拍板翼微型飞行器非定常涡结构的实验研究

IF 1.5 4区工程技术 Q2 ENGINEERING, AEROSPACE

International Journal of Micro Air Vehicles Pub Date : 2022-01-01 DOI:10.1177/17568293221125846

Yanwei Zhang, Zhonglai Wang

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引用次数: 1

摘要

探索X型扑翼微型飞行器（也称为拍板翼微型飞行器）柔性扑翼的非定常涡结构是一项挑战。本文的目的是获得风速、扑动频率和攻角（AoA）对CWMAV瞬时和平均力系数的影响，研究前缘涡（LEV）、后缘涡（TEV）和尾流涡（WV）结构的流动可视化，并确定一些新型的扑动推进流动机制。本文提出了一种用于低速隧道的力学和粒子图像测速（PIV）测量平台。此外，应用互相关峰值分析和克里格图像重建进行后处理，以增强PIV图像的识别能力。结合力的时间演化、力系数和流动可视化，我们发现了LEV、TEV和WV结构的演化和影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An experimental study of the unsteady vortex structures of a clapping-wing micro air vehicle

It is a challenge to explore the unsteady vortex structures of flexible flapping wings of X-shaped flapping-wing micro air vehicles (also known as clapping-wing micro air vehicles (CWMAVs)). The objective of this paper is to obtain the influence of wind speed, flapping frequency, and angle of attack (AoA) on the instantaneous and average force coefficients of CWMAVs, investigate flow visualization of the leading-edge vortex (LEV), trailing-edge vortex (TEV) and wake vortex (WV) structures and identify some novel flow mechanisms of flapping propulsion. This paper proposes a mechanics and particle image velocimetry (PIV) measuring platform in a low-speed tunnel. In addition, cross-correlation peak analysis and kriging image reconstruction are applied for postprocessing to enhance PIV image recognition. Combining the time evolution of the forces, the force coefficients, and the flow visualization, we find the evolution and effects of LEV, TEV and WV structures.

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来源期刊

International Journal of Micro Air Vehicles ENGINEERING, AEROSPACE-

CiteScore

3.00

自引率

7.10%

发文量

审稿时长

>12 weeks

期刊介绍： The role of the International Journal of Micro Air Vehicles is to provide the scientific and engineering community with a peer-reviewed open access journal dedicated to publishing high-quality technical articles summarizing both fundamental and applied research in the area of micro air vehicles.