Sedimentation of particles in shear flows of viscoelastic fluids

Sedimentation of particles in shear flows of viscoelastic fluids
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粘弹性流体剪切流中颗粒的沉降

DOI：
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发表时间：
2010
期刊：
影响因子：
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通讯作者：
A. Skobeleva
A. Skobeleva
中科院分区：
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文献类型：
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作者：
A. V. Bazilevskii;D. Koroteev;A. Rozhkov;A. Skobeleva

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本文对粘性流体和粘弹性流体库埃特流中单颗粒和浓悬浮液的沉降进行了实验研究。随着从粘性流体到粘弹性流体的通过，观察到沉降减慢。粘弹性流体中悬浮液的沉降速度随悬浮液浓度的增加而加快。沉积过程中的不稳定性的发展进行了检测。
An experimental investigation of sedimentation of single particles and concentrated suspensions in Couette flows of viscous and viscoelastic fluids is presented. With the passage from viscous to viscoelastic fluids, a slowing down of the sedimentation was observed. The sedimentation of suspensions in viscoelastic fluids accelerated with increase in the suspension concentration. The development of instabilities during the sedimentation was detected.