| 运动体高速入水非定常过程研究 |
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| 引用本文： | 安伟光,蒋运华,安海.运动体高速入水非定常过程研究[J].工程力学,2011(3):251-256. |
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| 作者姓名： | 安伟光 蒋运华 安海 |
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| 作者单位： | 哈尔滨工程大学航天工程系; |
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| 基金项目： | 国防“十一五”基础科研项目(A2420061291) |
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| 摘 要： | 依据气体泄漏规则建立起空泡深水闭介后空泡内气体平衡方程.将空泡内压力作为时间函数,采用Logvinovich的空泡截面独立扩张原理分析空泡的发展.给出运动体姿态计算的动力学方程,分析运动体入水及带空泡航行的受力特性.综合考虑窄泡内气体平衡,空泡截面扩展及运动体姿态的祸合方程,给出数值求解运动体带空泡高速入水非定常过程的...
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| 关 键 词： | 超空泡 高速入水 非定常运动 深水闭合 空泡壁面波 |
THE UNSTEADY WATER ENTRY PROCESS STUDY OF HIGH-SPEED VEHICLE |
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| AN Wei-guang,JIANG Yun-hua,AN Hai.THE UNSTEADY WATER ENTRY PROCESS STUDY OF HIGH-SPEED VEHICLE[J].Engineering Mechanics,2011(3):251-256. |
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| Authors: | AN Wei-guang JIANG Yun-hua AN Hai |
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| Affiliation: | *AN Wei-guang,JIANG Yun-hua,AN Hai(Department of Aerospace Engineering,Harbin Engineering University,Harbin,Heilongjiang 150001,China) |
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| Abstract: | The gas balance equations were established for closed cavity based on the law of gas leak.The development of cavity was analyzed by the independence principle of the cavity expansion of Logvinovich and the cavity pressure is a function of time.The dynamic equations for vehicle gesture calculation were given and the load characteristics of the water entry and vehicle movement with supercavitation were analyzed.Considering the coupling of gas balance equations,cavity section expression and dynamic equations,t... |
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| Keywords: | supercavitation high-speed water entry unsteady movement deep closure cavity wall wave |
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