Consider a plane composite wall that is composed of two materials of thermal conductivity k, =0.09 W/m -K and ka = 0.03 W/m-K and thicknesses L, =8 mm and L, =16 mm . The %3D %3D contact resistance at the interface between the two materials is known to be 0.30 m²-K/W. Material A adjoins a fluid at 200°C for which h=10W/m² - K, and material B adjoins a fluid at 40°C for which h=20 W/m² ·K.

Consider a plane composite wall that is composed of two materials of thermal conductivity k, =0.09 W/m -K and ka = 0.03 W/m-K and thicknesses L, =8 mm and L, =16 mm . The %3D %3D contact resistance at the interface between the two materials is known to be 0.30 m²-K/W. Material A adjoins a fluid at 200°C for which h=10W/m² - K, and material B adjoins a fluid at 40°C for which h=20 W/m² ·K.

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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Derive an expression for heat conduction through a composite plane wall of n- layers.