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Title:
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The chemical gas turbine: thermodynamic considerations
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Author(s):
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Published by:
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Publication date:
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ECN
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1-12-1999
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ECN report number:
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Document type:
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ECN-RX--99-009
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Article (scientific)
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Number of pages:
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5
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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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