please explain and show all work for rating. Air is expanded in an adiabatic tur

Question

please explain and show all work for rating.

Air is expanded in an adiabatic turbine of 8 5 percent isentropic efficiency from an inlet state of 2200 kP a and 300 degree C to an outlet pressure of 200 kPa. Calculate the outlet temperature of air and the work produced by this turbine per unit mass of air Given Isentropic efficiency o f the turbine is, eta = 85%= 0.85 Inlet temperature o f air is. T1 = 300 degree C = 573 K Inlet pressure o f air is, P1 = 2200 kPa Exit pressure o f air is, P2 = 200 kPa Provide feedback (0) As air is an ideal gas from ideal gas specific heats of gases the properties o f air at an average temperature T sigmac =400 Kare Cf = 1.013 kJ/kg K k = 1.395

Explanation / Answer

For a saturated steam of pressure 200kPa = 2bar, Temperature = 121degC = approximately 400K

Refer steam tables

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