|本期目录/Table of Contents|

[1]陈婉君,章利特,施红辉,等.激波加载单双圆柱非稳态曳力的数值研究[J].浙江理工大学学报,2015,33-34(自科1):55-61.
　CHEN Wan jun,ZHANG Li te,SHI Hong hui,et al.Numerical study of Unsteady Drag Force in Shock Wave s Interaction with Single/Double Cylindrical Models[J].Journal of Zhejiang Sci-Tech University,2015,33-34(自科1):55-61.
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激波加载单双圆柱非稳态曳力的数值研究()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第33-34卷
期数:
2015年自科1期
页码:
55-61
栏目:
(自科)机械与自动控制
出版日期:
2015-01-10

文章信息/Info

Title:
Numerical study of Unsteady Drag Force in Shock Wave s Interaction with Single/Double Cylindrical Models
文章编号:
1673-3851 (2015) 01-0055-07
作者:
陈婉君;  章利特;  施红辉;  郝李娜;  黄保乾
浙江理工大学机械与自动控制学院, 杭州 310018
Author(s):
CHEN Wanjun;  ZHANG Lite;  SHI Honghui;  HAO Lina;  HUANG Baoqian
School of Mechanical Engineering & Automation, Zhejiang Sci-Tech University,Hangzhou 310018, China
关键词:
激波;  单/双柱;  非稳态曳力;  曳力系数;  相互干涉
分类号:
TK121
文献标志码:
A
摘要:
采用Fluent软件对激波诱导单双圆柱模型绕流场进行二维数值计算,深入研究马赫数为1.14的激波与直径为40 mm的单、双圆柱模型相互作用时绕柱流场的非稳态曳力的形成机理。结果表明:单、双柱模型( H=1 5)的曳力系数C d曲线都存在明显的波峰和多个波谷结构,并以波幅不断减小的方式逐渐趋于某个稳定正值,其中波峰峰值远大于稳态值;相比于单柱情形,由于双柱空间位置的限制,使得环绕每柱的激波结构可以发生相互干涉,从而影响了环绕圆柱的压力以及剪切应力分布,导致单双柱曳力系数曲线波动变化的差异。

参考文献/References:

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［2］ Liu Y. PhysicalMsther Mstical modeling of fluid and particle transportation for DNA vaccination［J］. International Journal of Engineering Science, 2006, 44: 1037-1049.
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［4］ Saito  T, Saba M, Sun M, et al. The effect of an  unsteady  drag force on the structure of a nonequilibrium region behind a shock wave in a gasparticle mixture［J］. Shock Waves, 2007, 17: 255-262.
［5］ Dan I, Ozer I, Lazhar H, et al. Simulation of spheres motion induced by shock waves［J］. Journal of Fluids Engineering, 2012, 10(134): 1-4.
［6］ Tanno  H, Itoh K, Saito T, et al. Shock wave interaction with a sphere in a shock tube［C］//Symposium on  Interdisciplinary Shock Wave Research, 2004: 483-497.

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备注/Memo

备注/Memo:
收稿日期： 2014-06-05
基金项目： 国家自然科学基金项目(51006091);浙江省自然科学基金项目(LY13E060011);流体机械及工程省重点学科及流体工程技术创新团队项目(11130031201301);流动腐蚀与防控技术创新团队(浙理工科〔2013〕13号)
作者简介： 陈婉君(1990-),女,浙江东阳人,硕士研究生,主要从事可压缩性气固两相流方面的研究
通信作者： 章利特,E-mail:langzichsh@zstu.edu.cn
更新日期/Last Update: 2014-12-24