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Sudden strain changes in non-colloidal suspensions
Journal of Non-Newtonian Fluid Mechanics ( IF 3.1 ) Pub Date : 2021-01-20 , DOI: 10.1016/j.jnnfm.2021.104489
Arif Mahmud , Shaocong Dai , Roger I. Tanner

The response of non-colloidal suspensions to sudden strains and sudden changes of strain rate is explored. The matrix fluids were silicone oil and glycerol/water. A Oldroyd-B model of the suspensions augmented by a friction element gives a description of the shear stresses which agrees with experiment. Friction becomes dominant for volume fractions greater than 0.3.



中文翻译:

非胶体悬浮液中的突然应变变化

探索了非胶体悬浮液对突然应变和应变率突然变化的响应。基质流体是硅油和甘油/水。用摩擦元件增强的悬架的Oldroyd-B模型给出了与实验一致的剪切应力的描述。体积分数大于0.3时,摩擦将占主导地位。

更新日期:2021-01-28
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