The Fanno model for turbulent compressible flow

被引：0
|
作者：
Ockendon, H. [1 ]
Ockendon, J.R. [1 ]
Falle, S.A.E.G. [2 ]
机构：
[1] OCIAM, Mathematical Institute, Oxford University, 24-29 St. Giles, Oxford OX1 3LB, United Kingdom
[2] Department of Applied Mathematics, University of Leeds, Leeds LS2 9JT, United Kingdom
来源：
Journal of Fluid Mechanics | 2001年 / 445卷
关键词：
Acoustics - Compressible flow - Gases;
D O I：
10.1017/s0022112001005584
中图分类号：
学科分类号：
摘要：
The paper considers the derivation and properties of the Fanno model for nearly unidirectional turbulent flow of gas in a tube. The model is relevant to many industrial processes. Approximate solutions are derived and numerically validated for evolving flows of initially small amplitude, and these solutions reveal the prevalence of localized large-time behaviour, which is in contrast to inviscid acoustic theory. The properties of large-amplitude travelling waves are summarized, which are also surprising when compared to those of inviscid theory.
引用
收藏
页码：187 / 206
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