| 翼型失速的非线性动力学特性及其控制 |
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| 引用本文： | 张家忠,李凯伦,陈丽莺.翼型失速的非线性动力学特性及其控制[J].航空学报,2011,32(12):2163-2173. |
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| 作者姓名： | 张家忠 李凯伦 陈丽莺 |
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| 作者单位： | 1. 西安交通大学能源与动力工程学院,陕西西安,710049
2. 深圳中广核工程设计有限公司常规岛与公用设施所,广东深圳,518057 |
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| 基金项目： | 教育部新世纪优秀人才支持计划(NCET-07-0685)~~ |
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| 摘 要： | 以NACA0012翼型为研究对象,应用CBS( Characteristic-Based Split)有限元方法对翼型绕流流场进行数值模拟,着重对翼型失速现象的动力学机理和特征进行研究.首先给出了静止翼型在不同迎角下流场的瞬时流线图以及静态翼型的迎角-升力系数关系曲线,并且分析出此曲线具有滞后、突跳等典型的非线性动力学...
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| 关 键 词： | 翼型 失速 分岔 非线性分析 漩涡脱落 |
| 收稿时间： | 2011-04-25; |
Nonlinear Dynamics of Static Stall of Airfoil and Its Control |
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| ZHANG Jiazhong,LI Kailun,CHEN Liying.Nonlinear Dynamics of Static Stall of Airfoil and Its Control[J].Acta Aeronautica et Astronautica Sinica,2011,32(12):2163-2173. |
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| Authors: | ZHANG Jiazhong LI Kailun CHEN Liying |
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| Institution: | ZHANG Jiazhong1,LI Kailun1,CHEN Liying2 1.School of Energy and Power Engineering,Xi'an Jiaotong University,Xi'an 710049,China 2.CI and BOP Department,China Nuclear Power Design Company Ltd(Shenzhen),Shenzhen 518057,China |
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| Abstract: | Using the CBS(Characteristic-Based Split) finite element method,this paper studies in detail the nonlinear dynamics of stall of airfoil NACA0012.First,the Instantaneous streamline patterns and the angle of attack lift coefficient curves of flows around the static airfoil are presented,and much attention is paid to the hysteresis and jumping phenomena in the angle of attack lift coefficient curve.Next,on the basis of the fixed point bifurcation theory in the map,by introducing a map into the flow field numer... |
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| Keywords: | airfoil stall bifurcation nonlinear analysis vortex shedding |
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