For a hemispherical furnace, the flat floor is at 700 K and has an emissivity of 0.5. The…

For a hemispherical furnace, the flat floor
is at 700 K and has an emissivity of 0.5. The hemispherical roof is at 1000 K
and has an emissivity of 0.25. Find the net radiative heat transfer from the
roof to the floor.

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For a hemispherical furnace, the flat floor is at 700 K and has an emissivity of 0.5. The…
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where A1 = r2, A2
= 2r2 and F12
= 1

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