Air enters the compressor of an ideal gas refrigeration

Chapter 11, Problem 70P

(choose chapter or problem)

Air enters the compressor of an ideal gas refrig-eration cycle at \(7^{\circ} \mathrm{C} and 35 \mathrm{kPa}\)  and the turbine at \(37^{\circ} \mathrm{C} and 160 \mathrm{kPa}\). The mass flow rate of air through the cycle is \(0.2 \mathrm{~kg} / \mathrm{s}\). Assuming variable specific heats for air, determine

 

 the rate of refrigeration,

 the net power input, and

 the coefficient of performance.

Equation Transcription:

     

     

   

Text Transcription:

7°C and 35kPa    

37°C and 160kPa    

0.2 kg/s  

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