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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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Pubblicato in:Sci Rep
Autori principali: Yigit, Sahin, Hasslberger, Josef, Klein, Markus, Chakraborty, Nilanjan
Natura: Artigo
Lingua:Inglês
Pubblicazione: Nature Publishing Group UK 2020
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Accesso online: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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