Question: A tube of diameter 50 mm having a surface temperature of 85C is embedded in the center plane of a concrete slab 0.1 m thick

A tube of diameter 50 mm having a surface temperature of 85°C is embedded in the center plane of a concrete slab 0.1 m thick with upper and lower surfaces at 20°C. Using the appropriate tabulated relation for this configuration, find the shape factor. Determine the heat transfer rate per unit length of the tube.

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