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S225-Explain with neat sketch inter cooling method used to improve the thermal efficiency of a open cycle gas turbine point.
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Methods to improve thermal efficiency of gas turbine
1) Regeneration – This is done by preheating the compressed air before entering to the combustion chamber with the turbine exhaust in a heat exchanger, thus saving fuel consumption.
2) Reheating : The whole expansion in the turbine is achieved in two or more stages & reheating is done after each stage. That increase in work done.
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