气相规则胞格爆轰波起爆与传播统一框架的几个关键基础问题研究
Research on some fundamental problems of the universal framework for regular gaseous detonation initiation and propagation
查看参考文献34篇
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文摘
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本文综并分析了气规则胞格爆轰在起爆与传播方面研究进展,合高温气体动力学重实验室在爆轰物理方面研究工作,进一步研究了气规则胞格爆轰起爆几个关键础问.这些础问由一个制:非性传播/化学反应过程互作用制;两个本过程:热起爆和化学反应带过程;三个关键物理状态:平衡传播状态、临界起爆状态和稳定胞格尺度等六个关键要组成,是统一框架主要本元.通过六个型物理算例,本文研究了这些关键物理要内在制、表现特征及其客观存在性.应用气规则爆轰起爆与传播统一框架,我们成功地释了目前已有经爆轰理论、应用CFD技获多维爆轰计算和实验研究观察到胞格爆轰图像合理性及其依据关键物理要. |
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其他语种文摘
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Research progress on the regular gaseous detonation initiation and propagation is reviewed,and some fundamental problems are studied based on the recent work on the detonation physics in state key lab of high temperature gas dynamics.These problems constituting the universal framework consist of six issues: one mechanism that is the interaction of nonlinear wave propagation and chemical-reaction,INWPCR;two basic procedures,which are the hot pot ignition and the chemical reaction zone acceleration;three key physical states,which are the equilibrium propagation state,the critical initiation state and the stable cell size.These six issues are investigated through six test cases to ascertain their physical mechanisms,dynamic characteristics,and the existence.Then,the universal framework is applied to explain the recent classic detonation theories,multi-dimensional numerical results,and experimental observations on cellular detonation.Reasonable and universal conclusions can be reached on the base of the universal framework,which provides the physical insight for understanding regular gaseous detonation initiation and propagation. |
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来源
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中国科学. 物理学
, 力学, 天文学,2012,42(4):421-435 【核心库】
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DOI
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10.1360/132011-945
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关键词
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气爆轰
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规则胞格
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起爆与传播
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热
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化学反应带
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统一框架
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地址
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中国科学院力学研究所, 高温气体动力学国家重点实验室, 北京, 100190
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1674-7275 |
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学科
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力学 |
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基金
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国家自然科学基金资助项目
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文献收藏号
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CSCD:4537812
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