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Keywords: Pump
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Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A027, July 13–15, 2020
Paper No: FEDSM2020-20144
...DESIGN OPTIMIZATION OF SPLITTER BLADE IMPELLER IN A CENTRIFUGAL PUMP Shunya Takao Osaka Institute of Technology Osaka, Japan Kentarou Hayashi Osaka Institute of Technology Osaka, Japan ABSTRACT In order to improve suction performance, centrifugal pumps with an inducer are used for rocket pumps...
Proceedings Papers

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A031, July 13–15, 2020
Paper No: FEDSM2020-20062
...INVESTIGATION ON THE PUMP SUCTION PERFORMANCE AND THERMODYNAMIC EFFECTS Eunhwan Jeong1, Byung Yun Kang, Soon Sam Hong, Dae Jin Kim, Chang Ho Choi. Korea Aerospace Research Institute Daejeon, Republic of Korea ABSTRACT The thermodynamic effects on the suction performance of a liquid oxygen (LOX...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A023, July 28–August 1, 2019
Paper No: AJKFluids2019-4831
... Abstract Empirical wear coefficients are used in concert with computational fluid dynamics (CFD) codes which model highly loaded slurry flows through centrifugal pumps in order to predict erosive wear in wet-end components. In practice, separate sets of wear coefficients are used to determine...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A034, July 28–August 1, 2019
Paper No: AJKFluids2019-5371
... Abstract The purpose of this paper is to present optimization method of an inducer blade shape to improve its suction performance and clarify the relationship between pump performance and design parameters. In order to conduct the optimization process a response surface based optimization...
Proceedings Papers

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A029, July 28–August 1, 2019
Paper No: AJKFluids2019-5183
... Abstract Annular linear induction pump (ALIP) is an ideal type of pump applied as the nuclear coolant pump for the sodium-cooled faster reactor (SFR). However, the operation will suffer from serious unstable problems when the pump size is increased and run at certain working conditions. A 3d...
Proceedings Papers

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, V01BT10A032, July 7–11, 2013
Paper No: FEDSM2013-16496
... Through analyzing the change in velocity triangles at the inlet and exit of pump impeller with blade adjusting, and the flow behaviors in the pump passage the pump blade adjusting formulae were derived which reflect the similarity of flow and pumping head with the blade angles adjusted. Based...
Topics: Blades, Pumps
Proceedings Papers

Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 35-42, July 24–29, 2011
Paper No: AJK2011-06008
... The three-dimensional flow inside a mixed-flow pump system was simulated by using CFX software. The Shear Stress Transport turbulent equation which combined k-ε and k-ω turbulent model was applied. The flow field in volute and discharge passage of the pump system was obtained...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 793-795, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30969
... The mixing of two or more liquids is very common in many industrial applications. In some cases the liquids are set on the pump inlet. The mixing process of two non-isothermal fluids in a pump is investigated in the presented work. Different pump geometries have been studied with comparison...
Proceedings Papers

Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 141-150, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30186
... A numerical comparison of a conventional pump in pump and pump as turbine (PAT) mode is presented. The numerical simulation is carried out with ANSYS CFX software by means of steady state analysis. Through CFD analysis, the relationship of two modes’ performance characteristics, volumetric...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 381-387, August 2–6, 2009
Paper No: FEDSM2009-78395
... 30 07 2010 The mixing of two or more liquids is very common in many industrial applications. In some cases the liquids set on the pump inlet. The mixing process of two fluids in a pump is investigated in the presented work. Different pump geometries have been studied with comparison...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 339-347, August 2–6, 2009
Paper No: FEDSM2009-78308
... 30 07 2010 LES (Large Eddy Simulation) with a cavitation model was performed to calculate an unsteady flow for a mixed flow pump with a closed type impeller. First, the comparison between the numerical and experimental results was done to evaluate a computational accuracy. Second...
Proceedings Papers

Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 35-40, August 2–6, 2009
Paper No: FEDSM2009-78052
... 30 07 2010 Pump failure in a pipeline system can occur for several reasons and this undesirable event causes waterhammer phenomenon. While designing a pipeline system, minimum and maximum pressures caused by waterhammer and the variation of the pressure along the pipeline with respect...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 2: Fora, 247-253, August 10–14, 2008
Paper No: FEDSM2008-55303
... 10 07 2009 The oscillations of pump performance parameters like head and power corresponding to a wide range of flow-rate values are investigated in the present paper. A centrifugal double suction industrial pump is studied with comparison of test, steady state and averaged transient...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 1125-1129, August 10–14, 2008
Paper No: FEDSM2008-55061
... 10 07 2009 Solid handling pumps are used in Sewage applications, Slurry transportation, transportation of floating solids etc. Many manufacturers supply such solid handling pumps for different applications. Few of the manufactures have test facility to study the impact of solid...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 947-955, July 30–August 2, 2007
Paper No: FEDSM2007-37509
... 26 03 2009 Vortex in pump station sumps could lead to equipment operation with vibration and cavitations, and its impact is even stronger in large scale pump station sumps. In this study, the flow structure and vortex behavior in the sumps of a large scale pump station were...
Proceedings Papers

Proc. ASME. FEDSM2002, Volume 1: Fora, Parts A and B, 267-274, July 14–18, 2002
Paper No: FEDSM2002-31324
... Among the losses arising in low specific speed pumps, the disc friction and leakage losses are especially important. These losses arise due to the flow through unavoidable gaps and side spaces (SS) between impeller and casing. To predict these losses, normally simple correlations and empirical...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 85-93, July 11–15, 2004
Paper No: HT-FED2004-56032
... This paper presents a detailed hydraulic analysis of the effects of the casing eye rib on a pump operating as a turbine. It describes a flow-zone approach within a pump as turbine and lays out the build up for the experimental and numerical techniques applied. The pump as turbine exhibits very...
Proceedings Papers

Proc. ASME. FEDSM2005, Volume 2: Fora, 125-131, June 19–23, 2005
Paper No: FEDSM2005-77460
... A pump with a specific speed of 12000 was chosen to operate as a turbine (PAT) for a micro-hydro site having 5 m of head. Turbine performance of the pump was unavailable so it was simulated using CFD. The CFD model was first verified by comparison of simulated pump performance and manufacturer...
Proceedings Papers

Proc. ASME. FEDSM2005, Volume 1: Symposia, Parts A and B, 1535-1541, June 19–23, 2005
Paper No: FEDSM2005-77004
... Cavitation in pumps is a well-known phenomenon that occurs when local static pressure approaches vapor pressure for the working fluid. The flowing fluid under this condition changes its phase from liquid to gas and form bubbles. These bubbles travel along with flowing fluid and reach a zone...
Proceedings Papers

Proc. ASME. FEDSM2006, Volume 1: Symposia, Parts A and B, 695-700, July 17–20, 2006
Paper No: FEDSM2006-98004
... 08 09 2008 Solid handling pumps are used in managing sewage and other solid materials that could flow along with the water or any other fluid. The design of solid handling pump components is also deviating significantly from clear water pump components. The flow passages need...