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Q 13.64: A wood (oak) wall is 0.255 m thick, has a surface area of 1.667 m 2 and is subject to a temperature difference of 27
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Answer #1

For oak wood thermal conductivity value is 0.17 w/mk.

From fourier equation,

Q = kA dt/dx

Q = 0.17×1.667 ×27.725/0.255

Q= 30.8 watts.

Conduction rate through wall is =30•8 w.

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