Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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PROBLEM 3
In the given schematic of heat transfer for a wall, there is heat conduction through the wall
and the outer surface of the wall is subject to both convection and radiation.
T₁ = 308 K
k = 0.3 W/m-K
L = 3 mm
-T₁
-ε = 0.95
111
Air
Tsur = 297 K
T = 297 K
h = 2 W/m² K (Air)
(a) Write the energy conservation equation for the system in terms of the three heat
transfer modes.
(b) Find the surface temperature Ts in °C.
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Transcribed Image Text:PROBLEM 3 In the given schematic of heat transfer for a wall, there is heat conduction through the wall and the outer surface of the wall is subject to both convection and radiation. T₁ = 308 K k = 0.3 W/m-K L = 3 mm -T₁ -ε = 0.95 111 Air Tsur = 297 K T = 297 K h = 2 W/m² K (Air) (a) Write the energy conservation equation for the system in terms of the three heat transfer modes. (b) Find the surface temperature Ts in °C.
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