The events of a cascade, split –stage, low temperature refrigerating cycle are as follows. A Freon 12 vapor compression system operates between 0 F and 100 F with saturated liquid on the high side of the expansion valve and saturated vapour entering the compressor whose volumetric efficiency is 90 %. An ammonia compression system operates between -60 F and 12 F with saturated liquid entering the expansion valve and saturated vapour entering the compressor whose volumetric efficiency is 88 %. The Freon 12 evaporator serves as the condenser for the ammonia for the ideal cycle and 2 tons of refrigeration . Find; a) The displacement of each compressorb) The total horsepower required for compressor efficiency of 80 %

For Freon 12 cycle: Evaporation temperature =0°F Condensation temperature =100°F Volumetric…

Answered: The events of a cascade, split –stage,…

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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The events of a cascade, split –stage, low temperature refrigerating cycle are as follows. A Freon 12 vapor compression system operates between 0 F and 100 F with saturated liquid on the high side of the expansion valve and saturated vapour entering the compressor whose volumetric efficiency is 90 %. An ammonia compression system operates between -60 F and 12 F with saturated liquid entering the expansion valve and saturated vapour entering the compressor whose volumetric efficiency is 88 %. The Freon 12 evaporator serves as the condenser for the ammonia for the ideal cycle and 2 tons of refrigeration . Find;
a) The displacement of each compressor
b) The total horsepower required for compressor efficiency of 80 %

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