| 旋转流场下模型大幅俯仰运动实验研究 |
| |
| 引用本文： | 高剑军,卜忱,杜希奇.旋转流场下模型大幅俯仰运动实验研究[J].实验力学,2010,25(2):207-211. |
| |
| 作者姓名： | 高剑军 卜忱 杜希奇 |
| |
| 作者单位： | 1. 北京航空航天大学,北京,100083
2. 中国航空工业空气动力研究院,哈尔滨,150001 |
| |
| 摘 要： | 在中航气动院FL-8低速风洞中,采用单自由度振荡机构进行了旋转流场下大幅俯仰运动的气动特性实验研究。模型在绕风速轴连续旋转的同时,进行给定频率和振幅绕体轴的俯仰振荡运动。测量了模型的动态气动特性,着重分析了不同运动参数对模型气动特性的影响。实验结果表明,旋转速度的存在使大振幅俯仰振荡实验中的滚转力矩和偏航力矩产生了明显的迟滞特性,但对俯仰力矩和法向力的迟滞特性影响不大。
|
| 关 键 词： | 旋转流场 俯仰运动 动态气动特性 |
| 修稿时间： | 2/5/2010 12:00:00 AM |
Experimental Investigation on Aerodynamic Characteristics of Model in Large Amplitude Pitching Movement in a Rotational Flow Field |
| |
| GAO Jian-jun,BU Chen and DU Xi-qi.Experimental Investigation on Aerodynamic Characteristics of Model in Large Amplitude Pitching Movement in a Rotational Flow Field[J].Journal of Experimental Mechanics,2010,25(2):207-211. |
| |
| Authors: | GAO Jian-jun BU Chen and DU Xi-qi |
| |
| Institution: | GAO Jian-jun1,BU Chen2,DU Xi-qi2(1.Beijing University of Aeronautics , Astronautics,Beijing 100083,China,2.China Aerodynamics Research Institute of Aeronautics,Harbin 150001,China) |
| |
| Abstract: | Experimental investigation on unsteady aerodynamic characteristics of model in large amplitude pitching movement in a rotational flow field was conducted in a FL-8 low-speed wind tunnel at China Aerodynamics Research Institute of Aeronautics based on a single degree of freedom oscillation mechanism.The model was oscillated about its body axis with selected pitching frequency and amplitude during its continuous rotation about the wind axis.Six components indicating its unsteady aerodynamic characteristics we... |
| |
| Keywords: | rotational flow field pitching movement unsteady aerodynamic characteristic |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《实验力学》浏览原始摘要信息 |
| 点击此处可从《实验力学》下载免费的PDF全文 |
|
