A plane composite wall consists of three materials ?, ?, and ? arranged from lef

Question

A plane composite wall consists of three materials ?, ?, and ? arranged from left to right. The thermal conductivities and thicknesses are k? =0.24W/mK , k =0.13W/mK , k =0.50W/mK , L =2cm,L =1.3cm,L =2cm . The rate of heat ????? generation per unit volume for material ? is q? = 5000 W/m3 . There is no heat generation in materials ? and ?. The contact resistance of the ?-? and ?-? interfaces is R'' = 0.01 m2K/W . The left surface of material ? is insulated. The right surface of material ? is subject to fluid flow for which T? = 20o C and h = 10 W/m2 ? K . Find the maximum temperature in this composite system. Assume steady-state conditions.

Explanation / Answer

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