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A Method for Calculating Axial Turbomachine End Wall Turbulent Boundary Layers PUBLIC ACCESS

[+] Author Affiliations
Kang Shun, Liu Fengjun, Wang Zhongqi

Harbin Institute of Technology, Harbin, People’s Republic of China

Paper No. 89-GT-15, pp. V001T01A007; 7 pages
doi:10.1115/89-GT-15
From:
  • ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Toronto, Ontario, Canada, June 4–8, 1989
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7913-9
  • Copyright © 1989 by ASME

abstract

Based on two families of relative stream-surface theory, the differential and integral equations of the endwall boundary layer in the S2 stream surface (hub to tip stream surface) have been established in the orthogonal curvilinear coordinate system in the present paper. By directly associating the blade force defects with the warping of S2 stream surface near the endwall, we have proposed a new method for predicting the endwall boundary layer. This method can be used to conduct the interactions of the end wall boundary layer with the S2 stream surface potentisl flow, in order to get the iterative solution of the end wall boundary layer flow with the potential flow in S2 stream surface. The predicted results have shown that the present method is acceptable.

Copyright © 1989 by ASME
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