13. An actual vapour compression refrigerator, using R-134a as a refrigerant is operating on the following pressure and temperatures as shown below in the diagram. Show the condition of the refrigerant at various points and calculate the following parameters. (a) Refrigeration effect WARM (b) Power input to the compressor envirement (c) Isentropic efficiency of the compressor 5 bar , 40 C 0.36 Mpa Condeer (d) Heat rejected to the surroundings 5.82 C (e) COP of the refrigerator Expanmion valve (f) Neat T-s diagram Compreer (g) Entropy and enthalpy values 160 kPa Evaporator 1.8 bar, - 10 C COLD refrigeratod space

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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13. An actual vapour compression refrigerator, using R-134a as a refrigerant is operating on the
following pressure and temperatures as shown below in the diagram. Show the condition of the
refrigerant at various points and calculate the following parameters.
(a) Refrigeration effect
WARM
environment
(b) Power input to the compressor
(c) Isentropic efficiency of the compressor
(d) Heat rejected to the surroundings
5 bar , 40 C
Condenser
0.36 Mpa
5.82 C
(e) COP of the refrigerator
Expansion
valve
(f) Neat T-s diagram
Compressor
(g) Entropy and enthalpy values
1.8 bar, - 10 C
Evaporator
160 kPa
COLD refrigerated
space
Transcribed Image Text:13. An actual vapour compression refrigerator, using R-134a as a refrigerant is operating on the following pressure and temperatures as shown below in the diagram. Show the condition of the refrigerant at various points and calculate the following parameters. (a) Refrigeration effect WARM environment (b) Power input to the compressor (c) Isentropic efficiency of the compressor (d) Heat rejected to the surroundings 5 bar , 40 C Condenser 0.36 Mpa 5.82 C (e) COP of the refrigerator Expansion valve (f) Neat T-s diagram Compressor (g) Entropy and enthalpy values 1.8 bar, - 10 C Evaporator 160 kPa COLD refrigerated space
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