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A Simple Leakage Flow Model Including Viscous Effect

[+] Author Affiliations
Yuping Qian, Jian Cui, Chaoqing Chen, Yifang Gong, Qiushi Li

Beijing University of Aeronautics and Astronautics, Beijing, China

Paper No. IMECE2011-63415, pp. 611-617; 7 pages
doi:10.1115/IMECE2011-63415
From:
  • ASME 2011 International Mechanical Engineering Congress and Exposition
  • Volume 4: Energy Systems Analysis, Thermodynamics and Sustainability; Combustion Science and Engineering; Nanoengineering for Energy, Parts A and B
  • Denver, Colorado, USA, November 11–17, 2011
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5490-7
  • Copyright © 2011 by ASME

abstract

The tip leakage flow rate can be directly linked to the loss and stall margin. In this paper, key factors affecting the tip leakage flow rate are explained based on a simple leakage flow model including viscous effect. Based on the numerical results, the flow model is verified in a low speed compressor rotor, and finally a simplified one-dimensional tip blockage model is established based on the Khalid’s model, which may be helpful in the design of compressor.

Copyright © 2011 by ASME
Topics: Leakage flows

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