Deformation Measurements of a Full Span Model with Adaptive Elasto-Flexible Membrane Wings

Deformation Measurements of a Full Span Model with Adaptive Elasto-Flexible Membrane Wings
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具有自适应弹性柔性膜翼的全跨度模型的变形测量

DOI:
10.1007/978-3-030-79561-0_51
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发表时间:
2021
期刊:
Notes on Numerical Fluid Mechanics and Multidisciplinary Design
影响因子:
--
通讯作者:
Breitsamter
Breitsamter
中科院分区:
--
文献类型:
--
作者:
Pflüger;Breitsamter

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无人驾驶或微型飞行器被设计成在各种飞行条件下表现良好。因此,变形翼技术旨在使空气动力学不断适应不同的飞行阶段。本文介绍了雷诺数为264000时弹性柔性薄膜机翼的实验研究。研究的概念,使机翼折叠在很大范围内,它允许机翼,以适应不断变化的气动载荷。本研究的重点是弹性-柔性膜的变形和它的优点的气动性能的检查模型。测量结果表明,对于较大的攻角,翼型的弯度和厚度增加,这将导致失速更加平稳和延迟,特别是对于大后掠构型。
Unmanned or micro aerial vehicles are designed to perform well in a variety of flight conditions. Therefore, the morphing wing technology aims to constantly adapt the aerodynamics to different flight stages. This work presents experimental investigations of an elasto-flexible membrane wing at a Reynolds number of 264000. The investigated concept enables wing folding over a wide range and it allows the wing to adapt to changing aerodynamic loads. The present study focuses on the deformation of the elasto-flexible membrane and its advantages for the aerodynamic performance of the examined model. The measurements show an increasing camber and thickness of the airfoil for higher angles of attack, which results in a more smooth and delayed stall, in particular for the highly swept configuration.
DOI: 10.1002/9781119964032
发表时间: 2012-03
期刊: --
影响因子: --
作者:
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DOI: --
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