(1) In an ammonia refrigeration system, the capacity is 210 kW at a temperature of-20°C. The vapor from the evaporator is pumped by one compressor to the condensing pressure of 1431 kPa. Later, the system was revised to a two-stage compression operating on the cycle shown below with intercooling but no removal of flash at 555 kPa. (a) in the original system. (b) compressors in the revised system. Calculate the power required by the single compressor Calculate the total power required by the two-
(1) In an ammonia refrigeration system, the capacity is 210 kW at a temperature of-20°C. The vapor from the evaporator is pumped by one compressor to the condensing pressure of 1431 kPa. Later, the system was revised to a two-stage compression operating on the cycle shown below with intercooling but no removal of flash at 555 kPa. (a) in the original system. (b) compressors in the revised system. Calculate the power required by the single compressor Calculate the total power required by the two-
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 13RQ: Condensers in these refrigerators are all_______cooled.
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