Statistical properties of pseudo-particle systems--颗粒学报PARTICUOLOGY

Chen, F., & Ge, W. (2010). Statistical properties of pseudo-particle systems. Particuology, 8(4), 332-342. https://doi.org/10.1016/j.partic.2010.02.001

Statistical properties of pseudo-particle systems

Feiguo Chen, Wei Ge^*

State Key Laboratory of Multi-Phase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

10.1016/j.partic.2010.02.001

Volume 8, Issue 4, August 2010, Pages 332-342

Received 20 July 2009, Accepted 20 February 2010, Available online 7 June 2010.

E-mail: wge@home.ipe.ac.cn

Highlights

Abstract

Pseudo-particle modeling (PPM), a molecular modeling method which combines time-driven algorithms and hard molecule modeling, was originally developed for simulating gas in complex multiphase systems (Ge and Li, 2003, Ge et al., 2005, Ge, 1998). In this work, the properties of two- and three-dimensional pseudo-particle systems, namely, mean free path, compressibility factor, self-diffusion coefficient and shear viscosity, are systematically measured by using PPM. It is found that in terms of an effective diameter, the results well conform to the Chapman–Enskog theory, thus suggesting that PPM can be employed to simulate the micro- and meso-scale behavior of ordinary gas and fluid flows.

Graphical abstract

Keywords

Pseudo-particle modeling; Molecular dynamics; Transport coefficient; Chapman–Enskog theory

文章导读