A heat pump with refrigerant 1 3 4 a as the working fluid is used to keep

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Question:

A heat pump with refrigerant

134

a as the working fluid is used to keep a space in

23

deg C by absorbing heat from geothermal water that enters the evaporator at

60

deg C at a rate of

0.045

/

s and leaves a

45

deg C

.

The refrigerant enters the evaporator at

20

deg C with a quality of

15 %

and leaves at the samw pressure as saturated vapor. If the compressor consumes

1.3

kw of power, determine

(

)

the evaporator pressure and the mass flow rate of the refrigerant and

(

)

the heating load and the COP. Take the specke heat of mater to be

4.18

/

kg deg C

Posted Date: May 18, 2024 06:48 AM

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A heat pump with refrigerant 1 3 4 a as the working fluid is used to keep

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