Question

A gas-turbine power plant operating on a simple Brayton cycle has a pressure ratio of 12. The

gas temperature is 300 K at the compressor inlet and 1500 K at the turbine inlet. Assuming a

compressor efficiency of 80 percent and a turbine efficiency of 85 percent, determine (a) the gas

temperature at the exits of the compressor and the turbine, (b) the back-work ratio, and (c) the

thermal efficiency of the cycle.

Answer 1

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