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Computational fluid dynamics study of incomplete air mixing in a slot-ventilated enclosure, part II : mass transfer processes.

Rousseau, Alain N. et Albright, Louis D. (1996). Computational fluid dynamics study of incomplete air mixing in a slot-ventilated enclosure, part II : mass transfer processes. Numerical Heat Transfer, Part A: Applications , vol. 29 , nº 8. p. 825-842. DOI: 10.1080/10407789608913822.

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Résumé

This article presents a computational fluid dynamics study of incomplete air mixing in a slot-ventilated enclosure. Two computational rate-of-decay tracer investigations were performed using an asymptotically consistent low-Reynolds-number k-e model. These investigations revealed that (1) incomplete mixing was caused by a quasi-sequential removal of tracer from, simultaneously involved, mixing zones, and (2) these mixing zones resulted from streamwise-convection-dominated mass transfer processes, slightly affected by turbulent diffusion, and turbulent-diffusion-dominated mass transfer processes, little modified by streamwise convection. Underventilated, well-ventilated, and overventilated flaw regions of the enclosure were also defined.

Type de document: Article
Mots-clés libres: air mixing; computational rate of decay tracer investigation; smixing zones; slot ventilated enclosure; streamwise convection; tracer removal; turbulent diffusion
Centre: Centre Eau Terre Environnement
Date de dépôt: 03 févr. 2021 21:14
Dernière modification: 03 févr. 2021 21:14
URI: https://espace.inrs.ca/id/eprint/11180

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