Two plane coaxial disks are separated by a distance L 0.20
Chapter , Problem 13.31(choose chapter or problem)
Two plane coaxial disks are separated by a distance L 0.20 m. The lower disk (A1) is solid with a diameter Do 0.80 m and a temperature T1 300 K. The upper disk (A2), at temperature T2 1000 K, has the same outer diameter but is ring-shaped with an inner diameter Di 0.40 m. A1 Assuming the disks to be blackbodies, calculate the net radiative heat exchange between them.
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