# The thermal conductivity of stainless steel has been characterized experimentally to vary with temperature as k(T) =

## Question:

The thermal conductivity of stainless steel has been characterized experimentally to vary with temperature as k(T) = 9.14 + 0.021T for 273 < T < 1500 K, where k is in W/m∙K and T is in K. Determine the average thermal conductivity between 300 and 1200 K, and express k(T) in the form of k(T) = k_{0} (1 + βT ), where k_{0} is in W/m∙K and b is in K^{−1}.

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**Related Book For**

## Heat And Mass Transfer Fundamentals And Applications

**ISBN:** 9780073398181

5th Edition

**Authors:** Yunus Cengel, Afshin Ghajar