|本期目录/Table of Contents|

[1]郝李娜,章利特,王天航,等.激波诱导模型球阵非稳态阻力的数值模拟研究[J].浙江理工大学学报,2016,35-36(自科5):726-733.
　HAO Lina,ZHANG Lite,WANG Tianhang,et al.Numerical Simulation Study on Unsteady Drag Force Acting on Model Sphere Array Induced by Shock Wave[J].Journal of Zhejiang Sci-Tech University,2016,35-36(自科5):726-733.
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激波诱导模型球阵非稳态阻力的数值模拟研究()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第35-36卷
期数:
2016年自科5期
页码:
726-733
栏目:
出版日期:
2016-09-10

文章信息/Info

Title:
Numerical Simulation Study on Unsteady Drag Force Acting on Model Sphere Array Induced by Shock Wave
文章编号:
1673-3851 (2016) 05-0726-08
作者:
郝李娜; 章利特; 王天航; 施红辉
浙江理工大学机械与自动控制学院，杭州 310018
Author(s):
HAO Lina;  ZHANG Lite;  WANG Tianhang;  SHI Honghui
Faculty of Mechanical Engineering & Automation, Zhejiang Sci-Tech  University, Hangzhou 310018, China
关键词:
激波; 模型球阵; 非稳态阻力; 阻力系数; 激波干涉
分类号:
TK121
文献标志码:
A
摘要:
采用CFD软件，对激波诱导单排四球模型球阵绕流场进行三维数值模拟，在计算模型和方法准确性验证基础上，分析模型球非稳态阻力的形成机理，并揭示激波马赫数M s 和无量纲间距H对非稳态阻力和激波结构的影响。结果表明：模型球阻力系数C d 曲线存在一个尖锐的最大值波峰和一个波谷的结构，且最终趋于某一稳态正值；M s越小，C d峰值越大，谷值越小，C d曲线波动幅度越大；激波反射、衍射、聚焦和干涉行为共同影响非稳态阻力系数；无量纲间距H越小，相邻球的激波干涉越显著，C d峰值越大。

参考文献/References:

［1］ SUN M, SAITO T, TAKAYAMA K, et al. Unsteady drag on a sphere by shock wave loading［J］. Shock Waves,2005,14(1/2):3-9.
［2］ 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(4):255-262.
［3］ IGRA D, IGRA O, HOUAS L, et al. Simulation of spheres motion induced by shock waves［J］. Journal of Fluids Engineering,2012,134(10):21-24.
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［5］ 章利特,施红辉,王超,等.激波与可运动颗粒群相互作用反射与透射机理实验研究［J］.应用力学学报,2010,27(2):280-285.
［6］ 张晓娜,岳树元,章利特,等.激波驱动的气固两相流力学特性研究［J］.水动力学研究与进展:A辑,2008,23(5):538-545.
［7］ SHI H H, YAMAMURA K. The interaction between shock waves and solid spheres arrays in a shock tube［J］. Acta Mechanica Sinica,2004,20(3):219-227.
［8］ 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,2015,30(2):208-212.
［9］ JOURDAN G, HOUAS L, IGRA O, et al. Shock tube study of the drag coefficient of a sphere［J］. Shock Waves,2009,7:521-526.
［10］PARMAR  M, HASELBACHER A, BALACHANDAR S. Improved drag correlation for spheres and application to shocktube experiments［J］. AIAA Journal,2010,48(6):1273-1276.

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备注/Memo

备注/Memo:
收稿日期： 2015-11-16
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： 郝李娜(1990-)，女，山西太原人，硕士研究生，主要从事湍流与复杂流动以及可压缩性与瞬态流动方面的研究
通信作者： 章利特，E-mail: langzichsh@zstu.edu.cn
更新日期/Last Update: 2016-10-12