An Ammonia vapor compression refrigerator has an effective swept volume of 0.308 m3 /min. The condensation and evaporation takes place at 28.9°C and -12.2°C, respectively. There is no undercooling and the gas temperature after compression is 48.9°C. Determine the following. (a) Dryness fraction of vapor entering the compressor (b) Rate of circulation of ammonia in kg/min (c) Rate of extraction of heat in kJ/min (d) Heat rejected in condenser per minute

An Ammonia vapor compression refrigerator has an effective swept volume of 0.308 m3 /min. The condensation and evaporation takes place at 28.9°C and -12.2°C, respectively. There is no undercooling and the gas temperature after compression is 48.9°C. Determine the following. (a) Dryness fraction of vapor entering the compressor (b) Rate of circulation of ammonia in kg/min (c) Rate of extraction of heat in kJ/min (d) Heat rejected in condenser per minute

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter9: Heat Transfer With Phase Change

Section: Chapter Questions

Problem 9.21P

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