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Continuous morphing trailing-edge wing concept based on multi-stable nanomaterial

Chinese Journal of Aeronautics 2021年第7期34卷 219-231页

作者： Fengqian HAO Tao TANG Yuan GAO Yimeng LI Shenghui YI Jian LU Department of Mechanical Engineering City University of Hong KongHong Kong 999077China Centre for Advanced Structural Materials City University of Hong Kong Shenzhen Research InstituteGreater Bay Joint DivisionShenyang National Laboratory for Materials ScienceShenzhen 518057China Beijing Thm Technology Co. Ltd.Beijing 100084China

Morphing technology is one of the most effective methods to improve the flight efficiency of *** control surfaces based morphing method is mature and widely used on current civil and military aircraft,but insufficiently effective for the entire flight *** research on morphing wing still faces the challenge that the skin material for morphing should be both deformable and *** this study,a continuous morphing trailing-edge wing with a new multi-stable nano skin material fabricated using surface mechanical attrition treatment technology was proposed and *** fluid dynamics simulation was used to study the aerodynamic performance of the continuous morphing trailing-edge *** show that the lift coefficient increases with the increase of deflection angle and so does the lift-drag ratio at a small angle of *** importantly,compared with the wing using flaps,the continuous morphing trailing-edge wing can reduce drag during the morphing process and its overall aerodynamic performance is improved at a large angle of attack *** field analysis reveals that the continuous morphing method can delay flow separation in some situations.

关键词： Aerodynamic performance Computational fluid dynamics Continuous morphing trailing-edge wing multi-stable nanomaterial Surface mechanical attrition treatment

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