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The following data refers to simple air refrigeration cycle of 20 TR capacity.
written 5.6 years ago by | modified 2.4 years ago by |
Ambient air temperature and pressure = 20°C and 0.8 bar.
Ram air pressure = 0.9 bar
Compressor outlet pressure = 3.6 bar
Temperature of air leaving H.E. -7.60°C
Pressure of air leaving the turbine = 1 bar
Temperature of air leaving the cabin = 2 2'C
Compressor and Turbine efficiency = 8O % and 75 % resin.
Assume no pressure drop in HE, and isentropic ramming process. Calculate net power required and COP of the system.
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