Determine the steady-state temperatures of two radiation shields placed in the evacuated space between two infinite planes

Question:

Determine the steady-state temperatures of two radiation shields placed in the evacuated space between two infinite planes at temperatures of 555 K and 278 K. The emissivity of all surfaces is 0.8.

GIVEN

Two radiant shields placed in the evacuated space between two infinite planes
Temperature of the planes
T₁ = 555 K
T₄ = 278 K
Emissivity of all surface (ε) = 0.8

ASSUMPTIONS

All surfaces are gray and diffuse

Surface 1 (A,) T, - 555 K Shleld 2 (A2) Shleld 3 (As) Surface 4 (A) T4 =278 K

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Principles of heat transfer

ISBN: 978-0495667704

7th Edition

Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn

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Question Posted: Nov 24, 2011 01:42 PM

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Determine the steady-state temperatures of two radiation shields placed in the evacuated space between two infinite planes

Question:

Surface 1 (A,) T, - 555 K Shleld 2 (A2) Shleld 3 (As) Surface 4 (A) T4 =278 K

Step by Step Answer:

Since the space is evacuated convection and conduction are negligible S...View the full answer

Principles of heat transfer

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