| 含能材料等离子体点火过程的数值模拟 |
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| 引用本文： | 张小兵,袁亚雄,陈键,陈涛. 含能材料等离子体点火过程的数值模拟[J]. 南京理工大学学报(自然科学版), 2004, 28(3): 295-298 |
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| 作者姓名： | 张小兵 袁亚雄 陈键 陈涛 |
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| 作者单位： | 南京理工大学,动力工程学院,江苏,南京,210094;南京理工大学,动力工程学院,江苏,南京,210094;南京理工大学,动力工程学院,江苏,南京,210094;南京理工大学,动力工程学院,江苏,南京,210094 |
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| 基金项目： | 国家自然科学基金项目 (5 9976 0 1 4 )，国防科技重点实验室基金项目 |
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| 摘 要： | 建立含能材料在等离子体作用下的强瞬态热传导模型，对Dufort-Frankel差分格式进行了修正，使得时间和空间都是二阶精度，并对含能材料等离子体点火过程进行数值模拟。结果表明，(1)含能材料药粒直径变化对等离子体点火性能有较大的影响，小药粒条件下，点火延迟时间会明显缩短。(2)等离子体温度的增加会使含能材料的点火时间缩短。(3)热辐射的吸收会使在同一时刻有更多的质点感受到热扰动的存在。
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| 关 键 词： | 含能材料 等离子体点火 数值模拟 |
| 文章编号： | 1005-9830(2004)03-0295-04 |
| 修稿时间： | 2003-05-30 |
Numerical Simulation of Plasma Ignition of Energetic Materials |
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| ZHANG Xiao bing,YUANG Ya xiong,CHEN Jian,CHEN Tao. Numerical Simulation of Plasma Ignition of Energetic Materials[J]. Journal of Nanjing University of Science and Technology(Nature Science), 2004, 28(3): 295-298 |
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| Authors: | ZHANG Xiao bing YUANG Ya xiong CHEN Jian CHEN Tao |
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| Abstract: | An instantaneous heat conduction model of plasma ignition of energetic materials is established.In order to obtain a two order difference scheme,the difference scheme of Dufort Frankel is corrected.The plasma ignition of energetic materials is simulated and some conclusions are drawn:(1) The propellant particle size of energetic materials has a great influence on plasma ignition performances,especially at small particles,and ignition delay is shortened.(2) With the increase of plasma temperature,the ignition time of energetic materials is also shortened.(3) The plasma radiation absorption also influences the plasma ignition delay of energetic materials. |
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| Keywords: | energetic materials plasma ignition numerical simulation |
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