| 三角翼受迫俯仰滚转耦合运动的气动特性研究 |
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| 引用本文： | 郭迪龙,杨国伟,康宏琳,王发民. 三角翼受迫俯仰滚转耦合运动的气动特性研究[J]. 空气动力学学报, 2007, 25(1): 65-69 |
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| 作者姓名： | 郭迪龙 杨国伟 康宏琳 王发民 |
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| 作者单位： | 中国科学院力学研究所高温气动重点实验室,北京,100080;北京航空航天大学国家计算流体力学重点实验室,北京,100083 |
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| 基金项目： | 国家自然科学基金（10372106）资助项目. |
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| 摘 要： | 基于刚性动网格的技术,选用B-L湍流模型,利用有限控制体积法对N-S方程进行数值离散,对76°大后掠三角翼的受迫俯仰滚转耦合运动进行了数值模拟,在此基础上,对俯仰滚转耦合运动的气动力特性和流场结构进行了分析。计算结果表明:俯仰滚转耦合运动时,三角翼上表面的涡分布的非对称性将产生横侧方向的偏航力矩和滚转力矩,滚转力矩和偏航力矩随着滚转振幅角和滚转缩减频率的增大而增大,但对法向力影响不大。
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| 关 键 词： | 三角翼 气动特性 受迫俯仰滚转耦合运动 涡结构 |
| 文章编号： | 0258-1825（2007）01-0065-05 |
| 修稿时间： | 2005-05-112005-12-09 |
Study of aerodynamic characteristics of coupled-forced pitching and rolling of a delta wing |
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| GUO Di-long,YANG Guo-wei,KANG Hong-ling,WANG Fa-ming. Study of aerodynamic characteristics of coupled-forced pitching and rolling of a delta wing[J]. Acta Aerodynamica Sinica, 2007, 25(1): 65-69 |
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| Authors: | GUO Di-long YANG Guo-wei KANG Hong-ling WANG Fa-ming |
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| Affiliation: | 1. Key Laboratory of High Temperature Gas Dynamic, Institute of Mechanics,Chinese Academy of,Sciences, Beijing 100080, China ; 2. National Key Laboratory of CFD, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | Based on the rigid moving grid technique,the N-S equations with BL turbulence model are dispersed with finite-volume scheme method.The movement of a coupled-forced pitching and rolling delta wing is investigated.The aerodynamic characteristics and flow-field are analyzed.The calculated results demonstrate the unsymmetrical vortex causes rolling moment and yawing moment.The rolling moment and yawing moment will augment with the rolling frequency and rolling amplitude increasing.The normal force will not be affected. |
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| Keywords: | delta wing aerodynamics characteristics coupled-forced pitching and rolling motion vortex structure |
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