The temperatures on the inner and outer sides of a furnace wall are 650°C and 250° C respectively. It is exposed to ambient air at 50°C. To reduce the heat loss from the furnace, its wall thickness is increased to double. Determine the %age decrease in heat loss due to change in wall thickness assuming no change in surface and ambient temperatures.
The temperatures on the inner and outer sides of a furnace wall are 650°C and 250° C respectively. It is exposed to ambient air at 50°C. To reduce the heat loss from the furnace, its wall thickness is increased to double. Determine the %age decrease in heat loss due to change in wall thickness assuming no change in surface and ambient temperatures.
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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8. The temperatures on the inner and outer sides of a furnace wall are 650°C and 250° C
respectively. It is exposed to ambient air at 50°C. To reduce the heat loss from the
furnace, its wall thickness is increased to double. Determine the %age decrease in heat
loss due to change in wall thickness assuming no change in surface and ambient
temperatures.
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