A SSS vapour compression refrigeration system based on refrigerant R 134a operates between an evaporator temperature of -25oC and a condenser temperature of 50oC. Assuming isentropic compression, find:
a) COP of the system
b) Work input to compressor
c) Area of superheat horn (additional work required due to superheat)Throttling loss (additional work input due to throttling in place of isentropic expansion)assuming the isobar at condenser pressure to coincide with saturated liquid line.