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| Aeroelastic analysis of a large aspect ratio wing based on the effect of propeller slipstream |
| Received:August 06, 2021 Revised:November 12, 2021 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7511/jslx20210806001 |
| KeyWord:high aspect ratio wing sliding mesh propeller slipstream CFD/CSD two-way coupling aeroelasticity |
| Author | Institution |
| 唐佳栋 |
浙江大学 航空航天学院, 杭州 |
| 王高峰 |
浙江大学 航空航天学院, 杭州 |
| 叶尚军 |
浙江大学 航空航天学院, 杭州 |
| 娄斌 |
之江实验室, 杭州 |
| 黄志龙 |
浙江大学 航空航天学院, 杭州 |
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| Abstract: |
| In order to solve the complex coupling problem between distributed electric propeller slipstream and high aspect ratio wing, the high aspect ratio wing of a high-altitude long-endurance solar UAV is taken as the research object.Sliding mesh method, dynamic mesh technology and SST k-ω RANS turbulence model and CFD/CSD (Computational Fluid Dynamics/Computational Structural Dynamics) two-way coupling are used to study the effects of different propeller speeds and arrangements as well as aerodynamic damping on aeroelastic response.The numerical results show that propeller slipstream can change the pressure distribution on the wing surface.When the disturbance frequency of the propeller blade to the wing is close to the natural frequency of the wing, the resonance of the wing will be caused.The closer the position of the propeller to the wing tip, or the higher number of propellers, the greater amplitude of the aeroelastic response of the wing. |
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