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Simulation:the deposition behavior of Brownian particles in porous media by using the triangular network model

机译：模拟：使用三角网络模型的布朗粒子在多孔介质中的沉积行为

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摘要

The individual Brownian particles movement through the filter bed,and the effect of different interaction energy curves of DLVO theory,on the permeability reduction in a filter bed is investigated by applying the triangular network model using the Brownian dynamics simulation method.When energy barrier exists and both the particle and the pore size distributions are of the Raleigh type,it is found that particles with Brownian motion behavior are easier to get straining at small pores,and resulted in higher permeability reduction than those without considering the Brownian motion behavior.It is found that the present model shows fair agreement between the theory and the permeability reduction and the filter coefficient experimental results when the direct deposition mechanism is dominant.
机译：通过使用布朗动力学模拟方法应用三角网络模型，研究了单个布朗粒子在滤床上的运动以及DLVO理论的不同相互作用能曲线对渗透率降低的影响。颗粒和孔径分布均为Raleigh型，发现具有布朗运动行为的颗粒更容易在小孔中应变，并且比不考虑布朗运动行为的颗粒具有更高的渗透率降低。当直接沉积机理占主导地位时，本模型显示出理论与渗透率降低和过滤系数实验结果之间的合理一致性。

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