An Explicit WET-Type Model for the Turbulent Scalar Fluxes

Masoud Rokni, B. Sundén

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

A new explicit WET model for the turbulent heat fluxes is derived and developed from the transport equation of the scalar passive flux. In order to study the performance of the model itself, all other turbulent quantities are taken from a DNS channel flow data-base and thus the error source has been minimized. This anisotropic eddy diffusivity model can be solved with a two-equation model for the temperature field based on the temperature variance and its dissipation rate. The model can theoretically be used for a range of Prandtl numbers or a range of different fluids. The results are compared with the DNS channel flow and fairly good agreement is achieved.
Keyword: WET, Heat Flux, Turbulent, Two Equation
Original languageEnglish
Title of host publicationAdvances in Fluid Mechanics IV
EditorsM. Rahman, R. Verhoeven, C. A. Brebbia
Volume36
Place of PublicationSouthhampton
PublisherWIT Press
Publication date2002
Pages55-64
ISBN (Print)1-85312-910-0
Publication statusPublished - 2002
Externally publishedYes
EventFourth Internatioal Conference on Advances in Flud Mechanics - Ghent, Belgium
Duration: 1 Jan 2002 → …

Conference

ConferenceFourth Internatioal Conference on Advances in Flud Mechanics
CityGhent, Belgium
Period01/01/2002 → …

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