Two parallel plates are sustained at 1073.15K and 573.15K which has emissivity of 0.3 and 0.5 respectively. If a polished shield made from aluminum with Є = 0.05 is placed between the two parallel plates, determine the following: a) Net radiant heat exchange per square meter of the two parallel plates before the aluminum plate was placed between both plates b) Percentage reduction of heat transfer after the aluminum was place between the plates
Two parallel plates are sustained at 1073.15K and 573.15K which has emissivity of 0.3 and 0.5 respectively. If a polished shield made from aluminum with Є = 0.05 is placed between the two parallel plates, determine the following: a) Net radiant heat exchange per square meter of the two parallel plates before the aluminum plate was placed between both plates b) Percentage reduction of heat transfer after the aluminum was place between the plates
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.60P
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Two parallel plates are sustained at 1073.15K and 573.15K which has emissivity
of 0.3 and 0.5 respectively. If a polished shield made from aluminum with Є =
0.05 is placed between the two parallel plates, determine the following:
a) Net radiant heat exchange per square meter of the two parallel plates before
the aluminum plate was placed between both plates
b) Percentage reduction of heat transfer after the aluminum was place between
the plates
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