Simulation of High Knudsen Number Gas Flows in Nanochannels via the Lattice Boltzmann Method

被引：0

作者：

Isfahani, A. H. Meghdadi ^{[1
]}

Soleimani, A. ^{[1
]}

Homayoon, A. ^{[1
]}

机构：

[1] Islamic Azad Univ, Najafabad Branch, Dept Mech Engn, Esfahan, Iran

来源：

MEMS, NANO AND SMART SYSTEMS, PTS 1-6 | 2012年 / 403-408卷

关键词：

lattice Boltzmann method; micro and nano flows; Knudsen minimum effect; rarefaction; POISEUILLE;

D O I：

10.4028/www.scientific.net/AMR.403-408.5318

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Using a modified Lattice Boltzmann Method (LBM), pressure driven flow through micro and nano channels has been modeled. Based on the improving of the dynamic viscosity, an effective relaxation time formulation is proposed which is able to simulate wide range of Knudsen number, Kn, covering the slip, transition and to some extend the free molecular regimes. The results agree very well with exiting empirical and numerical data.

引用

页码：5318 / +

页数：4

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