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Flow of liquid around the encapsulated drop of another liquid

机译:液体在另一种液体的封装液滴周围流动

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摘要

The problem of the infinite uniform flow of liquid around the spherical drop coated with the porous layer is solved. External liquid permeates into the porous layer but is not mixed with the liquid located in the internal cavity of a capsule. The flow inside the porous layer is described by the Brinkman equation; moreover, the viscosity of the Brinkman medium is assumed to be different than the viscosity of pure liquid. The boundary condition of the jump of tangential stresses at the liquid-porous medium interface is used. Velocity and pressure distributions are found and the hydrodynamic force acting on the capsule is calculated. Different limiting cases are considered.
机译:解决了液体在涂覆有多孔层的球形液滴周围无限均匀流动的问题。外部液体渗透到多孔层中,但不与位于胶囊内腔中的液体混合。多孔层内部的流动用布林克曼方程描述。此外,假定布林克曼介质的粘度不同于纯液体的粘度。使用在液体-多孔介质界面处切向应力跃变的边界条件。找到速度和压力分布,并计算作用在胶囊上的流体动力。考虑了不同的限制情况。

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