| 内弹道两相流方程组的类型和颗粒间应力 |
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| 引用本文： | 金志明,李文杰.内弹道两相流方程组的类型和颗粒间应力[J].兵工学报,1994,15(2):13-18. |
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| 作者姓名： | 金志明 李文杰 |
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| 作者单位： | 南京理工大学(金志明，袁亚雄，翁春生)，中国兵器工业总公司(李文杰) |
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| 摘 要： | 根据一阶拟线性偏微分方程组的特征理论，讨论内弹道两相流方程组的类型。颗粒间应力的存在是决定方程组类型的重要条件。对火药床的颗粒间应力作定性和定量的分析。
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| 关 键 词： | 两相流 偏微分方程 内弹道 |
CLASSIF ICATION OF TWO-PHASE FLOW EQUATIONS ININTERIOR BALLISTICS AND INTERGRANULAR STRESS |
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| Jin Zhiming,Yuan Yaxiong,Weng Chunsheng,Li Wenjie.CLASSIF ICATION OF TWO-PHASE FLOW EQUATIONS ININTERIOR BALLISTICS AND INTERGRANULAR STRESS[J].Acta Armamentarii,1994,15(2):13-18. |
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| Authors: | Jin Zhiming Yuan Yaxiong Weng Chunsheng Li Wenjie |
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| Affiliation: | Jin Zhiming;Yuan Yaxiong;Weng Chunsheng;Li Wenjie(Nanjins University of Science & Technology)(COI) |
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| Abstract: | Following the theory on characteristics of first order quasi-linear partial differential equations,classification of the balance equations for two-phase flow in interior ballistics is discussed.The presence of intergranular stress in the propellant bed is a key factor that determines the classification of the balance equation.The paper also analyses qualitatively and quantitatively the intergranular stress of the propellant bed. |
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| Keywords: | two-phase flow partial differential equation interior ballistics intergranular stress |
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