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
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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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
(e) Actual and Theoretical COP
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