Investigation of the Heat Transfer in High Temperature Gas Turbine Vanes PUBLIC ACCESS

[+] Author Affiliations
Tomohiko Sato, Kenichiro Takeishi

Mitsubishi Heavy Industries, Ltd., Takasago, Japan

Paper No. 87-GT-137, pp. V004T09A015; 8 pages
  • ASME 1987 International Gas Turbine Conference and Exhibition
  • Volume 4: Heat Transfer; Electric Power
  • Anaheim, California, USA, May 31–June 4, 1987
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7926-9
  • Copyright © 1987 by ASME


The demand for higher efficiency, higher temperature industrial gas turbines used for the combined cycle plants has increased. The key technology of such high-temperature gas turbines with a turbine inlet temperature of 1300°C is the development of reliable air-cooled turbine vanes and blades. The life prediction of such air-cooled turbine vanes is strongly dependent on an accurate prediction of the metal temperature. The problem of temperature prediction is essentially one of obtaining the convective heat transfer boundary conditions on the external and internal surfaces of the vane. In this paper, typical heat transfer data which are indispensable for the analysis, are presented. Improvement of the temperature prediction accuracy within 25°C, the final goal, is sought by feeding the discrepancy between the cascade test and the analysis back into the fundamental heat transfer tests.

Copyright © 1987 by ASME
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