Reversible coagulation of colloidal suspension in shallow potential wells: Direct numerical simulation |
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| Authors: | N Kovalchuk V Starov P Langston N Hilal |
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| Institution: | (1) Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, UK;(2) Institute of Biocolloid Chemistry, 03142 Kiev, Ukraine;(3) School of Chemical and Environmental Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK |
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| Abstract: | Brownian dynamics computer simulations of aggregation in 2D colloidal suspensions are discussed. The simulations are based
on the Langevin equations, pairwise interaction between colloidal particles and take into account Brownian, hydrodynamic and
colloidal forces. The chosen mathematical model enables to predict the correct values of diffusion coefficient of freely moving
particle, the mean value of kinetic energy for each particle in ensemble of interacting colloidal particles and residence
times of colloidal particles inside the potential wells of different depths. The simulations allow monitoring formation and
breakage of clusters in a suspension as well as time dependence of the mean cluster size.
The article is published in the original. |
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