Progress in the generalization of wall-function treatments

T. J. Craft, A. V. Gerasimov, H. Iacovides, B. E. Launder

    Research output: Contribution to journalArticlepeer-review


    This paper describes progress in developing an analytical representation of the variation of the dynamic variables and temperature across the near-wall sublayer of a turbulent flow. The aim is to enable the effective "resistance" of the viscous sublayer to the transport of heat and momentum to be packaged in the form of a "wall function", thus enabling CFD predictions of convective heat transfer to be made without incurring the cost of the very fine near-wall grid that would otherwise have to be adopted. While the general idea is not new, the detailed strategy contains many new features, which have led to a scheme capable of accounting for the effects of buoyancy, pressure gradient and of variations in molecular transport properties. The scheme is applied to the problem of forced and mixed convection in a vertical pipe and to the opposed wall jet with encouraging results. © 2002 Published by Elsevier Science Inc.
    Original languageEnglish
    Pages (from-to)148-160
    Number of pages12
    JournalInternational Journal of Heat and Fluid Flow
    Issue number2
    Publication statusPublished - Apr 2002


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