Shear-thickening of dense bidispersed suspensions

Shear-thickening of dense bidispersed suspensions
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致密双分散悬浮液的剪切增稠

DOI:
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发表时间:
2022
期刊:
Meccanica (Milano. Print)
影响因子:
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通讯作者:
M. Rosti
M. Rosti
中科院分区:
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文献类型:
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作者:
A. Monti;M. Rosti

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我们研究了不同的两个分散相的相对大小的致密的双分散悬浮液的流变行为。我们的分析的主要结果是,可以通过增加相的分散比来实现悬浮液的增强的流动性(降低的相对粘度)。我们解释所观察到的结果表明,大颗粒的存在下,增加了包装效率的悬浮液,导致减少的贡献的接触的整体粘度的悬浮液中的剪切增稠制度,即其中的接触是占主导地位的组件。
We study the rheological behaviour of a dense bidispersed suspension varying the relative size of the two dispersed phases. The main outcome of our analysis is that an enhanced flowability (reduced relative viscosity) of the suspension can be achieved by increasing the dispersion ratio of the phases. We explain the observed result by showing that the presence of large particles increases the packing efficiency of the suspension, leading to a reduction of the contribution of the contacts on the overall viscosity of the suspension in the shear-thickening regime, i.e. where the contacts are the dominating component.
粗糙度对浓缩非布朗悬浮液流变学的影响:数值研究
DOI: 10.1122/1.5097794
发表时间: 2020
影响因子: 3.3
作者:
More, Rishabh V.;Ardekani, Arezoo M.
通讯作者: Ardekani, Arezoo M.