论文标题

稀释颗粒气体混合物的流变学,谷物通过平方肩和井势相互作用

Rheology of dilute granular gas mixtures where the grains interact via a square shoulder and well potential

论文作者

Yoshii, Kiwamu, Takada, Satoshi, Kurosawa, Kosuke, Pöschel, Thorsten

论文摘要

我们发展了稀颗粒气体混合物的流变学。由带电颗粒颗粒的相互作用的动机,我们假设谷物通过平方肩和良好的潜力相互作用。使用动力学理论,我们计算温度和剪切粘度作为剪切速率的功能。数值模拟证实了我们的结果高于临界剪切速率。以低于临界值的剪切速率,发生颗粒的聚类。

We develop the rheology of a dilute granular gas mixture. Motivated by the interaction of charged granular particles, we assume that the grains interact via a square shoulder and well potential. Employing kinetic theory, we compute the temperature and the shear viscosity as functions of the shear rate. Numerical simulations confirm our results above the critical shear rate. At a shear rate below a critical value, clustering of the particles occurs.

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