Two parallel disks of diameter D = 3 ft separatedby L = 2 ft are located directly on top of each other. Thedisks are separated by a radiation shield whose emissivity is0.15. Both disks are black and are maintained at temperaturesof 1200 R and 700 R, respectively. The environment that thedisks are in can be considered to be a blackbody at 540 R.Determine the net rate of radiation heat transfer through theshield under steady conditions.

Two parallel disks of diameter D = 3 ft separatedby L = 2 ft are located directly on top of each other. Thedisks are separated by a radiation shield whose emissivity is0.15. Both disks are black and are maintained at temperaturesof 1200 R and 700 R, respectively. The environment that thedisks are in can be considered to be a blackbody at 540 R.Determine the net rate of radiation heat transfer through theshield under steady conditions.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter34: Maxwell’s Equations And Electromagnetic Waves

Section: Chapter Questions

Problem 58PQ

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