Example: Heat Pump

A house is heated with a vapour compression heat pump Refrigerant $22$ as

the working fluid.

The inside air temperature is $20[^($@$)$C$],$ the outside air temperature is $5[^($@$)$C$].$

Saturated vapour at the evaporator exit

Saturated liquid at the condenser exit

Specify the appropriate evaporator and condenser pressures for the heat

pump:

Assume air$-$refrigerant temperature differences of at least $10[^($@$)$C$]$

Determine:

The power input to the compressor.

The cooling power.

The COP

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