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The Investigation of Turbine and Exhaust Interactions in Asymmetric Flows: Part 1 — Blade-Row Models Applied

[+] Author Affiliations
J. J. Liu, T. P. Hynes

University of Cambridge, Cambridge, UK

Paper No. GT2002-30342, pp. 169-177; 9 pages
doi:10.1115/GT2002-30342
From:
  • ASME Turbo Expo 2002: Power for Land, Sea, and Air
  • Volume 5: Turbo Expo 2002, Parts A and B
  • Amsterdam, The Netherlands, June 3–6, 2002
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-3610-X | eISBN: 0-7918-3601-0
  • Copyright © 2002 by ASME

abstract

Part 1 of this paper describes the blade-row models applied to the asymmetric flow field coupling between turbine and exhaust system. Numerical actuator is applied to represent a turbine blade row around whole annulus and flow properties across the disc can jump to achieve required flow turning and entropy rise. The derivation of disc boundary conditions and the implementation in CFD solvers are described in detail. Validation of the actuator disc model and sample application of the present numerical approach are presented.

Copyright © 2002 by ASME

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