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Proceedings Papers

Development of a Diffuser Type Multistage Pump With Low Specific Speed

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Joshua Joohyen Kim, Dohong Kim, Hyeonsig Kim, Martin Boehle
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T01A012, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130472
https://doi.org/10.1115/FEDSM2024-130472
View Paper titled, Development of a Diffuser Type Multistage Pump With Low Specific Speed
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Topics: Computational fluid dynamics, Diffusers, Pumps
Proceedings Papers

Passive Suppression of Diffuser Rotating Stall in a Centrifugal Pump by the Non-Symmetry Diffuser Vane

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Mikio Takahashi, Dai Iwasaki, 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), V001T01A025, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-131293
https://doi.org/10.1115/FEDSM2024-131293
View Paper titled, Passive Suppression of Diffuser Rotating Stall in a Centrifugal Pump by the Non-Symmetry Diffuser Vane
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Topics: Centrifugal pumps, Computational fluid dynamics, Diffusers
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 Numerical Investigation of the Longitudinal Vortex Pair Structure in Underbody Diffuser Flows

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Salvador Mayoral, Anthony Massis
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T03A011, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130600
https://doi.org/10.1115/FEDSM2024-130600
View Paper titled, A Numerical Investigation of the Longitudinal Vortex Pair Structure in Underbody Diffuser Flows
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Topics: Diffusers, Flow (Dynamics), Large eddy simulation, Modeling, Stress, Vortices
Proceedings Papers

Diffuser Vane Slit Width Optimization Using Simple Prediction Method of Diffuser Rotating Stall Onset in a Centrifugal Pump

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Shunya Takao, Sota Nakayama, Shinichi Konno, Yasushi Fujishima, Shinichiro Ejiri, Masahiro Miyabe
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T01A003, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-86728
https://doi.org/10.1115/FEDSM2022-86728
View Paper titled, Diffuser Vane Slit Width Optimization Using Simple Prediction Method of Diffuser Rotating Stall Onset in a Centrifugal Pump
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Topics: Centrifugal pumps, Diffusers, Optimization
Proceedings Papers

3-D Computational Study of a Diffuser Augmented Micro Wind Turbine

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Kiran M. S., Aakash Rajawat, Pritanshu Ranjan
Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A007, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65661
https://doi.org/10.1115/FEDSM2021-65661
View Paper titled, 3-D Computational Study of a Diffuser Augmented Micro Wind Turbine
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Topics: Diffusers, Flow (Dynamics), Generators, Vortices, Wind turbines, Nozzles, Energy generation, Computational fluid dynamics, Design, Engineering simulation
Proceedings Papers

Suppression of Diffuser Rotating Stall in a Centrifugal Pump by Use of Slit Vane

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Shunya Takao, Shinichi Konno, Shinichiro Ejiri, Masahiro Miyabe
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A007, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65519
https://doi.org/10.1115/FEDSM2021-65519
View Paper titled, Suppression of Diffuser Rotating Stall in a Centrifugal Pump by Use of Slit Vane
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Topics: Centrifugal pumps, Computational fluid dynamics, Diffusers
Proceedings Papers

The Unsteady Behavior of Diffuser Stall in a Centrifugal Compressor With Vaneless Diffuser

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Hiroshi Miida, Kenta Tajima, Nobumichi Fujisawa, Yutaka Ohta
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A006, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20128
https://doi.org/10.1115/FEDSM2020-20128
View Paper titled, The Unsteady Behavior of Diffuser Stall in a Centrifugal Compressor With Vaneless Diffuser
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Topics: Compressors, Computational fluid dynamics, Diffusers, Vaneless diffusers
Proceedings Papers

Part Load Instability and Rotating Stall in a Multistage Low Specific Speed Pump

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E. M. A. Vermunt, K. A. J. Bruurs, M. S. van der Schoot, B. P. M. van Esch
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A026, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20086
https://doi.org/10.1115/FEDSM2020-20086
View Paper titled, Part Load Instability and Rotating Stall in a Multistage Low Specific Speed Pump
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Topics: Pumps, Stress, Flow (Dynamics), Diffusers, Impellers, Computational fluid dynamics, Design, Rotation, Engineering simulation, Pressure
Proceedings Papers

Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows

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Ernesto Casartelli, Luca Mangani, David Roos, Armando Del Rio
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A041, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20420
https://doi.org/10.1115/FEDSM2020-20420
View Paper titled, Application of Advanced RANS Turbulence Models for the Prediction of Turbomachinery Flows
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Topics: Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbomachinery, Turbulence, Vortices, Anisotropy, Stress, Boundary layers, Design, Algebra
Proceedings Papers

Particle Transport and Deposition in a Ventilated Room With a Standing Mannequin

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Mehrdad Azhdari, Mohammad Mehdi Tavakol, Goodarz Ahmadi
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A023, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20450
https://doi.org/10.1115/FEDSM2020-20450
View Paper titled, Particle Transport and Deposition in a Ventilated Room With a Standing Mannequin
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Topics: Particulate matter, Air flow, Dampers, Diffusers, Flow (Dynamics), Simulation results, Air conditioning, Computer simulation, Computer software, Density
Proceedings Papers

