Computational fluid dynamics study of incomplete air mixing in a slot-ventilated enclosure. Part 2: Mass transfer processes
- Institut National de la Recherche Scientifique, Sainte-Foy, Quebec (Canada)
- Cornell Univ., Ithaca, NY (United States). Dept. of Agricultural and Biological Engineering
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 {kappa}-{epsilon} 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 flow regions of the enclosure were also defined.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 267939
- Journal Information:
- Numerical Heat Transfer. Part A, Applications, Journal Name: Numerical Heat Transfer. Part A, Applications Journal Issue: 8 Vol. 29; ISSN 1040-7782; ISSN NHAAES
- Country of Publication:
- United States
- Language:
- English
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