Wavenumber selection of convection rolls in a box
作者:
Wayne Arter,
A. Bernoff,
A. C. Newell,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1987)
卷期:
Volume 30,
issue 12
页码: 3840-3842
ISSN:0031-9171
年代: 1987
DOI:10.1063/1.866424
出版商: AIP
数据来源: AIP
摘要:
The dynamics of two‐dimensional Rayleigh–Be´nard convection rolls are studied in a finite layer with no‐slip, fixed temperature upper and lower boundaries and no‐slip insulating side walls. The dominant mechanism controlling the number of rolls seen in the layer is an instability concentrated near the side walls. This mechanism significantly narrows the band of stable wavenumbers although it can take a time comparable to the long (horizontal) diffusion time scale to operate.
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