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

[+] Author Affiliations
Toru Shigemitsu, Hirotaka Shinohara, Takumi Matsubara, Junichiro Fukutomi

Tokushima University, Tokushima, Japan

Paper No. AJKFluids2015-33315, pp. V01AT33A004; 7 pages
  • ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
  • Volume 1A: Symposia, Part 2
  • Seoul, South Korea, July 26–31, 2015
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5721-3
  • Copyright © 2015 by JSME


Fluid machineries for fluid food have been used in wide variety of field i.e. transportation, filling, and improvement of quality of fluid food. Although, flow conditions of these are quite complicated because fluid food is different from water. Therefore, a design method based on the internal flow conditions is not conducted. In this research, turbo-pump having small number of blade was used to decrease shear loss and keep wide flow passage. The flow phenomena were not clarified in detail, although, it was found that internal flow condition was complex in the test pump in previous studies. In order to investigate the complex internal flow condition, the unsteady numerical analysis using low viscous fluid was conducted. In this paper, the internal flow conditions at each axial position of the centrifugal pump having semi-open impeller were investigated by the numerical analysis results. In addition to that, the influence of the internal flow conditions on its head was clarified.

Copyright © 2015 by JSME



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