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A gas turbine receives 10 kg/s of helium and expands it polytropically (n = 1.8) from...

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Mechanical Engineering

A gas turbine receives 10 kg/s of helium and expands itpolytropically (n = 1.8) from 1100K and 600 kPa to 100 kPa.Determine the power produced, the entropy change of the heliumthrough the gas turbine (kW/K) and the entropy change of thesurroundings (kW/K).

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