Engineering, 04.04.2020 13:58 camila68

9–143E An ice-making machine operates on the ideal vapor-compression cycle, using refrigerant-134a. The refrigerant enters the compressor as saturated vapor at 20 psia and leaves the condenser as saturated liquid at 80 psia. Water enters the ice machine at 558F and leaves as ice at 258F. For an ice production rate of 15 lbm/h, determine the power input to the ice machine (169 Btu of heat needs to be removed from each lbm of water at 558F to turn it into ice at 258F).

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9–143E An ice-making machine operates on the ideal vapor-compression cycle, using refrigerant-134a....