Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Insulating material is used to reduce heat loss from the heating furnace walls to the room. The surface temperature of the insulating material is 100 ° C and the other surfaces 20 ° C. Allowable heat loss up to 140 W / m2 from the wall. If the thermal conductivity of the insulation material is 0.05 W / (m ° C), calculate the required thickness of insulation. insulation thickness = Answer cm
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Step 1
Write the equation for the rate of heat transfer per unit area.
Here,
Inner and outer surface temperature of the insulating material are "".
Thickness of the insulating material is ""
Thermal conductivity is "k"
Area of heat transfer is "A"
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