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湍流瑞利-贝纳德对流的新视角。

New perspectives in turbulent Rayleigh-Bénard convection.

作者信息

Chillà F, Schumacher J

机构信息

Laboratoire de Physique, École Normale Supérieure de Lyon, Lyon, France.

出版信息

Eur Phys J E Soft Matter. 2012 Jul;35(7):58. doi: 10.1140/epje/i2012-12058-1. Epub 2012 Jul 13.

Abstract

Recent experimental, numerical and theoretical advances in turbulent Rayleigh-Bénard convection are presented. Particular emphasis is given to the physics and structure of the thermal and velocity boundary layers which play a key role for the better understanding of the turbulent transport of heat and momentum in convection at high and very high Rayleigh numbers. We also discuss important extensions of Rayleigh-Bénard convection such as non-Oberbeck-Boussinesq effects and convection with phase changes.

摘要

本文介绍了湍流瑞利-贝纳德对流在实验、数值和理论方面的最新进展。特别强调了热边界层和速度边界层的物理特性与结构,它们对于更好地理解高瑞利数和极高瑞利数下对流中热量和动量的湍流输运起着关键作用。我们还讨论了瑞利-贝纳德对流的重要扩展,如非奥伯贝克-布辛涅斯克效应和伴有相变的对流。

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