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11-02-2024
Physics

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A copper fin 12 mm dia and 200 mm long spans two walls one at 200°C and the other at 120°C.
The thermal conductivity of the material is 330 W/mK. Air at 30°C flows between the walls and
the convection coefficient over the rod was 56.8 W/m²K. Determine the heat flow through the rod.
Also find the temperature at the mid-section and the location and value of the minimum
temperature.

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