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Citation: Zhang Hui, Zhang Bing-Jian, Liang Shi-Qiang, Lu Ying-Hong, Hu Wen-Xuan. Shear Viscosity of Simple Fluids in Porous Media: Molecular Dynamic Simulations and Correlation Models[J]. Acta Physico-Chimica Sinica, ;2003, 19(04): 352-355. doi: 10.3866/PKU.WHXB20030415 shu

Shear Viscosity of Simple Fluids in Porous Media: Molecular Dynamic Simulations and Correlation Models

1.
Department of Chemistry, Zhejiang University, Hangzhou　310027;Department of Earth Science, Nanjing University, Nanjing　210093

Received Date: 23 July 2002
Available Online: 15 April 2003

Equilibrium molecular dynamics simulations have been used to calculate the shear viscosity of fluid ar n both in macrovolume system and in porous media at different temperatures, densities and pore widths. Simultaneously, based on the Chapman-Enskog(CE) theory for the transport properties of hard-sphere fluids and Heyes relationships which extend the CE theory to Lennard-Jones fluids, two correlation models which can describe the viscosity of simple fluid in porous media are proposed as a function of the reduced temperature, density and pore width. The validity of the models is evaluated by comparing the calculated viscosity to the simulation data.
- Micro pores;Viscosity;Molecular dynamics;Correlation models
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