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Proceedings of CONV-14: International Symposium on Convective Heat and Mass Transfer.
June, 8-13, 2014, Kusadasi, Turkey

DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf


ISBN Print: 978-1-56700-356-7

ISSN Online: 2642-3499

ISSN Flash Drive: 2642-3502

CONJUGATE HEAT TRANSFER IN THE PREHEATING REGION OF PIPES FOR LAMINAR FLOWS WITH AXIAL HEAT CONDUCTION

pages 213-223
DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf.150
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ABSTRAKT

A theoretical treatment is presented of preheating effects due to wall and fluid heat conduction in forced convection heating of hydrodynamically developed laminar flows. The geometry of interest consists of a long circular tube heated for a finite, or semi-infinite length. The occurrence of full thermal development in the preheating region is demonstrated. An exact functional dependence between the asymptotic Nusselt number and two parameters, the Conduction Influence Parameter and the Péclet number, is finally derived and discussed.

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