# Consider a plane wall of thickness L whose thermal conductivity varies in a specified temperature range as

## Question:

Consider a plane wall of thickness L whose thermal conductivity varies in a specified temperature range as k(T)= k_{0}(1 + βT^{2}) where k_{0} and β are two specified constants. The wall surface at x = 0 is maintained at a constant temperature of T_{1}, while the surface at x = L is maintained at T_{2}. Assuming steady one-dimensional heat transfer, obtain a relation for the heat transfer rate through the wall.

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**Related Book For**

## Heat And Mass Transfer Fundamentals And Applications

**ISBN:** 9780073398181

5th Edition

**Authors:** Yunus Cengel, Afshin Ghajar