Chapter 8: Internal Forced Convection
Chapter 8: Internal Forced Convection
Chapter 8: Internal Forced Convection
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• In the fully developed region, thesurface temperature T s will alsoincrease linearly in the flow direction• Applying the steady-flow energybalance to a tube slice of thickness dx,the slope of the mean fluid temperatureT m can be determineddTmqspmcpdT = mqspdx → dx= mc =( ) constant• Noting that both the heat flux and h (forfully developed flow) are constantsp(8-20) (8-19):dTdxmdTs= (8-21)dx