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Aerodynamics and Heat Transfer in a Turbine Blade at Design and Off-Design Angles of Incidence

[+] Author Affiliations
C. Xu, R. S. Amano

University of Wisconsin-Milwaukee, WI

Paper No. 2000-GT-0210, pp. V003T01A018; 10 pages
  • ASME Turbo Expo 2000: Power for Land, Sea, and Air
  • Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Munich, Germany, May 8–11, 2000
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7856-9
  • Copyright © 2000 by ASME


A novel numerical method was developed to deal with the studies of the aerodynamic and heat transfer of flow passing through blade cascades at both design and off-design conditions. The Navier-Stokes equations are discretized and integrated in a coupled manner in this study. The time-marching was achieved by using time integration approach in the present method. The flux terms are discretized based on a cell finite volume formulation as well as a flux-difference splitting. The flux-difference splitting can ensure the scheme with rapid convergence and the finite volume technique can ensure the equation for the conservation of mass, momentum and energy. A hybrid difference scheme for quasi-three-dimensional procedure based on the discretized and integrated Navier-Stokes equations as developed to study flow and heat transfer in turbine blade passages. The numerical method possesses the positive features of the explicit and implicit algorithms, providing a relatively rapid convergence process and having a less restricted stability constraint. The computed results were compared with other numerical study results and experiments and showed fairly good agreement.

Copyright © 2000 by ASME



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