A 1-D conduction in a plane composite wall. The outer surfaces are exposed to a fluid at 25 °C and a convection heat transfer coefficient of 1000 W/m²/K. The middle wall B experiences uniform heat generation qB, while there is no generation in walls A and C. The temperatures at the interfaces are T₁ = 261 °C and T₂ = 211 °C. Find ġ and thermal conductivity kB. T₁ T2 Too, h 111 A +7-4 qB -2LB KA = 25 W/m.K kc = 50 W/m.K Lc k LA = 30 mm LB = 30 mm Lc = 20 mm Too, h

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A 1-D conduction in a plane composite wall. The outer surfaces are exposed to a fluid at 25 °C
and a convection heat transfer coefficient of 1000 W/m²/K. The middle wall B experiences
uniform heat generation qB, while there is no generation in walls A and C. The temperatures at
the interfaces are T₁ = 261 °C and T₂ = 211 °C. Find ġ and thermal conductivity kg.
T₁
T2
Too, h
111
A
B
ав
-2LB
KA = 25 W/m.K
kc = 50 W/m.K
Ick
LA = 30 mm
LB = 30 mm
Lc = 20 mm
Too, h
Transcribed Image Text:A 1-D conduction in a plane composite wall. The outer surfaces are exposed to a fluid at 25 °C and a convection heat transfer coefficient of 1000 W/m²/K. The middle wall B experiences uniform heat generation qB, while there is no generation in walls A and C. The temperatures at the interfaces are T₁ = 261 °C and T₂ = 211 °C. Find ġ and thermal conductivity kg. T₁ T2 Too, h 111 A B ав -2LB KA = 25 W/m.K kc = 50 W/m.K Ick LA = 30 mm LB = 30 mm Lc = 20 mm Too, h
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