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ECN publication
Title:
The chemical gas turbine: thermodynamic considerations
 
Author(s):
Korobitsyn, M.A.; Arai, N.; Furuhata, T.
 
Published by: Publication date:
ECN 1-12-1999
 
ECN report number: Document type:
ECN-RX--99-009 Article (scientific)
 
Number of pages:
5  

Published in: Paper presented at the 23rd National Heat Transfer Symposium, Kumamoto, Japan, May 26-28, 1999 (), , , Vol., p.-.

Abstract:
Modern gas turbines extensively employ air cooling to reach high turbineinlet temperatures. However, cooling causes losses in the gas turbine cycle. The use of carbon-fibre reinforced carbon composites in turbine blades allows operation at very high temperatures without the cooling losses. The sensitivity of the carbon composites to the presence of oxygen requires a fuel-rich atmosphere, which is created in the first stage of the Chemical Gas Turbine. This paper deals with the thermodynamics of a combined-cycle plant based on the Chemical Gas Turbine. The cycle was evaluated and optimized, and a basic exergy analysis was carried out. The results showed a high efficiency of the proposed cycle and indicated ways for further improvement. 7 refs.


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