an air conditioner with r-134a as the working fluids is used to keep a room at a

Question

an air conditioner with r-134a as the working fluids is used to keep a room at a constant 26 degrees C by rejecting the waste heat to the outdoor air at 34 degress C. The room gain heat through the walls and the windows at a rate of 250 KJ/min while the heat generated by the computer, TV, and lights amounts to 900 W. The refrigerant enter the adiabatic compressor at 500 kPa as saturated vapor at a rate of 100 L/min and leaves at 1200 kPa and 50 degress C. note: compressor work is the work input to this refrigerator (air conditioner)

find:

1- MAX COPr

5- rate of m (kg/sec)

6- rate of W (kW)

8- COPr

Explanation / Answer

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