An Experimental Study of Coolant Combustion Effects in Transpiration Cooling PUBLIC ACCESS

[+] Author Affiliations
J. P. C. Jenczmionka, R. L. Gorton

Kansas State University, Manhattan, KS

Paper No. 71-GT-72, pp. V001T01A072; 8 pages
  • ASME 1971 International Gas Turbine Conference and Products Show
  • ASME 1971 International Gas Turbine Conference and Products Show
  • Houston, Texas, USA, March 28–April 1, 1971
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7982-5
  • Copyright © 1971 by ASME


Hydrogen, ammonia, and nitrogen coolants were used in a study of combustion effects on transpiration cooling. It was found that hydrogen combustion at low coolant blowing rates resulted in increased porous surface temperatures. However, at higher blowing rates (F > 0.002), hydrogen was more effective in surface temperature reduction than the other coolants. It is demonstrated that assumption of temperature equality of coolant and wall leads to erroneous results in heat transfer determination.

Copyright © 1971 by ASME
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