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Question: air expands through a turbine from 10 bar 900 k...

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Air expands through a turbine from 10 bar, 900 K to 1 bar, 500 K. The inlet velocity is smal compared to the exit velocity of 100 m/sec. The turbine operates at steady state and develops a power output of 3200 kW. Heat transfer between the turbine and its surroundings and PE effects are negligible. Calculate the mass flow rate of are in kg/sec and exit area in m2.

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