Water and refrigerant R-12 are the working fluids in a binary cycle. In the steam cycle, superheated vapor enters the turbine with a mass flow rate of 5 kg/s at 4 MPa, 470C and expands isentropically to 150 kPa. The steam passes through a heat exchanger, which serves as the boiler for the refrigerant cycle and the condenser of the steam cycle. The condensate leaves the heat exchanger as saturated liquid at 150 kPa, Refrigerant 12 is in an ideal Rankine cycle with refrigerant entering the turbine at 1.5 MPa, 101C and saturated liquid leaving the condenser at 800 kPa. Determine (a) the rate of heat transfer to the working fluid passing through the steam generator of the steam cycle, (b) the net power output of the binary cycle, (c) the mass flow rate of the refrigerant and (d) the rate of heat transfer to the refrigerant cycle.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Water and refrigerant R-12 are the working fluids in a binary cycle. In the steam cycle, superheated vapor enters the turbine with a mass flow rate of 5 kg/s at 4 MPa, 470C and expands isentropically to 150 kPa. The steam passes through a heat exchanger, which serves as the boiler for the refrigerant cycle and the condenser of the steam cycle. The condensate leaves the heat exchanger as saturated liquid at 150 kPa, Refrigerant 12
is in an ideal Rankine cycle with refrigerant entering the turbine at 1.5 MPa, 101C and saturated liquid leaving the condenser at 800 kPa. Determine (a) the rate of heat transfer to the working fluid passing through the steam generator of the steam cycle, (b) the net power output of the binary cycle, (c) the mass flow rate of the refrigerant and (d) the rate of heat transfer to the refrigerant cycle.

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