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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2021, Volume 47, Issue 22, Pages 24–27
DOI: https://doi.org/10.21883/PJTF.2021.22.51722.18796 (Mi pjtf4623) 		 
Aperture effect of normal hovering flight in close proximity to the ground

Xinping Zhouab, Yong Huangbc

a School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan, PR China
b Department of Mechanics, Huazhong University of Science and Technology, Wuhan, PR China
c Luoyang Ship Material Research Institute, Luoyang, PR China
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DOI: https://doi.org/10.21883/PJTF.2021.22.51722.18796
Abstract: 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.
Keywords: aerodynamics, flapping foil, low Reynolds number, ground effect, aperture effect.
Received: 31.03.2021
Revised: 31.03.2021
Accepted: 30.07.2021
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: Xinping Zhou, Yong Huang, “Aperture effect of normal hovering flight in close proximity to the ground”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 47:22 (2021), 24–27
Citation in format AMSBIB
\Bibitem{ZhoHua21}
\by Xinping~Zhou, Yong~Huang
\paper Aperture effect of normal hovering flight in close proximity to the ground
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2021
\vol 47
\issue 22
\pages 24--27
\mathnet{http://mi.mathnet.ru/pjtf4623}
\crossref{https://doi.org/10.21883/PJTF.2021.22.51722.18796}
\elib{https://elibrary.ru/item.asp?id=46638375}
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