| 飞机结冰冰型微结构特征的分形研究 |
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| 引用本文： | 杜雁霞,桂业伟,柯鹏,王勋年.飞机结冰冰型微结构特征的分形研究[J].航空动力学报,2011,26(5):997-1002. |
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| 作者姓名： | 杜雁霞 桂业伟 柯鹏 王勋年 |
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| 作者单位： | 1. 中国空气动力研究与发展中心计算空气动力研究所,四川绵阳,62100O
2. 北京航空航天大学交通科学与工程学院,北京,100191 |
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| 基金项目： | 国家自然科学基金，中国博士后科学基金特别资助项目 |
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| 摘 要： | 基于分形几何的基本理论,采用结冰风洞实验与金相显微实验相结合的方法,对飞机结冰冰型的微结构特征进行了研究.采用计盒维数法对冰型微结构的分形维数进行了计算,获得了不同条件下前缘结冰及溢流结冰冰型的分形维数,并建立了冰型分形维数与结冰条件之间的关系.研究表明,来流温度和速度对冰型的微结构特征及其分形维数有着重要影响.来流速...
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| 关 键 词： | 飞机 结冰 冰型 微结构特征 分形几何 分形维数 |
| 收稿时间： | 2010/4/25 0:00:00 |
| 修稿时间： | 2010/7/26 0:00:00 |
Investigation on the ice-type microstructure characteristics of aircraft icing based on the fractal theories |
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| DU Yan-xi,GUI Ye-wei,KE Peng and WANG Xun-nian.Investigation on the ice-type microstructure characteristics of aircraft icing based on the fractal theories[J].Journal of Aerospace Power,2011,26(5):997-1002. |
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| Authors: | DU Yan-xi GUI Ye-wei KE Peng and WANG Xun-nian |
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| Institution: | DU Yan-xia1,GUI Ye-wei1,KE Peng2,WANG Xun-nian1(1.Computational Aerodynamics Institute,China Aerodynamics Research and Development Center,Mianyang Sichuan 621000,China,2.School of Transportation Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) |
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| Abstract: | The ice-type microstructure characteristics of aircraft icing were investigated by combining icing tunnel and metallography tests based on the theories of fractal geometry.The fractal dimension of the ice-type microstructure was calculated by means of box-counting dimension method,and the relationship between the fractal dimension and the icing conditions was analyzed.The results indicate that the inflow temperature and velocity of the airflow have great influence on the fractal dimension of ice-type micros... |
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| Keywords: | aircraft icing ice-type microstructure characteristics two-phase flow numerical simulation |
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