Matches in SemOpenAlex for { <https://semopenalex.org/work/W2162180410> ?p ?o ?g. }
- W2162180410 abstract "The aspect ratio ($ensuremath{Gamma}$) dependence of the heat transfer (Nusselt number Nu in dimensionless form) in turbulent (two-dimensional) Rayleigh-B'enard convection is numerically studied in the regime $0.4ensuremath{leqslant}ensuremath{Gamma}ensuremath{leqslant}1.25$ for Rayleigh numbers ${10}^{7}ensuremath{leqslant}text{Ra}ensuremath{leqslant}{text{Ra}}^{9}$ and Prandtl numbers $text{Pr}=0.7$ (gas) and $4.3$ (water). $text{Nu}(ensuremath{Gamma})$ shows a very rich structure with sudden jumps and sharp transitions. We connect these structures to the way the flow organizes itself in the sample and explain why the aspect ratio dependence of Nu is more pronounced for small Pr. Even for fixed $ensuremath{Gamma}$ different turbulent states (with different resulting Nu) can exist, between which the flow can or cannot switch. In the latter case the heat transfer thus depends on the initial conditions." @default.
- W2162180410 created "2016-06-24" @default.
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- W2162180410 date "2011-10-19" @default.
- W2162180410 modified "2023-09-24" @default.
- W2162180410 title "Connecting flow structures and heat flux in turbulent Rayleigh-Bénard convection" @default.
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- W2162180410 doi "https://doi.org/10.1103/physreve.84.045303" @default.
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