A time-domain method for the determination of unsteady pressure with a tube of constant cross-section

被引：1
|
作者：
Ehrendorfer, K [1 ]
Ottitsch, F [1 ]
Sockel, H [1 ]
机构：
[1] Vienna Tech Univ, Inst Stromungslehre & Warmeubertragung, A-1040 Vienna, Austria
来源：
JOURNAL OF COMPUTATIONAL PHYSICS | 1998年 / 142卷 / 01期
关键词：
D O I：
10.1006/jcph.1998.5932
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper a new method for the determination of unsteady pressure with a tubing system is shown. The conventional methods try either to optimize the frequency behaviour of the tubing system by implementing restrictors or instantaneous jumps in the cross-sectional area or to correct the measurement by using the transfer function of the tubing system. The new method presented here simply uses a tube with constant, circular cross-section and solves the governing fluid-mechanic equations in the time-domain by numerically propagating in the direction of the spatial axis. (C) 1998 Academic Press.
引用
收藏
页码：67 / 79
页数：13
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