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7. (20 Points) Consider an ideal, open/simple-cycle gas turbine, operating on Brayton cycle. The ambient pressure and temperature is 27C and 1 atm. The

7. (20 Points) Consider an ideal, open/simple-cycle gas turbine, operating on Brayton cycle. The ambient pressure and temperature is 27C and 1 atm. The maximum cycle temperature is limited to 1600C. Calculate (1) the optimal pressure ratio when net specific power output is maximum, (2) maximum value for net specific power output, (3) corresponding cycle efficiency.

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