This preview shows page 1. Sign up to view the full content.
Unformatted text preview: 15 . ( = = = g s c T T L P The emissivity of CO 2 corresponding to this value at a temperature of T s = 600 K and 1atm are, from Fig. 1236, 092 . atm 1 , = c The absorptivity of CO 2 is determined from 144 . ) 092 . ( K 600 K 1200 ) 1 ( 65 . atm 1 , 65 . = = = c s g c c T T C The surface area of the sphere is 2 2 2 m 57 . 12 m) 2 ( = = = D A s Then the net rate of radiation heat transfer from the gas mixture to the walls of the furnace becomes W 10 1.936 5 = = = ] ) K 600 ( 144 . ) K 1200 ( 14 . )[ K W/m 10 67 . 5 )( m 57 . 12 ( ) ( 4 4 4 2 8 2 4 4 net s g g g s T T A Q & 1253...
View
Full
Document
 Fall '10
 Dr.DanielArenas
 Thermodynamics, Mass, Heat, Radiation

Click to edit the document details