Air enters the compressor of an ideal Brayton refrigeration cycle at 100 kPa, 300 K. The compressor pressure ratio is 3.75, and the temperature at the turbine inlet is 350 K. Determine: (a) net work input, per unit mass of air flow, in kJ/kg. (b) refrigeration capacity, per unit mass of air flow, in kJ/kg. (c) coefficient of performance. (d) coefficient of performance of a Carnot refrigeration cycle operating between thermal reservoirs at T_C 5 300 K and T_H 5 350 K, respectively

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Air enters the compressor of an ideal Brayton refrigeration cycle at 100 kPa, 300 K. The compressor pressure ratio is 3.75, and the temperature at the turbine inlet is 350 K. Determine:


(a) net work input, per unit mass of air flow, in kJ/kg.


(b) refrigeration capacity, per unit mass of air flow, in kJ/kg.


(c) coefficient of performance.


(d) coefficient of performance of a Carnot refrigeration cycle operating between thermal reservoirs at T_C 5 300 K and T_H 5 350 K, respectively

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