Answered: The condensing and evaporating…

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 condensing and evaporating pressures in a 10 TR R-22 refrigeration system are 11.82 bar and 1.64 bar, respectively. The refrigerant enters the compressor at dry and saturated state and leaves the condenser subcooled by 10°C. The actual COP is 70% of its theoretical value. Determine the condenser temperature in °C. Determine the evaporator temperature in °C. Determine the subcooling temperature in °C. Approximating the operating temperatures to the nearest whole number, determine the heat rejected in kJ/kg. Approximating the operating temperatures to the nearest whole number, determine the mass flowrate of the refrigerant in the system. Approximating the operating temperatures to the nearest whole number, determine the power requirement of the system. Approximating the operating temperatures to the nearest whole number, determine the theoretical COP of the system. Approximating the operating temperatures to the nearest whole number, determine the Actual COP of the system.

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