8-63 Steam enters an adiabatic turbine at 6 MPa, 600°C, and 80 m/s and leaves at 50 kPa, 100°C, and 140 m/s. If the power output of the turbine is 5 MW, determine a) the reversible power output and b) the second-law efficiency of the turbine. Assume the surroundings to be at 25°C. | |
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