Aperture Effect of Normal Hovering Flight in Close Proximity to the Ground

被引：0
|
作者：
Zhou, Xinping [1 ,2 ]
Huang, Yong [2 ,3 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, Wuhan, Peoples R China
[2] Huazhong Univ Sci & Technol, Dept Mech, Wuhan, Peoples R China
[3] Luoyang Ship Mat Res Inst, Luoyang, Peoples R China
来源：
TECHNICAL PHYSICS LETTERS | 2022年 / 48卷 / 14期
关键词：
aerodynamics; flapping foil; low Reynolds number; ground effect; aperture effect; AERODYNAMICS;
D O I：
10.21883/TPL.2022.14.55121.18796
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Aerodynamics of a flapping foil at low Reynolds number in close proximity to the ground in aperture effect are studied by numerical simulations based on the normal hovering motion mode. A vortex street is interestingly generated by both ground and aperture effects and the rotation of the foil. The study reveals that the aperture takes a force-reduction effect and a large enough aperture effectively can remove the ground force- enhancement effect produced when the foil is in close proximity to the ground. This paper provides an effective method of optimizing foil-flapping flight design of flying robotics over a porous plane.
引用
收藏
页码：63 / 65
页数：3
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