A vapour compression system using NH$_{3}$ works between -15$^{\circ}$C and 40$^{\circ}$C as evaporator and condenser temperature respectively.

950views

written 6.8 years ago by

shaikhrehan227 • 420

modified 3.6 years ago by

sagarkolekar ★ 11k

The vapour is superheated by 5˚C before entering compressor and liquid is subcooled by 5˚C.Using P-h chart Determine i) COP (ii) Mass of refrigerant per TR (iii) Piston displacement per TR using volumetric efficiency = 80% (iv)Heat rejected in the condenser per TR (iv) Ideal C.O.P .

refrigeration and air conditioning

ADD COMMENT EDIT