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Two gray surfaces with emmissivities 81=0.8 and ɛr=0.5are located as shown in the figure. The temperature of the plate 1 Tr=500 K and temperature of the plate 2 is T2=900 K. Calculate the radiation heat transfer between the surfaces. Ignore the heat transfer between surfaces and the surrounding air.

Two gray surfaces with emmissivities 81=0.8 and ɛr=0.5are located as shown in the figure. The temperature of the plate 1 Tr=500 K and temperature of the plate 2 is T2=900 K. Calculate the radiation heat transfer between the surfaces. Ignore the heat transfer between surfaces and the surrounding air.

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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PROBLEM2 : 1 m 1 m 1 T1= 500 K 81= 0.8 1 m T2= 900 K 82 = 0.5 2 1 m -1 m- Two gray surfaces with emmissivities 81=0.8 and 82=0.5are located as shown in the figure. The temperature of the plate 1 Ti-500 K and temperature of the plate 2 is T2-900 K. Calculate the radiation heat transfer between the surfaces. Ignore the heat transfer between surfaces and the surrounding air.
Transcribed Image Text:PROBLEM2 : 1 m 1 m 1 T1= 500 K 81= 0.8 1 m T2= 900 K 82 = 0.5 2 1 m -1 m- Two gray surfaces with emmissivities 81=0.8 and 82=0.5are located as shown in the figure. The temperature of the plate 1 Ti-500 K and temperature of the plate 2 is T2-900 K. Calculate the radiation heat transfer between the surfaces. Ignore the heat transfer between surfaces and the surrounding air.
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