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a. the temperatures, in °F, of the refrigerant in each evaporator. b. the power input to each compressor stage, in horsepower. c. the overall coefficient of performance.

a. the temperatures, in °F, of the refrigerant in each evaporator. b. the power input to each compressor stage, in horsepower. c. the overall coefficient of performance.

Elements Of Electromagnetics
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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Oout Condenser 4 5 We2 Compressor Expansion valve -3 9- Direct Evaporator 8. contact eat exchanger Qin2 = 10 tons -2 Expansion Compressor We.1 valve +7 Evaporator Qin. = 5 tons FIGURE P10.26 a. the temperatures, in °F, of the refrigerant in each evaporator. b. the power input to each stage, in horsepower. compressor c. the overall coefficient of performance.
Transcribed Image Text:Oout Condenser 4 5 We2 Compressor Expansion valve -3 9- Direct Evaporator 8. contact eat exchanger Qin2 = 10 tons -2 Expansion Compressor We.1 valve +7 Evaporator Qin. = 5 tons FIGURE P10.26 a. the temperatures, in °F, of the refrigerant in each evaporator. b. the power input to each stage, in horsepower. compressor c. the overall coefficient of performance.
10.26 WP Figure P10.26 shows a two-stage, vapor-compression refrigeration system with two evaporators and a direct-contact heat exchanger. Saturated vapor ammonia from evaporator 1 enters compressor 1 at 18 lbf/in.? and exits at 70 lbf/in.? Evaporator 2 operates at 70 lbf/in.?, with saturated vapor exiting at state 8. The condenser pressure is 200 2 Ibf/in.?, and saturated liquid refrigerant exits the condenser. Each compressor stage has an isentropic efficiency of 80%. The refrigeration capacity of each evaporator is shown on the figure. Sketch the T-s diagram of the cycle and determine 2
Transcribed Image Text:10.26 WP Figure P10.26 shows a two-stage, vapor-compression refrigeration system with two evaporators and a direct-contact heat exchanger. Saturated vapor ammonia from evaporator 1 enters compressor 1 at 18 lbf/in.? and exits at 70 lbf/in.? Evaporator 2 operates at 70 lbf/in.?, with saturated vapor exiting at state 8. The condenser pressure is 200 2 Ibf/in.?, and saturated liquid refrigerant exits the condenser. Each compressor stage has an isentropic efficiency of 80%. The refrigeration capacity of each evaporator is shown on the figure. Sketch the T-s diagram of the cycle and determine 2
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