| 超空泡运动体通气加速阶段非定常过程研究 |
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| 引用本文： | 蒋运华,安伟光,安海.超空泡运动体通气加速阶段非定常过程研究[J].弹道学报,2011,23(2):67-71. |
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| 作者姓名： | 蒋运华 安伟光 安海 |
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| 作者单位： | 哈尔滨工程大学航天工程系,哈尔滨,150001 |
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| 摘 要： | 依据空泡不同闭合形式的气体泄漏规则和通气系统,建立了空泡内气体的平衡方程.给出用于计算运动体姿态的动力学方程,分析了局部空泡及超空泡航行状态的受力特性.综合考虑了空泡内气体平衡、空泡的发展及运动体姿态的耦合方程,给出通气加速阶段数值求解的方法.获得通气加速阶段通气量、助推推力、运动体姿态及航行弹道的关系.随着推力的增加,依靠推力加快加速过程的优势越来越不明显,且对通气系统的性能要求逐渐增加.
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| 关 键 词： | 超空泡运动体 通气加速 超空泡 通气量 助推推力 |
Study on Unsteady Process of Ventilation Accelerated Motion Stage for Supercavitating Vehicle |
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| JIANG Yun-hua
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AN Wei-guang
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AN Hai.Study on Unsteady Process of Ventilation Accelerated Motion Stage for Supercavitating Vehicle[J].Journal of Ballistics,2011,23(2):67-71. |
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| Authors: | JIANG Yun-hua AN Wei-guang AN Hai |
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| Affiliation: | JIANG Yun-hua,AN Wei-guang,AN Hai(Department of Aerospace Engineering,Harbin Engineering University,Harbin 150001,China) |
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| Abstract: | The balance equations of gas in cavity were established based on gas leakage regulation with different closed forms of cavity and gas-supply system.The dynamic equations used to calculate vehicle attitude were given,and the load characteristics were analyzed in partial cavity and supercavitation.Considering balance equations of gas in cavity,cavity section expression and vehicle attitude equations,the numerical simulation methods of ventilation accelerated motion stage(VAMS) were given.The relations among t... |
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| Keywords: | supercavitating vehicle ventilation acceleration supercavitation ventilation quantity booster thrust |
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