An ideal gas refrigeration system with two stages of
Chapter 11, Problem 77P(choose chapter or problem)
An ideal gas refrigeration system with two stages of compression with intercooling as shown in Fig. P11-77 operates with air entering the first compressor at and \(-24^{\circ} \mathrm{C}\) Each compression stage has a pressure ratio of 3 and the two intercoolers can cool the air to \(5^{\circ} \mathrm{C}\). Calculate the coefficient of performance of this system and the rate at which air must be circulated through this system to service a \(45,000 \mathrm{~kJ} / \mathrm{h}\) cooling load. Use constant specific heats at room temperature.
Equation Transcription:
Text Transcription:
-24°C
5°C
45, 000kJ/h
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