Flow organisation in laterally unconfined Rayleigh–Bénard turbulence

We investigate the large-scale circulation (LSC) of turbulent Rayleigh–Bénard convection in a large box of aspect ratio $\varGamma =32$ for Rayleigh numbers up to $Ra=10^9$ and at a fixed Prandtl number $Pr=1$. A conditional averaging technique allows us to extract statistics of the LSC even though...

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Veröffentlicht in:	Journal of fluid mechanics 2021-01, Vol.906, Article 26
Hauptverfasser:	Blass, Alexander, Verzicco, Roberto, Lohse, Detlef, Stevens, Richard J. A. M., Krug, Dominik
Format:	Artikel
Sprache:	eng
Schlagworte:	Aspect ratio Boundary layer transition Boundary layers Convection Domains Fluid dynamics Fluid flow Heat Heat transport JFM Papers Kinematics Mechanics Numerical analysis Physical Sciences Physics Physics, Fluids & Plasmas Prandtl number Rayleigh-Benard convection Reynolds number Science & Technology Shear stress Statistical methods Stress concentration Stress distribution Technology Thickness Turbulence Turbulent boundary layer Velocity Wall shear stresses
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