A cross-flow heat exchanger with air mixed and oil unmixed, (C, =1006 P. р air J/kg-°C, C P_oil = 2150 J/kg. ®C), the mass flow rate ratio (mº,/m°) = 2.7, Air air enters at 21°C and leaves at 51°C, while oil enters @ 83°C, what is the oil offectiv eness of the heat exchanger of the

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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A cross-flow heat exchanger with air
mixed and oil unmixed, (C,
J/kg-°C, C,
flow rate ratio (m°,,/m°) = 2.7, Air
enters at 21°C and leaves at 51°C, while
oil enters @ 83°C, what is the
effectiveness of the heat exchanger of the
heat exchanger “%"?
=1006
Pair
= 2150 J/kg. "C), the mass
p_oil
air
oil
0 99
Select one:
А. 65.82
В. 67.84
С. 63.44
D. 61.13
E. 58.76
Transcribed Image Text:A cross-flow heat exchanger with air mixed and oil unmixed, (C, J/kg-°C, C, flow rate ratio (m°,,/m°) = 2.7, Air enters at 21°C and leaves at 51°C, while oil enters @ 83°C, what is the effectiveness of the heat exchanger of the heat exchanger “%"? =1006 Pair = 2150 J/kg. "C), the mass p_oil air oil 0 99 Select one: А. 65.82 В. 67.84 С. 63.44 D. 61.13 E. 58.76
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