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爆轰波与激波对撞爆轰状态演化机理研究

戴旭刚 张德良 胡宗民 姜宗林

戴旭刚, 张德良, 胡宗民, 姜宗林. 爆轰波与激波对撞爆轰状态演化机理研究[J]. 力学学报, 2012, 44(6): 953-961. doi: 10.6052/0459-1879-12-081
引用本文: 戴旭刚, 张德良, 胡宗民, 姜宗林. 爆轰波与激波对撞爆轰状态演化机理研究[J]. 力学学报, 2012, 44(6): 953-961. doi: 10.6052/0459-1879-12-081
Dai Xugang, Zhang Deliang, Hu Zongmin, Jiang Zonglin. INVESTIGATION INTO MECHANISMS UNDERLYING HEAD-ON COLLISION OF DETONATIONS WITH SHOCK WAVES[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(6): 953-961. doi: 10.6052/0459-1879-12-081
Citation: Dai Xugang, Zhang Deliang, Hu Zongmin, Jiang Zonglin. INVESTIGATION INTO MECHANISMS UNDERLYING HEAD-ON COLLISION OF DETONATIONS WITH SHOCK WAVES[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(6): 953-961. doi: 10.6052/0459-1879-12-081

爆轰波与激波对撞爆轰状态演化机理研究

doi: 10.6052/0459-1879-12-081
基金项目: 国家自然科学基金资助项目(90916028, 11142006).
详细信息
    通讯作者:

    姜宗林

  • 中图分类号: O381

INVESTIGATION INTO MECHANISMS UNDERLYING HEAD-ON COLLISION OF DETONATIONS WITH SHOCK WAVES

Funds: The project was supported by the National Natural Science Foundation of China (90916028, 11142006)
  • 摘要: 对当量比氢氧混合气体中爆轰波与激波的正面对撞过程进行了二维数值研究. 采用了二阶精度NND差分格式与改进的两阶段化学反应模型,并以数值x-t纹影图以及烟迹图记录了对撞过程. 数值研究表明,透射爆轰波受到膨胀影响首先会衰减,甚至产生局部解耦现象;然后由于三波点的碰撞又能再次重新耦合. 在爆轰波对撞过程中,由于燃烧不均匀性而产生的弱横波对爆轰胞格的形成起着重要作用.

     

  • Ng HD, Botros BB, Chao J, et al. Head-on collision of a detonation with a planar shock wave. Shock Waves, 2006, 2: 745-750
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  • 被引次数: 0
出版历程
  • 收稿日期:  2012-03-23
  • 修回日期:  2012-07-09
  • 刊出日期:  2012-11-18

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