A refrigerator room has wall 60m long and 3m high the wall is built of 120mm thick insulated on the inside with an 80mm layer of Cork faced with a metal sheet the coefficient of thermal conductivity of the brick is 0.7W/mk while that of the cork is 0.043k the exterior brick surface temperature of the wall is 21°c and that of the interior metal faced surface is 4°c The temperature of the metal sheet can be considered as being at 4°c through out.Estimate the heat leakage through the wall in 24h also the temperature of the interface between the cork and brick
A refrigerator room has wall 60m long and 3m high the wall is built of 120mm thick insulated on the inside with an 80mm layer of Cork faced with a metal sheet the coefficient of thermal conductivity of the brick is 0.7W/mk while that of the cork is 0.043k the exterior brick surface temperature of the wall is 21°c and that of the interior metal faced surface is 4°c The temperature of the metal sheet can be considered as being at 4°c through out.Estimate the heat leakage through the wall in 24h also the temperature of the interface between the cork and brick
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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A refrigerator room has wall 60m long and 3m high the wall is built of 120mm thick insulated on the inside with an 80mm layer of Cork faced with a metal sheet the coefficient of thermal conductivity of the brick is 0.7W/mk while that of the cork is 0.043k the exterior brick surface temperature of the wall is 21°c and that of the interior metal faced surface is 4°c The temperature of the metal sheet can be considered as being at 4°c through out.Estimate the heat leakage through the wall in 24h also the temperature of the interface between the cork and brick
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