| 抛物线后掠桨尖旋翼悬停气动特性试验及理论分析研究 |
| |
| 引用本文： | 林永峰,陈平剑,招启军.抛物线后掠桨尖旋翼悬停气动特性试验及理论分析研究[J].直升机技术,2008(3):69-73. |
| |
| 作者姓名： | 林永峰 陈平剑 招启军 |
| |
| 作者单位： | 1. 中国直升机设计研究所,景德镇,333001
2. 南京航空航天大学,南京,210016 |
| |
| 摘 要： | 对一种新型桨尖旋翼开展了悬停状态气动特性的试验和理论分析研究.该旋翼桨叶截面选择OA翼型配置,桨尖为抛物线后掠加下反形式.首先,在旋翼台上测量了该旋翼在不同总距条件下的桨叶表面压强分布,并与数值计算的结果进行了对比.为进一步分析旋翼桨尖形式对悬停气动特性的影响,本文还计算了带不同下反角桨尖形式旋翼在相同工作状态下的桨叶表面压力分布.综合试验及理论分析结果,得到了一些有意义的结论.
|
| 关 键 词： | 直升机 旋翼 悬停 气动特性 气动试验 新型桨尖 |
Theoretical and Experimental Research on the Aerodynamic Characteristics of the Rotor with the Parabola Sweepback Blade-tip in Hover |
| |
| Authors: | LIN Yong-feng CHEN Ping-jian ZHAO Qi-jun |
| |
| Institution: | LIN Yong-feng1,CHEN Ping-jian1,ZHAO Qi-jun2(1.China Helicopter Research , Development Institute,Jingdezhen,333001,2.Nanjing University of Aeronautics , Astronautics,Nanjing,210016) |
| |
| Abstract: | The theoretical and experimental researches on the aerodynamic characteristics of the rotor with advanced blade tip-shape in hover were conducted.The shape of the blade-tip is Parabola sweepback and anhedral,and the blade airfoil configure was composed of OA type airfoil in different spanwise location respectively.The coefficients of the surface pressure in several blade sections under the condition of different collective angles were measured on the model rotor test rig.In order to investigate the effect o... |
| |
| Keywords: | helicopter rotor hover aerodynamic characteristic aerodynamic experimental new type blade-tip |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
