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Near wall Prandtl number effects on velocity gradient invariants and flow topologies in turbulent Rayleigh–Bénard convection

The statistical behaviours of the invariants of the velocity gradient tensor and flow topologies for Rayleigh–Bénard convection of Newtonian fluids in cubic enclosures have been analysed using Direct Numerical Simulations (DNS) for a range of different values of Rayleigh (i.e. [Formula: see text] )...

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Bibliographic Details
Published in:Sci Rep
Main Authors: Yigit, Sahin, Hasslberger, Josef, Klein, Markus, Chakraborty, Nilanjan
Format: Artigo
Language:Inglês
Published: Nature Publishing Group UK 2020
Subjects:
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC7483783/
https://ncbi.nlm.nih.gov/pubmed/32913221
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41598-020-71665-9
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