| 近耦合鸭式布局鸭翼展向吹气涡控技术数值模拟研究 |
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| 引用本文： | 刘沛清,樊文博,曹硕.近耦合鸭式布局鸭翼展向吹气涡控技术数值模拟研究[J].飞机设计,2010,30(5):7-11,30. |
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| 作者姓名： | 刘沛清 樊文博 曹硕 |
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| 作者单位： | 北京航空航天大学,航空科学与工程学院,北京,100191 |
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| 基金项目： | 国防预研基金项目(9140A13020307HK0127,9140A13040109HK149)资助 |
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| 摘 要： | 采用鸭翼展向吹气间接涡控技术,对后掠角为50°的主翼和鸭翼气动布局进行数值模拟,给出不同吹气动量系数下的数值模拟结果,建立了鸭翼吹气动量系数与布局气动力系数之间的关系。并针对该布局模型,将风洞测力、测压以及水洞流动显示试验结果与数值模拟结果进行了详细的分析比较,结果表明,对鸭翼实施展向吹气技术,确实可以延迟和控制主翼涡破裂、增大升力的效果,在大迎角下把鸭翼作为涡发生器对主翼进行控制是可行的,计算结果与试验结果定性上是吻合的,是可以模拟这种复杂流场的。
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| 关 键 词： | 鸭翼布局 间接涡控制技术 展向吹气 数值模拟 |
Numerical Simulation on Vortex-Control Technology of Canard-Spanwise Blowing of Close-Coupled Canard Wing Configuration |
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| LIU Pei-qing,FAN Wen-bo,CAO Shuo.Numerical Simulation on Vortex-Control Technology of Canard-Spanwise Blowing of Close-Coupled Canard Wing Configuration[J].Aircraft Design,2010,30(5):7-11,30. |
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| Authors: | LIU Pei-qing FAN Wen-bo CAO Shuo |
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| Institution: | LIU Pei-qing,FAN Wen-bo,CAO Shuo(School of Aviation Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) |
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| Abstract: | Associating with advantages of the close-coupled canard-wing configuration and wing-spanwise blowing,the indirect-vortex-control technology of canard-spanwise blowing has been used,Using the canard as a vortex generator,the canard-spanwise blowing can strengthen the canard vortex,by making use of the advantageous interaction between canard and wing vortex,the strength of wing vortex is enhanced,the lift is increased,and the high-attack and post-stall maneuverability of fi ghter are improved.In this paper,th... |
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| Keywords: | canard configuration indirect-vortex-control technology spanwise blowing numerical simulation |
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