| 高能固体推进剂燃烧转爆轰数值模拟 |
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| 引用本文： | 贾祥瑞,孙锦山.高能固体推进剂燃烧转爆轰数值模拟[J].兵工学报,1997,18(1):46-51. |
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| 作者姓名： | 贾祥瑞 孙锦山 |
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| 作者单位： | 北京应用物理与计算数学研究所 |
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| 摘 要： | 建立了一维反应两相流模型，对高能固体推进剂多孔床燃烧转爆轰（ＤＤＴ）过程进行了数值模拟。当装填密度为８３．５％ＴＭＤ时，计算表明，药床着火后燃烧阵面前形成一致密波，使阵面前药床受到压缩，并逐渐形成完全压实区。压实区前沿压力达１．８ＧＰａ时，将引起药床第二次点火，且很快过渡到稳态爆轰。
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| 关 键 词： | 固体推进剂 燃烧 爆轰 数值模拟 |
AN ANALYSIS OF THE DEFLAGRATION-TO-DETONATION TRANSITION (DDT) IN NEPE PROPELLANTS |
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| Jia Xiangrui, Li Dong xiang.AN ANALYSIS OF THE DEFLAGRATION-TO-DETONATION TRANSITION (DDT) IN NEPE PROPELLANTS[J].Acta Armamentarii,1997,18(1):46-51. |
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| Authors: | Jia Xiangrui Li Dong xiang |
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| Abstract: | An one-dimensional, two-phase flow model is established. The process of DDT in a 83. 5% TMD propellant porous bed is analyzed with this model. It is shown that a compaction wave is formed ahead of the flame, which compacts the porous bed until the bed is completely collapsed. When the leading pressure of the pore-collapsed zone is beyond 1. 8GPa, the bed is ignited and steady-state detonation occurs quickly. |
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| Keywords: | compaction wave deflagration to detonation transition (DDT) shock wave |
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