Two plane coaxial disks are separated by a distance (L=0.80 mathrm{~m}). The lower disk (left(A_{1} ight)) is

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Two plane coaxial disks are separated by a distance \(L=0.80 \mathrm{~m}\). The lower disk \(\left(A_{1}\right)\) is solid with a diameter \(D_{o}=0.80 \mathrm{~m}\) and a temperature \(T_{1}=300 \mathrm{~K}\). The upper disk \(\left(A_{2}\right)\), at temperature \(T_{2}=900 \mathrm{~K}\), has the same outer diameter but is ring-shaped with an inner diameter \(D_{i}=0.40 \mathrm{~m}\).

image text in transcribedAssuming the disks to be blackbodies, calculate the net rate of radiative heat exchange between them.

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Fundamentals Of Heat And Mass Transfer

ISBN: 9781119220442

8th Edition

Authors: Theodore L. Bergman, Adrienne S. Lavine

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