In an R-22 based refrigeration system, a liquid-to-suction heat exchanger (LSHX) with an effectiveness of 0.65 is used. The evaporating and condensing temperatures are 7.2°C and 54.4°C respectively. Assuming the compression process to be isentropic, find: a) Specific refrigeration effect b) Volumetric refrigeration effect c) Specific work of compression d) COP of the system e) Temperature of vapor at th

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
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In an R-22 based refrigeration system, a liquid-to-suction heat exchanger (LSHX) with an
effectiveness of 0.65 is used. The evaporating and condensing temperatures are 7.2°C and 54.4°C
respectively. Assuming the compression process to be isentropic, find:
a) Specific refrigeration effect
b) Volumetric refrigeration effect
c) Specific work of compression
d) COP of the system
e) Temperature of vapor at the exit of the compressor
Comment on the use of LSHX by comparing the performance of the system with a SSS cycle
operating between the same evaporator and condensing temperatures.

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