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Question: a kanthal heating element wire of a radius 5 mm...

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A Kanthal heating element wire of a radius 5 mm is heated by passing an electric current along the wire to generate heat at rate of 2·10 7 W/m3. If the outer temperature of the wire is 250oC, calculate the heat flux at the outer surface. Also, calculate the maximum temperature at the center of the wire. The thermal conductivity of Kanthal is 5 W/m.oK.

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