| 爆轰作用下飞层的界面不稳定性 |
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| 引用本文： | 王文强.爆轰作用下飞层的界面不稳定性[J].高压物理学报,1993,7(4):272-278. |
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| 作者姓名： | 王文强 |
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| 作者单位： | 中国工程物理研究院流体物理研究所冲击波物理与爆轰物理实验室 成都523信箱 |
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| 摘 要： | 计算了在平面一维爆轰驱动和滑移爆轰驱动下飞层的界面不稳定性问题。一维爆轰驱动的计算结果与实验符合较好；滑移爆轰驱动尚无实验可比，只是给出了一个算例，由于Helmholtz不稳定性，不仅导致振幅增长，还导致了位相移动。
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| 关 键 词： | 界面不稳定性 一维驱动 滑移爆轰 理想不可压流体 |
| 收稿时间： | 1993-03-18; |
THE INTERFACE INSTABILITY OF THE FLYER DRIVEN BY EXPLOSION |
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| Wang Wenqiang.THE INTERFACE INSTABILITY OF THE FLYER DRIVEN BY EXPLOSION[J].Chinese Journal of High Pressure Physics,1993,7(4):272-278. |
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| Authors: | Wang Wenqiang |
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| Institution: | Laboratory fur Shock Wave and Detonation Physics Research, Southwest Institute of Fluid Physics, Chengdu 610003, China |
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| Abstract: | The interface instability of a flyer driven by one dimensional or by sliding explosive detonation was studied. The computational results for one dimensional driving are in accord with the experimental results. For sliding explosion, however, there exist no experimental results to compare with, only the computational result is given, which shows a phaseshift accompanying with an amplitude increasement due to the Helmholtz instability.Both the flyer and the detonation products were considered as the ideal and incompressible fluid. From the mass and momentum equations and the interface continuation conditions, the relative differential equations were deduced via the method of small perturbation, and then resolved numerically. |
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| Keywords: | interface instability one dimensional driving sliding explosion ideal and in-compressible fluid |
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