Air PI 1 bar T 300 K P4 9 bar T4=800 K4 WevA WoB Compressor B Compressor 3+P3 P2 T3=450 K P2 3 bar T= 600 K -2 ww 6 -Heat exchanger T6, P6=Ps Water Ts 20°C Ps=1 bar
Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where m˙1= 0.6 kg/s and T6= 50°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas.
Determine:
(a) the total power for both compressors, in kW.
(b) the mass flow rate of the water, in kg/s.
![Air
PI 1 bar
T 300 K
P4 9 bar
T4=800 K4
WevA
WoB
Compressor B
Compressor
3+P3 P2
T3=450 K
P2 3 bar
T= 600 K
-2
ww
6
-Heat exchanger
T6, P6=Ps
Water
Ts 20°C
Ps=1 bar](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd3662bb-e706-4e7e-b70a-a9d3a5ea138f%2Fd9da818f-a6d0-4b10-b2ee-4fd21fcac578%2Fochktjl.png&w=3840&q=75)
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