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
收藏
页码：928 / 935
页数：8
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