...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...

...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...

... 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 the contributions of sliding...

...3D MODELING OF UNSTEADY FLOW CHARACTERISTICS IN ALIP PUMP Ruijie Zhao1, Heng Miao, Desheng Zhang, Jun Huang, Xiongfa Gao Research Center of Fluid Machinery Engineering and Technology, Jiangsu University Zhenjiang, China ABSTRACT Annular linear induction pump (ALIP) is an ideal type of pump applied...

... between pump performance and design parameters. In order to conduct the optimization process a response surface based optimization framework was established. Baseline was designed in previous research [1]. The inducers were 3Dprinted in ABS plastic and their wetted and cavitating characteristics were...

... 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...

... 06 06 2012 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...

... 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...

... 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...

... 1 Copyright © 2009 by ASME Proceedings of the ASME 2009 Fluids Engineering Division Summer Meeting FEDSM2009 August 2-6, 2009, Vail, Colorado, USA FEDSM2009-78308 NUMERICAL SIMULATION OF CAVITATING FLOW IN MIXED FLOW PUMP WITH CLOSED TYPE IMPELLER Katsutoshi Kobayashi Hitachi, Ltd. Mechanical...

...Proceedings of FEDSM2009 ASME 2009 Fluids Engineering Division Summer Meeting August 2-6, 2009, Vail, Colorado FEDSM2009-78052 EXPERIMENTAL INVESTIGATION OF THE COMPLETE CHARACTERISTICS OF ROTODYNAMIC PUMPS Erkan Ayder Faculty of Mechanical Eng., ITU stanbul, Türkiye aydere@itu.edu.tr Ayhan N...

... 1 Proceedings of FEDSM2009 ASME 2009 Fluids Engineering Division Summer Meeting August 2-5, 2009, Vail, Colorado USA FEDSM2009-78395 PUMP MIXING PROCESS CALCULATIONS Mikhail P. Strongin R&CW, ITT Morton Grove, IL USA Email: Mikhail.Strongin@itt.com ABSTRACT The mixing of two or more liquids...

... 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...

... 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...

... 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 of ASME FEDSM´02 2002 ASME Fluids Engineering Division Summer Meeting Montreal, Canada, on July 14 18, 2002 T B e it 8 15 .t fr may have an essential impact on the losses of centrifugal pumps. INTRODU For de friction and found in th influence o are intended spaces betw pumps by s...

... (IWK), University of Karlsruhe, Kaiser Str. 12, D 76128, Karlsruhe, Germany Natanasabapathi / Kirloskar Brothers Limited (KBL), Udyog Bhavan, Tilak Road, Pune-411002, India ABSTRACT This paper presents a detailed hydraulic analysis of the effects of the casing eye rib on a pump operating as a turbine...

... 14 10 2008 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...

... 14 10 2008 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...

... 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...