Formation of spatial structures in Rayleigh—Bénard convection

The problem of the selection of forms and scales of convective flows in a horizontal layer of liquid heated from below is studied. The basic types of two- and three-dimensional flows, defects of roll structures, exchange of convective regimes, and different situations in which two-dimensional rolls have a preferred wave number are described. It is shown that when considered in terms of an optimal (preferred) wave number, to which a roll structure tends and which may or may not be reached depending on the overall geometry of the flow, the different experimental and theoretical results form a unified consistent picture. The basic methods used for investigation of convective structures are described.

PACS: 47.20.Bp, 47.55.pb, 47.11.−j (all)
DOI: 10.1070/PU1991v034n09ABEH002470
URL: https://ufn.ru/en/articles/1991/9/a/
Citation: Getling A V "Formation of spatial structures in Rayleigh—Bénard convection" Sov. Phys. Usp. 34 (9) 737–776 (1991)

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Оригинал: Гетлинг А В «Формирование пространственных структур конвекции Рэлея—Бенара» УФН 161 (9) 1–80 (1991); DOI: 10.3367/UFNr.0161.199109a.0001

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