2. In an ammonia vapor compression refrigeration cycle, 5 kg/min of refrigerant are circulated. The evaporating temperature of the cycle is designed at -18°C, and the refrigeration engineer decided to consider to superheat the ammonia as it leaves the evaporator by 5°C; the compressor discharge is at 12 bars, 125°C. The ammonia leaves the condenser as saturated liquid. Assume no pressure drop happens as the refrigerant flows in the system. Sketch the Ph and Ts diagram and find, a. Volume flow rate, m3/sec b. Capacity, tons c. Work, hp d. The compressor efficiency.

2. In an ammonia vapor compression refrigeration cycle, 5 kg/min of refrigerant are circulated. The evaporating temperature of the cycle is designed at -18°C, and the refrigeration engineer decided to consider to superheat the ammonia as it leaves the evaporator by 5°C; the compressor discharge is at 12 bars, 125°C. The ammonia leaves the condenser as saturated liquid. Assume no pressure drop happens as the refrigerant flows in the system. Sketch the Ph and Ts diagram and find, a. Volume flow rate, m3/sec b. Capacity, tons c. Work, hp d. The compressor efficiency.

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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