Question: The refrigerant fluid R-21 (see Table A.2) is to be used as the working fluid in a solar energy powered Rankine-cycle type power plant. Saturated

The refrigerant fluid R-21 (see Table A.2) is to be used as the working fluid in a solar energy powered Rankine-cycle type power plant. Saturated liquid R-21 enters the pump, state 1, at 25oC, and saturated vapor enters the turbine, state 3, at 88oC. For R-21: CP0 = 0.582 kJ/kg K and find the boiler heat transfer q23 and the thermal efficiency of the cycle.

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R21 To4516 K Pc518 MPa M 102925 kgkmol R 008079 kJkgK State 1 T 25C x 0 From D1 and D2 Tr1066 ... View full answer

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