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可控肥皂膜气柱界面与激波相互作用的实验研究

罗喜胜 王显圣 陈模军 翟志刚

实验流体力学Issue(2):7-13,26,8.
实验流体力学Issue(2):7-13,26,8.DOI:10.11729/syltlx20140015

可控肥皂膜气柱界面与激波相互作用的实验研究

罗喜胜 1王显圣 1陈模军 1翟志刚1

作者信息

  • 1. 中国科学技术大学 近代力学系先进推进实验室,合肥 230027
  • 折叠

摘要

Abstract

A simple method of generating gas cylinder is proposed by using the soap film tech-nique.The formed interface is free of supporting mesh and the initial condition can be well con-trolled .Experiments are then carried out in a horizontal shock tube for a planar shock wave inter-acting with a two-dimensional or three-dimensional cylinder using high-speed schlieren technique. It is found that the schlieren images have fewer disturbing waves and the evolving interfaces are more symmetric comparing with the results in literature.Special attention is given to the three-dimensional effects caused by the minimum surface feature on the interface evolution and it is in-dicated that the interface evolving rate of three-dimensional cylinder is slower than that of two-di-mensional cylinder.This work will facilitate more understanding about the three-dimensional effect on the development of the Richtmyer-Meshkov instability.

关键词

肥皂膜/Richtmyer-Meshkov不稳定性/极小曲面/激波-气柱相互作用

Key words

soap film/Richtmyer-Meshkov instability/minimum surface/shock-cylinder inter-action

分类

航空航天

引用本文复制引用

罗喜胜,王显圣,陈模军,翟志刚..可控肥皂膜气柱界面与激波相互作用的实验研究[J].实验流体力学,2014,(2):7-13,26,8.

基金项目

犉狅狌狀犱犪狋犻狅狀犻狋犲犿National Natural Science Foundation of China(10972214);Knowledge Innovation Program of the Chinese Acad-emy of Sciences ()

实验流体力学

OA北大核心CSCDCSTPCD

1672-9897

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