The air considered as the ideal gas flows through the compressor and heat exchanger at a volumetric flow rate of 26.91 m3 / min as shown in the figure. At the same time, a stream of liquid water passes through the heat exchanger. The information given in the figure is for continuous flow. Considering the compressor and heat exchanger as adiabatic and ignoring kinetic and potential

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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The air considered as the ideal gas flows through the compressor and heat exchanger at a volumetric flow rate of 26.91 m3 / min as shown in the figure. At the same time, a stream of liquid water passes through the heat exchanger. The information given in the figure is for continuous flow. Considering the compressor and heat exchanger as adiabatic and ignoring kinetic and potential energy changes,

a) the power requirement of the compressor (kW) and the mass flow rate of the cooling water (kg / h),
b) Calculate the entropy generation (kW / K) per unit time for the compressor and heat exchanger.

T = 25°C T = 40°C
(A)
(B)
P = 96 kPa
T = 27°C
Lan
2
3
P2 = 230 kPa
T = 127°C
T= 77°C
P3 = P2
Transcribed Image Text:T = 25°C T = 40°C (A) (B) P = 96 kPa T = 27°C Lan 2 3 P2 = 230 kPa T = 127°C T= 77°C P3 = P2
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