Flow Field and Performance Analysis of a Centrifugal Pump During Unstable Operating Conditions

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Romain Prunières, Chisachi Kato
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A015, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4886
https://doi.org/10.1115/AJKFluids2019-4886
View Paper titled, Flow Field and Performance Analysis of a Centrifugal Pump During Unstable Operating Conditions
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Topics: Centrifugal pumps, Flow (Dynamics), Fluids, Large eddy simulation, Pumps, Impellers, Diffusers, Computational fluid dynamics, Pressure, Flow instability
Proceedings Papers

CFD-Based Hydraulic Design and Manufacturing of a Multistage Low Specific-Speed Diffuser Pump

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Martijn van der Schoot, Kevin Bruurs, Eric van der Zijden
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A051, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5661
https://doi.org/10.1115/AJKFluids2019-5661
View Paper titled, CFD-Based Hydraulic Design and Manufacturing of a Multistage Low Specific-Speed Diffuser Pump
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Topics: Computational fluid dynamics, Design, Diffusers, Manufacturing, Pumps
Proceedings Papers

A Numerical Study on Flow Characteristics of Super Sonic Diffuser for the Position and Nose Cone Angles of Center Body

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Sunghun Lee, Myeongwon Lee, Jin Park, Hongjip Kim
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A054, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5430
https://doi.org/10.1115/AJKFluids2019-5430
View Paper titled, A Numerical Study on Flow Characteristics of Super Sonic Diffuser for the Position and Nose Cone Angles of Center Body
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Topics: Diffusers, Flow (Dynamics), Nozzles, Pressure
Proceedings Papers

Effect of Diffuser Vane Solidity on Performance of a Multistage Bowl Pump

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Paul Cooper, Ashvin Hosangadi
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A048, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5633
https://doi.org/10.1115/AJKFluids2019-5633
View Paper titled, Effect of Diffuser Vane Solidity on Performance of a Multistage Bowl Pump
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Topics: Diffusers, Flow (Dynamics), Pumps
Proceedings Papers

Investigation of the Pump, Dissipation and Inverse Turbine Operating Modes Using the CATHARE-3 One-Dimensional Rotodynamic Pump Model

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Laura Matteo, Fabien Cerru, Antoine Dazin, Nicolas Tauveron
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A020, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-4961
https://doi.org/10.1115/AJKFluids2019-4961
View Paper titled, Investigation of the Pump, Dissipation and Inverse Turbine Operating Modes Using the CATHARE-3 One-Dimensional Rotodynamic Pump Model
Open the PDF for Investigation of the Pump, Dissipation and Inverse Turbine Operating Modes Using the CATHARE-3 One-Dimensional Rotodynamic Pump Model in another window
Topics: Energy dissipation, Pumps, Turbines, Flow (Dynamics), Centrifugal pumps, Computation, Diffusers, Impellers, Pipes, Suction
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 the Influence of Impeller-Diffuser Gap (A- and B-Gaps) on Unsteady Flow in a Centrifugal Pump at Part Flows

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Taiki Takamine, Satoshi Watanabe
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A035, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5372
https://doi.org/10.1115/AJKFluids2019-5372
View Paper titled, Numerical Investigation of the Influence of Impeller-Diffuser Gap (A- and B-Gaps) on Unsteady Flow in a Centrifugal Pump at Part Flows
Open the PDF for Numerical Investigation of the Influence of Impeller-Diffuser Gap (A- and B-Gaps) on Unsteady Flow in a Centrifugal Pump at Part Flows in another window
Topics: Centrifugal pumps, Diffusers, Flow (Dynamics), Impellers, Unsteady flow, Rotors, Pumps, Blades, Cutting, Stators
Proceedings Papers

Numerical Study on the Performance of a Centrifugal Impeller With Self-Adaptive Casing Treatment

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M. Q. Gong, H. S. Chen, Y. J. Xu, J. Q. Deng
Proc. ASME. FEDSM2018, Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change, V002T09A011, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83132
https://doi.org/10.1115/FEDSM2018-83132
View Paper titled, Numerical Study on the Performance of a Centrifugal Impeller With Self-Adaptive Casing Treatment
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Topics: Impellers, Turbulence, Flow (Dynamics), Compressors, Blades, Diffusers, Engineering simulation, Fluids, Optimization, Shear stress
Proceedings Papers

CLOWT: A Multifunctional Test Facility for the Investigation of Organic Vapor Flows

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Felix Reinker, Eugeny Y. Kenig, Stefan aus der Wiesche
Proc. ASME. FEDSM2018, Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change, V002T14A004, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83076
https://doi.org/10.1115/FEDSM2018-83076
View Paper titled, CLOWT: A Multifunctional Test Facility for the Investigation of Organic Vapor Flows
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Topics: Flow (Dynamics), Test facilities, Vapors, Computational fluid dynamics, Cycles, Design, Wind tunnels, Chemical processes, Diffusers, Energy conversion