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A plane wall is a composite of three materials, A, B and C. The wall of...

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Mechanical Engineering

A plane wall is a composite of three materials, A, B and C. Thewall of material A has uniform heat generationq˙ of 100000 W/m3, kA= 75 W/m K, and thickness LA = 60 mm. The wall material Bhas no generation with kB = 150 W/m K and thicknessLB = 20 mm. The wall material C has no generation withkC = 100 W/m K and thickness LC = 20 mm The innersurface of material A is well insulated, while the outer surface ofmaterial C is cooled by a water stream with T= 30 °C andh = 1000 W/m2 K.

1. Sketch the temperature distribution thatexists in the composite under steady-state conditions.

2. Determine the temperature T0 ,T1 inner and outer surface of material A andT2, T3 (outer surface of material B andC)

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