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Someone climes that he develops a new turbine that can achieve the performance as described here....

Someone climes that he develops a new turbine that can achieve the performance as described here. Air expands through the turbine from 8 bar, 900 K to 1 bar, 400 K. The inlet velocity is small compared to the exit velocity of 100 m/s. The turbine operates at steady state and develops a power output of 3200 kW. Heat transfer between the turbine and its surroundings and potential energy effects are negligible. (Please treat the air as ideal gas with cp=1.001 kJ/kg?K and cv=0.714 kJ/kg?K)

Is the above claim physically sound or not?

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