Q3: A composite wall consists of an iron plate of thickness L1=3 cm and thermal conductivity of kl =60 W/m «C, an insulation layer of thickness L2-0.5 cm and thermal conductivity of k2 =0.2 W/m- •C, and an insulation of thickness L3=4 cm with thermal conductivity of k3 =0.05 W/m •C. If the iron side temperature is 4200C and the insulation side is at 200C. 1) Draw a thermal resistance system for the problem. 2) Find the heat loss per unit area. 3) Calculate the temperature at every interface.

Q3: A composite wall consists of an iron plate of thickness L1=3 cm and thermal conductivity of kl =60 W/m «C, an insulation layer of thickness L2-0.5 cm and thermal conductivity of k2 =0.2 W/m- •C, and an insulation of thickness L3=4 cm with thermal conductivity of k3 =0.05 W/m •C. If the iron side temperature is 4200C and the insulation side is at 200C. 1) Draw a thermal resistance system for the problem. 2) Find the heat loss per unit area. 3) Calculate the temperature at every interface.

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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