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The modeling of colloidal fluids by the real-coded lattice gas

✍ Scribed by Y. Sakazaki; S. Masuda; J. Onishi; Y. Chen; H. Ohashi

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
340 KB
Volume
72
Category
Article
ISSN
0378-4754

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✦ Synopsis

We model colloid-dispersed fluids using the real-coded lattice gas, in which colloidal particles are treated as hard spheres interacting with solvents of the lattice gas particles. We simulate the Brownian motion of a colloidal particle and compare its velocity distribution with that from the theoretical prediction. Both agree well showing that thermal fluctuation is naturally incorporated. We also measured the drag force acting on a colloidal particle and compare the drag coefficient with existing data. It is found that higher space and time resolutions are required in order to model the correct colloidal fluids interactions.

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