An Investigation of Convective Heat Transfer in a Rotating Coolant Channel PUBLIC ACCESS

[+] Author Affiliations
J. O. Medwell, W. D. Morris, J. Y. Xia, C. Taylor

University College, Swansea, Singleton Park, Swansea, UK

Paper No. 90-GT-329, pp. V004T09A036; 8 pages
  • ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Brussels, Belgium, June 11–14, 1990
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7907-8
  • Copyright © 1990 by ASME


A numerical method is presented for the determination of heat transfer rates in a cylindrical cooling duct within turbine blades which rotate about an axis orthogonal to its own axis of symmetry.

The equations of motion and energy are solved in conjunction with the k-ε model of turbulence using the finite element method. The predicted results are compared with experimental data and it is clearly demonstrated that conduction in the solid boundary must be taken into account if satisfactory agreement is to be achieved.

Excluding these effects can lead to an over-estimation of the maximum wall temperature by approximately 50%.

Copyright © 1990 by ASME
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