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04. Consider a long duct constructed with diffuse, gray walls 1 m wide as shown in the figure. Determine: (a) The net radiation transfer from surface Aj per unit length of the duct and (b) the temperature of the insulated surface A3. (c) What effect would changing the value of ɛ3 have on your results? After considering your assumptions, comment on whether you expect your results to be exact. -A,T,=1000K,e,=Q,33 -A2.Tq• 700K, e=05 -A,T,8g=0.8 Width, all sides,w-Im Insulated surface-

04. Consider a long duct constructed with diffuse, gray walls 1 m wide as shown in the figure. Determine: (a) The net radiation transfer from surface Aj per unit length of the duct and (b) the temperature of the insulated surface A3. (c) What effect would changing the value of ɛ3 have on your results? After considering your assumptions, comment on whether you expect your results to be exact. -A,T,=1000K,e,=Q,33 -A2.Tq• 700K, e=05 -A,T,8g=0.8 Width, all sides,w-Im Insulated surface-

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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04. Consider a long duct constructed with diffuse, gray walls 1 m wide as shown in the figure. Determine: (a) The net radiation transfer from surface Ai per unit length of the duct and (b) the temperature of the insulated surface A3. (c) What effect would changing the value of ɛ3 have on your results? After considering your assumptions, comment on whether you expect your results to be exact. -Ą‚T;=1000K,&=0.33 A2 T-700K, E#05 -As,Ts,ɛg=0.8 Width, all sides,w-Im Insulated surface-
Transcribed Image Text:04. Consider a long duct constructed with diffuse, gray walls 1 m wide as shown in the figure. Determine: (a) The net radiation transfer from surface Ai per unit length of the duct and (b) the temperature of the insulated surface A3. (c) What effect would changing the value of ɛ3 have on your results? After considering your assumptions, comment on whether you expect your results to be exact. -Ą‚T;=1000K,&=0.33 A2 T-700K, E#05 -As,Ts,ɛg=0.8 Width, all sides,w-Im Insulated surface-
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