A refrigerator working on an ideal closed reverse Brayton cycle operates between 100,000 Pa and 1,000,000 Pa. Air flowing at 0.15 kg/s is taken from a cold chamber at -10°C. Before entering the expander, the air is cooled to 50°C. The air undergoes isentropic compression and expansion. a. Sketch the complete schematic diagram of the system (include labels). Sketch the P-V and T-S diagram of the system. c. Solve for the Heat rejected in the cooler in kW d. Find the Refrigerating Capacity in kW b.

A refrigerator working on an ideal closed reverse Brayton cycle operates between 100,000 Pa and 1,000,000 Pa. Air flowing at 0.15 kg/s is taken from a cold chamber at -10°C. Before entering the expander, the air is cooled to 50°C. The air undergoes isentropic compression and expansion. a. Sketch the complete schematic diagram of the system (include labels). Sketch the P-V and T-S diagram of the system. c. Solve for the Heat rejected in the cooler in kW d. Find the Refrigerating Capacity in kW b.

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 12RQ: Refrigerators currently being manufactured in the United States are using______as their refrigerant.

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