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A note on the orientation of symmetric rigid bodies sedimenting in a power-law fluid

机译:关于幂律流体中对称刚体沉积方向的说明

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We study the terminal orientation of symmetric bodies translating in a quiescent liquid modeled by the power-law fluid. We are able to show by invoking the symmetries of the sedimenting body and the Stokes flow field that at small Reynolds numbers, the competition of inertial and shear-thinning (or shear-thickening) contributions to the torque does not cause the tilt angle that is observed in experiments performed on viscoelastic liquids with shear-thinning properties. (c) 2005 Elsevier Ltd. All rights reserved.
机译:我们研究在幂律流体建模的静态液体中平移的对称物体的末端方向。通过调用沉降体和斯托克斯流场的对称性,我们可以证明,在较小的雷诺数下,惯性和剪切变稀(或剪切变稀)对扭矩的贡献不会导致倾斜角的减小。在具有剪切稀化特性的粘弹性液体上进行的实验中观察到。 (c)2005 Elsevier Ltd.保留所有权利。

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