Coal-Burning Exhaust-Heated-Cycle Gas Turbine With a Regenerative Heat Exchanger PUBLIC ACCESS

[+] Author Affiliations
David Gordon Wilson, Richard Gregory Frenkel, David Jude Kowalick, Harry Michael Nahatis, Seth Michael Silverstein, Luis Alberto Tampe

Massachusetts Institute of Technology, Cambridge, MA

Paper No. 91-GT-342, pp. V003T05A014; 7 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7900-9
  • Copyright © 1991 by ASME


A preliminary design study of four coal-burning gas-turbine engines using the exhaust-heated cycle and state-of-the-art components has been completed. In the exhaust-heated cycle the combustor takes air from the turbine exhaust and delivers hot combustion products to a heat exchanger. In the program reported here a rotary ceramic-matrix regenerator is used; in it the temperature of the compressor-delivery air is raised to that required at the turbine inlet. Some initial experiments on the flow of hot coal-combustion products through ceramic passages and of cold ash-laden air through a rotary ceramic-matrix regenerator have been conducted. Highly favorable results have been obtained on all aspects on which definite conclusions could be drawn.

Copyright © 1991 by ASME
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