Heat conduction in an annulus (Fig. 10B.4), (a) Heat is flowing through an annular wall of inside
Question:
Heat conduction in an annulus (Fig. 10B.4),
(a) Heat is flowing through an annular wall of inside radius r0 and outside radius r1. The thermal conductivity varies linearly with temperature from k0 at T0 to k1 at T1. Develop an expression for the heat flow through the wall.
(b) Show how the expression in (a) can be simplified when (r1 - r0)/r0 is very small. Interpret the result physically.
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Heat conduction in an annulus a The energy balance on a cylindrical shell of thickness Ar and length ...View the full answer
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Conduction heat transfer is the transfer of heat through matter (i.e., solids, liquids, or gases) without bulk motion of the matter. In another ward, conduction is the transfer of energy from the more energetic to less energetic particles of a substance due to interaction between the particles. Conduction heat transfer in gases and liquids is due to the collisions and diffusion of the molecules during their random motion.
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