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Numerical Optimization Research on the Bidirectional Shaft Tubular Pump

[+] Author Affiliations
Rongsheng Xie, Fangping Tang, Lijian Shi, Chuanliu Xie, Lianlian Tu

Yangzhou University, Yangzhou, China

Paper No. AJKFluids2015-02758, pp. V01AT02A012; 4 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 KSME


The geometric parameterization model for passage inlet and outlet is solved by controlling the dimensions of each composing section, so that it will be convenient to get new model by changing the dimensions above. Base on Reynolds average N-S equations, RNG k-ε turbulent model, the hydraulic performance of bidirectional shaft tubular pumping station is simulated with the commercial CFD software. The result shows that the efficiency and the head is higher when shaft front positioned. The hydraulic loss of each part is analyzed according to the micro element method, the conclusion below can be drawn: the hydraulic loss of the shaft tubular and straight passage is small when they used for inlet passage, and mainly for frictional head loss; with the effect of circulation and spread section, the flow is easy to take off, so the hydraulic loss is lager. The hydraulic loss has a significantly reduced than the original case by adjusting the hull lines of the flow passage, The efficiency of the simulation up to 72% at positive condition, and to 57.9% at reverse condition, the efficiency of model test up to 70.4% at positive condition, and to 56.2% at reverse condition.

Copyright © 2015 by KSME



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