Low- and High-Speed Cascade Tests of Air-Cooled Turbine Blades PUBLIC ACCESS

[+] Author Affiliations
T. Yoshida, M. Minoda, K. Sakata, H. Nouse, K. Takahara, M. Matsuki

National Aerospace Laboratory, Tokyo, Japan

Paper No. 76-GT-40, pp. V01AT01A040; 14 pages
  • ASME 1976 International Gas Turbine and Fluids Engineering Conference
  • Volume 1A: General
  • New Orleans, Louisiana, USA, March 21–25, 1976
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7974-0
  • Copyright © 1976 by ASME


Two-dimensional turbine cascade tests have been carried out in order to make sure of aerodynamic and cooling performances and study the influence of the coolant ejection from the blade surface of the air-cooled turbine cascade in advance of their application to high temperature turbines. Several kinds of air-cooled nozzle and rotor blades have been tested in two cascade wind tunnels of different types. Chordwise distributions of the cooling effectiveness, mean cooling effectivenesses, iso-thermal contours on the blade surface by infrared thermal cameras, and the effects of coolant ejection on the aerodynamic performance are presented.

Copyright © 1976 by ASME
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