Table 1.

Design background specifications.

Compartment	Parameters	Values/Specification
A	Refrigerant	R-134a (Tetrafluoroethane)
	Refrigerant mass flowrate	0.001 kg/s
B	Dryer temperature	50 °C
	Length of dryer box	0.5 m
	Width of dryer box	0.5 m
	Height of dryer box	1.0 m
	Heat required in the dryer	0.1659 Kw
	Length of dryer hanging rod	0.5 m
	Gap between dryer roof and hanger rod	0.03 m
C	Cold space (evaporator box) temperature	5 °C
	Length of cold space	0.5 m
	Width of cold space	0.5 m
	Height of cold space	0.7 m
	Evaporator temperature	-2 °C
	Evaporator superheat temperature	5 °C
D	Condenser temperature	52 °C
	Condenser sub-cooled temperature	43 °C