers
Proceedings Papers

Adaptive Blade Systems for Increased Operating Range of a Turbomachine

Steffen Hammer, Julija Peter, Paul Uwe Thamsen, Robert Meyer, Dat Tien Phan, Robert Liebich
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A019, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33762
https://doi.org/10.1115/AJKFluids2015-33762
View Paper titled, Adaptive Blade Systems for Increased Operating Range of a Turbomachine
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Topics: Blades, Turbomachinery, Stators, Cascades (Fluid dynamics), Flow (Dynamics), Fluids, Piezoelectric actuators, Pressure measurement, Rotors, System dynamics
Proceedings Papers

Linking Efficiency to Functional Performance by a Pump Test Standard for Wastewater Pumps

Michael Pöhler, Stefan Gerlach, Kristian Höchel, Tino Mengdehl, Paul Uwe Thamsen
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A020, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33763
https://doi.org/10.1115/AJKFluids2015-33763
View Paper titled, Linking Efficiency to Functional Performance by a Pump Test Standard for Wastewater Pumps
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Topics: Pumps, Sewage, Design, Regulations, Electric motors, Fans, Flow (Dynamics), Fluids, Green design, Structures
Proceedings Papers

Internal Flow Condition of Fluid Food Pump Using Semi-Open Impeller

Toru Shigemitsu, Hirotaka Shinohara, Takumi Matsubara, Junichiro Fukutomi
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A004, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33315
https://doi.org/10.1115/AJKFluids2015-33315
View Paper titled, Internal Flow Condition of Fluid Food Pump Using Semi-Open Impeller
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Topics: Fluids, Food products, Impellers, Internal flow, Pumps, Flow (Dynamics), Numerical analysis, Blades, Centrifugal pumps, Design methodology
Proceedings Papers

PIV Measurements in Diffuser of the Radial Pump

Sung Yong Jung, Young Uk Min, Kyung Lok Lee
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A021, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33785
https://doi.org/10.1115/AJKFluids2015-33785
View Paper titled, PIV Measurements in Diffuser of the Radial Pump
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Topics: Diffusers, Pumps, Flow (Dynamics), Internal flow, Lasers, Light sources, Particulate matter, Performance characterization, Transparency