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Unformatted text preview: refrigerant at the exit of the throttling device is 1.8 bar. The refrigerant then enters a heat exchanger in which it is heated to saturated vapor at 1.8 bar. The volumetric flow rate at the exit of the heat exchanger is 500 L/min. The refrigerant leaving the heat exchanger is adiabatically compressed to 7 bar and 50 C. (a) What is the temperature ( C) at the exit of the throttling valve? (b) Calculate the rate of heat transfer (kJ/min) in the heat exchanger. (c) How much power (kW) is required to run the compressor?...
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- Spring '08