Computational study of a rarefied gas flow through a long circular pipe into vacuum

被引：39

作者：

Titarev, V. A. ^{[1
]}

Shakhov, E. M. ^{[2
]}

机构：

[1] Russian Acad Sci, Dorodnicyn Comp Ctr, Moscow 119333, Russia

[2] Bauman Moscow State Tech Univ, Moscow 105005, Russia

来源：

VACUUM | 2012年 / 86卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

Vacuum; Kinetic equations; S-Model; Unstructured; Micro; Rarefied; Implicit; Non-linear flow; Circular pipes; NUMERICAL-METHOD; SIMULATION; TUBES;

D O I：

10.1016/j.vacuum.2012.02.026

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The paper presents an analysis of the non-linear rarefied gas flow through a circular pipe into vacuum. The main attention is given to the case of the large length to radius ratio. The problem is studied on the basis of the numerical solution of the S-model kinetic equation. Results are compared with the available DSMC data for short tubes as well as with the asymptotic solution corresponding to the infinitely long pipe. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1709 / 1716

页数：8

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