FLOW PROPERTIES OF A DUSTY-GAS POINT SOURCE IN A SUPERSONIC FREE STREAM

被引：0

作者：

王柏懿

Alexander N.Osiptsov

Misha A.Teverovshii

机构：

[1] Moscow 119899

[2] Beijing 100080

[3] LNM

[4] Russia

[5] Lomonosov Moscow State University

[6] Institute of Mechanics

[7] P.R.China

[8] Chinese Academy of Sciences

来源：

Applied Mathematics and Mechanics(English Edition) | 2003年 / 08期

基金：

俄罗斯基础研究基金会; 中国国家自然科学基金;

关键词：

dusty gas; supersonic flow; point source; particle inertia; trajectory intersection; multi-layer structure;

D O I：

暂无

中图分类号：

O354.3 [超音速流动];

学科分类号：

080103 ; 080704 ;

摘要：

By using Lagrangian method, the flow properties of a dusty-gas point source in a supersonic free stream were studied and the particle parameters in the near-symmetry-axis region were obtained . It is demonstrated that fairly inertial particles travel along oscillating and intersecting trajectories between the bow and termination shock waves . In this region, formation of " mufti- layer structure" in panicle distribution with alternating low- and high density layers is revealed. Moreover, sharp accumulation of particles occurs near the envelopes of particle trajectories .

引用

页码：928 / 935

页数：8

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