An air refrigeration cycle operates on a Bell Coleman Cycle. Air which is taken from a cold chamber at -5°C, is compressed from 1 bar to 5.5 bar. The compressed air is then cooled to 27°C. The index of compression is 1.25 while the index of expansion is 1.35. Determine the heat rejected at the air cooler. A. - 36.9 kJ/kg B. - 46.9 kJ/kg C. - 76.9 kJ/kg D. - 106.9 kJ/kg

An air refrigeration cycle operates on a Bell Coleman Cycle. Air which is taken from a cold chamber at -5°C, is compressed from 1 bar to 5.5 bar. The compressed air is then cooled to 27°C. The index of compression is 1.25 while the index of expansion is 1.35. Determine the heat rejected at the air cooler. A. - 36.9 kJ/kg B. - 46.9 kJ/kg C. - 76.9 kJ/kg D. - 106.9 kJ/kg

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

Chapter28: Special Refrigeration Applications

Section: Chapter Questions

Problem 15RQ: Why is two-stage compression popular for extra-low-temperature refrigeration systems?

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