In an ideal vapour compression refrigeration cycle, the specific enthalpy of refrigerant (kJ/kg) at the following stages is given as Inlet of condenser = 283 Outlet of condenser = 116 Exit of evaporator = 232
2.27
Throttling preserves enthalpy, so \(h_4=h_3=116\ \mathrm{kJ/kg}\). The refrigerating effect is \(232-116=116\ \mathrm{kJ/kg}\) and compressor work is \(283-232=51\ \mathrm{kJ/kg}\).
\(\mathrm{COP}=\frac{116}{51}\approx2.27\)
Important Questions from Refrigeration Cycles and Devices
The refrigeration plants are charged by refrigerants from the cylinder at the _____.
In actual refrigeration systems, the compressor handles vapours only. What is this process commonly referred to as?
The condensing temperature in a refrigerator is the temperature _____.
In a vapour compression refrigeration system, liquid to the suction heat exchanger is used to
A hermetically sealed unit implies ____.
