Unformatted text preview: The emissivities ε of the plates are given to be 0.5 and 0.9. Analysis The net rate of radiation heat transfer between the two surfaces per unit area of the plates is determined directly from 2 W/m 2795 = − + − ⋅ × = − + − = − 1 9 . 1 5 . 1 ] ) K 400 ( ) K 600 )[( K W/m 10 67 . 5 ( 1 1 1 ) ( 4 4 4 2 8 2 1 4 2 4 1 12 εε σ T T A Q s & 1215...
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This note was uploaded on 01/24/2012 for the course PHY 4803 taught by Professor Dr.danielarenas during the Fall '10 term at UNF.
 Fall '10
 Dr.DanielArenas
 Thermodynamics, Mass, Heat, Radiation

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