Question

a turbine flows 10 kg / s superheated steam with the pressure 20 bar and temperatures...

a turbine flows 10 kg / s superheated steam with the pressure 20 bar and temperatures 400 C. The steam is expanded in the turbine to a pressure of 4 bar (superheated steam).
Calculate the turbine's internal power (shaft power) if the isentropic efficiency is 80%.

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