A Review of NASA Combustor and Turbine Heat Transfer Research PUBLIC ACCESS

[+] Author Affiliations
Richard A. Rudey, Robert W. Graham

NASA Lewis Research Center, Cleveland, OH

Paper No. 84-GT-113, pp. V004T09A009; 11 pages
  • ASME 1984 International Gas Turbine Conference and Exhibit
  • Volume 4: Heat Transfer; Electric Power
  • Amsterdam, The Netherlands, June 4–7, 1984
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7949-8
  • Copyright © 1984 by ASME


The thermal design of the combustor and turbine of a gas turbine engine poses a number of difficult beat transfer problems. In current designs, there is substantial evidence to indicate that the capability for estimating critical metal temperatures lacks the needed certainty for reliable design practice. Such uncertainty has cost much in terms of money and development time for the newer engines now installed in United States aircraft. The importance of improved prediction techniques becomes more critical in anticipation of future generations of gas turbine engines which will operate at higher cycle pressure and temperatures. Costly development modifications will have to be avoided by being able to predict metal temperatures more accurately.

Research which addressses many of the complex heat transfer processes holds promise for yielding significant improvements in prediction of metal temperatures. Such research involves several kinds of programs including: 1) basic experiments which delineate the fundamental flow and heat transfer phenomena that occur in the hot sections of the gas turbine but at low enthalpy conditions; 2) analytical modeling of these flow and heat transfer phenomena which result from the physical insights gained in experimental research; and 3) verification of advanced prediction techniques in facilities which operate near the real engine thermodynamic conditions.

In this paper, key elements of the NASA program which involves turbine and combustor heat transfer research will be described and discussed. Research conducted within in the laboratories of the NASA Lewis Research Center and sponsored research being performed by universities and industrial laboratories will be included in this review.

Copyright © 1984 by ASME
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