# A circular metal pipe has a wall thickness of 10 mm and an inner diameter of 10 cm. The pipes

## Question:

A circular metal pipe has a wall thickness of 10 mm and an inner diameter of 10 cm. The pipe’s outer surface is subjected to a uniform heat flux of 5 kW/m^{2} and has a temperature of 500°C. The metal pipe has a variable thermal conductivity given as k(T) = k_{0} (1 + βT), where k_{0} = 7.5 W/m ∙ K, β = 0.0012 K^{−1}, and T is in K. Determine the inner surface temperature of the pipe.

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**Related Book For**

## Heat And Mass Transfer Fundamentals And Applications

**ISBN:** 9780073398181

5th Edition

**Authors:** Yunus Cengel, Afshin Ghajar

**Question Details**

Chapter #

**2**- HEAT CONDUCTION EQUATIONSection: Problems

Problem: 114

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