Question 12.22: In a simple vapour compression cycle, following are the prop...
In a simple vapour compression cycle, following are the properties of the refrigerant R-12 at various points :
Compressor inlet : h_{2} = 183.2 kJ/kg v_{2} = 0.0767 m³/kg
Compressor discharge : h_{3} = 222.6 kJ/kg v_{3} = 0.0164 m³/kg
Compressor exit : h_{4} = 84.9 kJ/kg v_{4} = 0.00083 m³/kg
The piston displacement volume for compressor is 1.5 litres per stroke and its volumetric efficiency is 80%. The speed of the compressor is 1600 r.p.m.
Find : (i) Power rating of the compressor (kW) ;
(ii) Refrigerating effect (kW). (GATE)
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