Heat Transfer CONDUCTION HEAT TRANSFERSolution:QL2p (T_{in}T_{o})lnr_{2}r_{1}k_{s}lnr_{3}r_{2}k_{a}2p(550^{0}F100^{o}F)ln^{}6 in5 in12.5Btuhr ft ^{o}Fln^{}9 in6 in0.14Btuhr ft ^{o}F971Btuhr ftSummaryThe important information in this chapter is summarized below.Conduction Heat Transfer Summary• Conduction heat transfer is the transfer of thermal energy by interactions betweenadjacent molecules of a material.• Fourier’s Law of Conduction can be used to solve for rectangular and cylindricalcoordinate problems.• Heat flux ( ) is the heat transfer rate ( ) divided by the area (A).QQ• Heat conductance problems can be solved using equivalent resistance formulasanalogous to electrical circuit problems.Rev. 0 Page 17 HT-02

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