Question

In: Mechanical Engineering

A refrigerant plant of 100 TR capacity uses R-22 as refrigerant. The condensing and evaporating pressure...

A refrigerant plant of 100 TR capacity uses R-22 as refrigerant. The condensing and

evaporating pressure are 11.82 bar and 1.64 bar, respectively. The refrigerant enters the

compressor at dry saturated state, whereas it leaves the condenser, subcooled by 10°C.

Actual COP is 70% of its theoretical value. Find the following:

a) Theoretical and actual COP

b) Mass flow in kg/s

c) Compressor power.

Solutions

Expert Solution

the properties of R-22 at given states are found from properties table of R-22 by linear interpolation


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