Determining the velocity of a non-newtonian medium flowing past spherical particles

被引：0
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作者：
O. M. Sokovnin
N. V. Zagoskina
S. N. Zagoskin
机构：
[1] Vyatka State University,
来源：
Theoretical Foundations of Chemical Engineering | 2008年 / 42卷
关键词：
Shear Rate; Spherical Particle; Capillary Pressure; Bubble Size; Effective Viscosity;
D O I：
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学科分类号：
摘要：
The general hydrodynamic approach is used to formulate and solve the problem of determining the velocity field and pressure of a non-Newtonian medium flowing past a spherical particle. The rheological properties of the non-Newtonian medium are described in terms of a two-parameter power-law model. Expressions are obtained for the velocity of a sphere (in particular, a bubble) relative to the flow of the non-Newtonian liquid in different hydrodynamic pattern. The effects of rheological parameters on the flow velocity and on the limiting sizes of bubbles what retain spherical form, are analyzed.
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页码：271 / 277
页数：6
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