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Question: a cylindrical rod generating heat at a rate of 2...

Question details

A cylindrical rod generating heat at a rate of 2 × 106 W/m3 and having a radius of 0.05 m has a thermal conductivity of 25 W/mK. It is clad with stainless steel layer of 5 mm thickness with a conductivity of 12.5 W/mK and the surface is exposed to fluids at 210°C with a convection coefficient of 500 W/m2K. Determine the centre temperature, heat transfer rate at the surface and all surface temperatures. Calculate also the temperature gradients at the interface for both materials.

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