On the Convection of a Binary Mixture in a Horizontal Layer Under High-frequency Vibrations

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作者
B. L. Smorodin
S. M. Ishutov
B. I. Myznikova
机构
[1] Perm State University,Institute of Continuous Media Mechanics
[2] Ural Branch of Russian Academy of Sciences,undefined
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关键词
Binary mixture; High-frequency vibrations; Long-wave instability; Traveling wave;
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摘要
The convective instability and non-linear flows are considered in a horizontal, binary-mixture layer with negative Soret coupling, subjected to the high-frequency vibration whose axis is directed at an arbitrary angle to the layer boundaries. The limiting case of long-wave disturbances is studied using the perturbation method. The influence of the intensity and direction of vibration on the spatially-periodic traveling wave solution is analyzed. It is shown that the shift in the Rayleigh number range, in which the traveling wave regime exists, toward higher values is a response to a horizontal-to-vertical transition in the vibration axis orientation. The characteristics of amplitude- and phase-modulated traveling waves are obtained and discussed.
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页码:95 / 102
页数:7
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