| 气相爆轰胞格结构和马赫反射数值模拟 |
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| 引用本文： | 张德良, 谢巍, 郭长铭, 胡湘渝. 气相爆轰胞格结构和马赫反射数值模拟[J]. 爆炸与冲击, 2001, 21(3): 161-167. |
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| 作者姓名： | 张德良 谢巍 郭长铭 胡湘渝 |
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| 作者单位： | 1. 中国科学院力学研究所高温气体动力学开放实验室,
2. 中国科学技术大学力学与机械工程系, |
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| 基金项目： | 国家自然科学基金;19872086; |
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| 摘 要： | 采用简化二阶段化学反应模型和改进的高精度时空守恒方法 (CE/SE)对二维可燃气体DDT过程和爆轰波在楔面上的马赫反射进行了数值模拟 ,计算和实验结果的比较令人满意。
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| 关 键 词： | DDT过程 爆轰波 马赫反射 CE／SE方法 胞格结构 气相 |
| 文章编号： | 1001-1455(2001)03-0161-07 |
| 修稿时间： | 2000-11-14 |
Numerical Simulation of Cellar Structures and Mach Reflection of Gaseous Detonation Waves |
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| ZHANG De liang ,XIE Wei ,GUO Chang ming ,HU Xiang yu. Numerical Simulation of Cellar Structures and Mach Reflection of Gaseous Detonation Waves[J]. Explosion and Shock Waves, 2001, 21(3): 161-167 |
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| Authors: | ZHANG De liang XIE Wei GUO Chang ming HU Xiang yu |
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| Affiliation: | ZHANG De liang 1,XIE Wei 1,GUO Chang ming 2,HU Xiang yu 1 |
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| Abstract: | In this paper the Deflagration to Detonation Transition (DDT) process of combustible gases and Mach Reflection of a detonation wave on a wedge have been numerically simulated with a simplfied two step model (ZND) of chemical reaction and the improved method of space time conservation element and solution element (CE/SE).The computational results were primarily analyzed.The numerical results were compared with experimental results.Compared results are satisfactory.This is the first time to apply the CE/SE method to the chemical reaction flow,especially to the simulation of the DDT process of combustible gases and the Mach reflection of detonation waves. |
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| Keywords: | DDT process detonation wave cellar structure CE/SE method mach reflection |
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