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激波与爆轰波对撞的数值模拟研究
Alternative TitleNUMERICAL INVESTIGATION ON THE COLLISION BETWEEN DETONATIONS AND SHOCKS
韩桂来; 姜宗林; 张德良
Source Publication力学学报
2008
Volume40Issue:2Pages:154-161
ISSN0459-1879
Abstract

采用二阶精度NND差分格式和改进的二阶段化学反应模型模拟了爆轰波与激波的对撞过程,研究了不同强度入射激波对爆轰过渡区域的影响.当对撞激波较弱时,透射爆轰波演变主要受流动膨胀作用的影响,可划分为对撞影响区、爆轰恢复区和稳定发展区3个阶段.在爆轰恢复区和稳定发展区,前导激波压力经历一个过冲、然后向稳定爆轰过渡的过程,表现了爆轰波熄爆和再起爆的物理特征.当对撞激波较强时,可燃混合气体的高热力学参数导致了更高的化学反应活化程度,形成了弱爆轰向稳定爆轰的直接转变.

Keyword激波对撞 过渡区域 爆轰波 激波 数值模拟
Subject Area空气动力学 ; 计算流体力学
Indexed ByEI ; CSCD
Language中文
Funding Organization国家自然科学基金(10632090,90205027)
CSCD IDCSCD:3222339
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43240
Collection力学所知识产出(1956-2008)
Corresponding Author韩桂来
Recommended Citation
GB/T 7714
韩桂来,姜宗林,张德良. 激波与爆轰波对撞的数值模拟研究[J]. 力学学报,2008,40(2):154-161.
APA 韩桂来,姜宗林,&张德良.(2008).激波与爆轰波对撞的数值模拟研究.力学学报,40(2),154-161.
MLA 韩桂来,et al."激波与爆轰波对撞的数值模拟研究".力学学报 40.2(2008):154-161.
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