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A priori study of subgrid-scale features in turbulent Rayleigh-Bénard convection

Author
Dabbagh, F.; Trias, F. X.; Gorobets, A.; Oliva, A.
Type of activity
Journal article
Journal
Physics of fluids
Date of publication
2017-10-06
Volume
29
Number
10
First page
105103-1
Last page
105103-17
DOI
https://doi.org/10.1063/1.5005842 Open in new window
Repository
http://hdl.handle.net/2117/121176 Open in new window
URL
http://aip.scitation.org/doi/10.1063/1.5005842 Open in new window
Abstract
At the crossroad between flow topology analysis and turbulence modeling, a priori studies are a reliable tool to understand the underlying physics of the subgrid-scale (SGS) motions in turbulent flows. In this paper, properties of the SGS features in the framework of a large-eddy simulation are studied for a turbulent Rayleigh-Bénard convection (RBC). To do so, data from direct numerical simulation (DNS) of a turbulent air-filled RBC in a rectangular cavity of aspect ratio unity and p spanwise ...
Citation
Dabbagh, F., Trias, F. X., Gorobets, A., Oliva, A. A priori study of subgrid-scale features in turbulent Rayleigh-Bénard convection. "Physics of fluids", 6 Octubre 2017, vol. 29, núm. 10, p. 105103-1-105103-17.
Group of research
CTTC - Heat and Mass Transfer Technological Center

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