12-81E Argon gas enters a turbine at 1000 psia and 1000 R with a velocity of 300 ft/s and leaves at 150 psia and 500 R with a velocity of 450 ft/s at a rate of 12 lbm/s. Heat is being lost to the surroundings at 75°F at a rate of 80 Btu/s. Using the generalized charts, determine ( a) the power output of the turbine and ( b) the exergy destruction associated with the process. Answers: ( a) 922 hp, ( b) 121.5 Btu/s | |
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