| 可连续光滑偏转后缘的变弯度翼型气动特性分析 |
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| 引用本文： | 陈钱,白鹏,尹维龙,冷劲松,詹慧玲,刘子强.可连续光滑偏转后缘的变弯度翼型气动特性分析[J].空气动力学学报,2010,28(1). |
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| 作者姓名： | 陈钱 白鹏 尹维龙 冷劲松 詹慧玲 刘子强 |
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| 作者单位： | 1. 中国航天空气动力技术研究院,北京,100074
2. 哈尔滨工业大学航天学院,黑龙江哈尔滨,150080 |
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| 基金项目： | 国家自然科学基金资助项目(90605005) |
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| 摘 要： | 以变弯度翼型为研究对象,计算了其六种外形的绕流流场,分析了不同的连续光滑变形翼型与传统偏转翼型的气动特性,讨论了变形参数对气动特性的影响,研究了气动特性的产生机理;与此同时,以形状记忆聚合物柔性蒙皮和机械结构实现了可连续光滑偏转后缘的变弯度翼型,并在风洞实验中测试了其气动特性。计算和实验结果表明:可连续光滑偏转后缘的变弯度翼型能改进传统主翼-简单襟翼翼型的气动特性和流场分离特性;可变形段范围、转轴位置、后缘偏转角度、后缘高度等变形参数对气动特性具有显著影响。
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| 关 键 词： | 变弯度翼型 气动特性 流动机理 连续光滑偏转后缘 形状记忆聚合物 |
Analysis on the aerodynamic characteristics of variable camber airfoils with continuous smooth morphing trailing edge |
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| CHEN Qian,BAI Peng,YING Wei-long,LENG Jing-song,ZHAN Hui-ling,LIU Zi-qiang.Analysis on the aerodynamic characteristics of variable camber airfoils with continuous smooth morphing trailing edge[J].Acta Aerodynamica Sinica,2010,28(1). |
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| Authors: | CHEN Qian BAI Peng YING Wei-long LENG Jing-song ZHAN Hui-ling LIU Zi-qiang |
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| Institution: | 1.China Academy of Aerospace Aerodynamics/a>;Beijing 100074/a>;China/a>;2.School of Astronautics/a>;Harbin Institute of Technology/a>;Harbin/a>;Heilongjiang 150080/a>;China |
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| Abstract: | Choosing variable camber airfoils as the objective,computations on the flow field around six configurations were carried out,the aerodynamic characteristics of different continuous smooth morphing airfoils and conventional deflection airfoil were analyzed,the impact of morphing parameters on aerodynamic characteristics was discussed,and the formation mechanism of the aerodynamic characteristics was studied;meanwhile,variable camber airfoil with continuous smooth morphing trailing edge was realized using sha... |
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| Keywords: | variable camber airfoil aerodynamic characteristics flow mechanism continuous smooth morphing trailing edge shape memory polymer |
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