Consider a very long duct as shown below in which all surfaces are black. Determine the net radiative heat transfer rate per unit duct length on each surface. 0.4m 3 900K 4 500K 500K 2 |0.2m 900K 1

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Consider a very long duct as shown below in which all surfaces are black. Determine the net
radiative heat transfer rate per unit duct length on each surface.
0.4m
3
900K
4 500K
500K 2 0.2m
900K
1
Transcribed Image Text:Consider a very long duct as shown below in which all surfaces are black. Determine the net radiative heat transfer rate per unit duct length on each surface. 0.4m 3 900K 4 500K 500K 2 0.2m 900K 1
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