论文标题

层流对流下的分层和隔离

Stratification and segregation under laminar convection

论文作者

Fedyushkin, Alexey

论文摘要

该论文致力于研究由于从侧面加热的水平层中对流层流而导致不可压缩流体中分层的形成。考虑了中等和密集的固定层流,浓度和热浓度(尤其是热盐)对流的模式,其中表现出非线性流动特征,从而从根本上改变了热量结构和热量和传播的特征。对流层流问题问题的解决方案表明,根据确定的无量纲参数,分层结构,垂直温度和浓度分层的形成特征。在存在毛细管对流的情况下,分层载体方向(自由表面的位置)方向的亚稳定性不稳定。

The paper is devoted to the study of the formation of stratification in an incompressible fluid due to convective laminar flows in horizontal layers heated from the side. Medium and intensive modes of stationary laminar thermal, concentrational and thermo-concentrational (in particular thermohaline) convection are considered, in which nonlinear flow features are manifested, which can radically change the flow structure and the characteristics of heat and mass transfer. The solutions of the problems of laminar problems of convection show the features of the formation of layered structures, vertical temperature and concentration stratification depending on the determining dimensionless parameters. The metastable instability of the direction of the stratification vector (the location of the free surface) in weightlessness in the presence of capillary convection was shown.

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