, find the refrigerant effect of the ideal vapour

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter45: Domestic Refrigerators And Freezers
Section: Chapter Questions
Problem 2RQ: The operating condition for the single compressor in a household refrigerator is the lowest box...
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From the given data, if refrigerant circulation rate is 0.025kg/s, find the refrigerant effect of the ideal vapour compression cycle.
temperatures are given in the table below.
A refrigerator based on ideal vapour compression cycle
operates between the temperature limits of -20°C and
40°C. The refrigerant enters the condenser as saturated
vapour and leaves as saturated liquid. The enthalpy and
entropy values for saturated liquid and vapour at these
emperatures are given in the table below.
T.
(°C)
h;
(kJ/kg)
hg
(kJ/kg)
St
(kJ/kgK)
Sg
(kJ/kgK)
-20
0.7366
20
180
0.07
40
0.67
80
200
0.3
Transcribed Image Text:temperatures are given in the table below. A refrigerator based on ideal vapour compression cycle operates between the temperature limits of -20°C and 40°C. The refrigerant enters the condenser as saturated vapour and leaves as saturated liquid. The enthalpy and entropy values for saturated liquid and vapour at these emperatures are given in the table below. T. (°C) h; (kJ/kg) hg (kJ/kg) St (kJ/kgK) Sg (kJ/kgK) -20 0.7366 20 180 0.07 40 0.67 80 200 0.3
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