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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

Paper No: AJKFluids2015-33353

DOI: https://doi.org/10.1115/AJKFluids2015-33353

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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

Paper No: AJKFluids2015-33366

DOI: https://doi.org/10.1115/AJKFluids2015-33366

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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

Paper No: AJKFluids2015-33417

DOI: https://doi.org/10.1115/AJKFluids2015-33417

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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

Paper No: AJKFluids2015-33438

DOI: https://doi.org/10.1115/AJKFluids2015-33438

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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

Paper No: AJKFluids2015-33469

DOI: https://doi.org/10.1115/AJKFluids2015-33469

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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

Paper No: AJKFluids2015-33484

DOI: https://doi.org/10.1115/AJKFluids2015-33484

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Topics: Cavitation, Flow (Dynamics), Pumps, Unsteady flow, Wake turbulence, Computational fluid dynamics, Impellers, Vibration, Vortices, Blades

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

Paper No: AJKFluids2015-33490

DOI: https://doi.org/10.1115/AJKFluids2015-33490

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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

Paper No: AJKFluids2015-33495

DOI: https://doi.org/10.1115/AJKFluids2015-33495

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Topics: Centrifugal pumps, Rotors, Stators, Pressure, Blades, Pumps, Flow (Dynamics), Vorticity, Vortices, Cutting

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

Paper No: AJKFluids2015-33515

DOI: https://doi.org/10.1115/AJKFluids2015-33515

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Topics: Centrifugal pumps, Rotors, Thrust, Flow (Dynamics), Ball bearings, Journal bearings, Stress

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

Paper No: AJKFluids2015-33641

DOI: https://doi.org/10.1115/AJKFluids2015-33641

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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

Paper No: AJKFluids2015-33643

DOI: https://doi.org/10.1115/AJKFluids2015-33643

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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

Paper No: AJKFluids2015-33753

DOI: https://doi.org/10.1115/AJKFluids2015-33753

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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

Paper No: AJKFluids2015-33760

DOI: https://doi.org/10.1115/AJKFluids2015-33760

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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

Paper No: AJKFluids2015-33036

DOI: https://doi.org/10.1115/AJKFluids2015-33036

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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

Paper No: AJKFluids2015-33761

DOI: https://doi.org/10.1115/AJKFluids2015-33761

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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

Paper No: AJKFluids2015-33190

DOI: https://doi.org/10.1115/AJKFluids2015-33190

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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

Paper No: AJKFluids2015-33762

DOI: https://doi.org/10.1115/AJKFluids2015-33762

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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

Paper No: AJKFluids2015-33763

DOI: https://doi.org/10.1115/AJKFluids2015-33763

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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

Paper No: AJKFluids2015-33315

DOI: https://doi.org/10.1115/AJKFluids2015-33315

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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

Paper No: AJKFluids2015-33785

DOI: https://doi.org/10.1115/AJKFluids2015-33785

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Topics: Diffusers, Pumps, Flow (Dynamics), Internal flow, Lasers, Light sources, Particulate matter, Performance characterization, Transparency

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NARROW

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

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

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

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

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

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

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

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

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

Cavitation Flow Structure and Unsteady Pressure Pulsation Around a Hydrofoil

Simple Vibration Diagnosis and Experimental Verification Using Eccentricity Shaker

Large Eddy Simulation of Unsteady Vortices in a Pump Sump

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

A Hydraulic Design Procedure of Axial-Flow Pump

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

Consideration of Sub-Surface Vortices in Suction Sump Using LES

Adaptive Blade Systems for Increased Operating Range of a Turbomachine

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

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

PIV Measurements in Diffuser of the Radial Pump

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