Numerical Investigations on Aerodynamic Forces of Deformable Foils in Hovering Motions

Yong Zhao, Zhen Yin, Xiaohui Su, Jiantao Zhang, Yuanwei Cao

Research output: Contribution to journalConference article

Abstract

The aerodynamic effects of wing deformation for hover flight are numerically investigated by a two-dimensional finite-volume (FV) Arbitrary Langrangian Eulerian (ALE) Navier-Stokes solver. Two deformation models are employed to study these effects in this paper, which are a full deformation model and a partial deformation one. Attentions are paid to the generation and development of leading edge vortex (LEV) and trailing edge vortex (TEV) which may illustrate the differences of lift force generation mechanisms from those of rigid wings. Moreover, lift coefficient Cl, drag coefficient Cd, and figure of merit, as well as energy consumption in hovering motion for different deformation foil models, are also studied. The results show that the deformed amplitude, 0.1∗chord, among the cases simulated is an optimized camber amplitude for full deformation. The results obtained from the partial deformation foil model show that both Cl and Cd decrease with the increase of camber amplitude. It is found that the effect of deformation in the partial deformation model does not enhance lift force due to unfavorable camber. But TEV is significantly changed by the local AOA due to the deformation of the foil. Introduction.

Original languageEnglish
Article number012006
JournalIOP Conference Series: Materials Science and Engineering
Volume234
Issue number1
DOIs
Publication statusPublished - Sep 8 2017
Event2017 International Conference on Advanced Technologies in Design, Mechanical and Aeronautical Engineering, ATDMAE 2017 - Singapore, Singapore
Duration: Jul 12 2017Jul 14 2017

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Metal foil
Aerodynamics
Cambers
Vortex flow
Rigid wings
Drag coefficient
Energy utilization

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

Numerical Investigations on Aerodynamic Forces of Deformable Foils in Hovering Motions. / Zhao, Yong; Yin, Zhen; Su, Xiaohui; Zhang, Jiantao; Cao, Yuanwei.

In: IOP Conference Series: Materials Science and Engineering, Vol. 234, No. 1, 012006, 08.09.2017.

Research output: Contribution to journalConference article

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