Question: A 40-cm-diameter sphere is maintained at 400 K and exposed to room air at 20oC. Calculate the free convection heat loss from the sphere. If

A 40-cm-diameter sphere is maintained at 400 K and exposed to room air at 20oC. Calculate the free convection heat loss from the sphere. If the surface has ϵ = 0.9, also calculate the radiation heat lost from the sphere.

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T w 400 K T 20 o C 293 K d 04 m T f 400 293 2 347 K v 2... View full answer

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