A lattice Boltzmann model of flow blunting
A lattice Boltzmann model of flow blunting
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流动钝化的格子玻尔兹曼模型
DOI：
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发表时间：
2004
期刊：
影响因子：
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通讯作者：
C. M. Care
中科院分区：
文献类型：
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作者：
M. M. Dupin;Ian Halliday;C. M. Care
我们回顾了最近用于模拟大量互不混溶液体物质的多组分格子玻尔兹曼方程方法，然后将其应用于内部几何形状中可变形颗粒的致密体积分数悬浮液的模拟。特别是，我们通过将其应用于含有高体积分数的单分散悬浮可变形颗粒的管道流模拟来说明该方法的范围。颗粒被建模为不混溶、相对粘稠的液滴。我们通过改变颗粒的粘度和表面张力来改变颗粒的“坚固性”，并证明了坚固性对速度分布钝化的影响。
We review our recent multi–component lattice Boltzmann equation method for the simulation of a large number of mutually immiscible liquid species and then apply it to the simulation of dense volume fraction suspensions of deformable particles in internal geometry. In particular, we illustrate the scope of our method by applying it to the simulation of pipe flows containing a high volume fraction of monodisperse suspended, deformable particles. The particles are modelled as immiscible, relatively viscous liquid drops. We modify the ‘solidity’ of the particles by modifying their viscosity and surface tension and demonstrate the effect of the solidity upon the blunting of the velocity profile.