The wall of a furnace is made up of a material which has thermal conductivity of 2.65 W/m◦C and a thicknesses 300 mm. The inner side of the furnace wall is exposed to hot gases at 1200 ⁰C with a convection coefficient of 20 W/m2⁰C and the inside the surface is at 700 ⁰C. The air outside the furnace is at 20⁰C with a convection coefficient of 15 W/m2⁰C.Draw a clear diagram representing the system Determine the temperature of the outside surface of the furnace The rate of heat loss from the furnace.

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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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The wall of a furnace is made up of a material which has thermal conductivity of 2.65 W/m◦C and a thicknesses 300 mm. The inner side of the furnace wall is exposed to hot gases at 1200 ⁰C with a convection coefficient of 20 W/m²⁰C and the inside the surface is at 700 ⁰C. The air outside the furnace is at 20⁰C with a convection coefficient of 15 W/m²⁰C.
Draw a clear diagram representing the system
Determine the temperature of the outside surface of the furnace

The rate of heat loss from the furnace.

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