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International Symposium on Transient Convective Heat Transfer
August, 19-23, 1996, Çesme, Turkey

DOI: 10.1615/ICHMT.1996.TransientConvHeatTransf


ISBN Print: 978-1-56700-084-9

TRANSIENT CONJUGATED HEAT TRANSFER IN FULLY DEVELOPPED LAMINAR FLOW IN THICKNESS DUCT: NUMERICAL APPROACH

DOI: 10.1615/ICHMT.1996.TransientConvHeatTransf.440
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ABSTRACT

We propose in this work a numerical approach by finite difference method of transient conjugated forced convection heat transfer with fully developed laminar flow in cylindrical thickness wall. The unsteady regime is provoked by a perturbation of the wall flux or the fluid inlet temperature. The originality of this work can be explain by the plug in account of by the axial conductions in fluid and wall. A study of the energy behavior of the system is presented in detail as well as a comparison between the cases with and without axial conduction in the wall and in the fluid. We present finaly, for the general case, the transient distribution of wall and fluid mean temperatures, the Nusselt number, the interfacial heat flux and the effects of the physical and geometrical properties on the heat transfer.

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