Leading-edge vortex dynamics on plunging 2D and 3D wings

Research output: Contribution to conferencePaperpeer-review

Abstract

The dynamics of the three-dimensional leading-edge vortices on plunging wings and airfoils is examined by means of phase-locked volumetric velocity measurements in a water tunnel. Two configurations are tested in present investigation: a finite wing with a tip (3D) and an infinite wing without tip effects (2D). Interactions with secondary vortices and trailing-edge vortices as well as the attached leg near the wing-tip contribute to the observed spanwise instabilities. In order to introduce spanwise instabilities and excite the leading-edge vortex filament, various control methods are tested. These include vortex generators, spoilers, and wing-tip geometry modification. The results show that these methods might be effective for controlling the leading-edge vortex structure and accelerating the three-dimensionality of the vortex filaments on plunging wings.
Original languageEnglish
Number of pages13
Publication statusPublished - 3 Jan 2022
EventAIAA Science and Technology Forum and Exposition (SciTech 2022) - San Diego, CA, USA United States
Duration: 3 Jan 20227 Jan 2022

Conference

ConferenceAIAA Science and Technology Forum and Exposition (SciTech 2022)
Country/TerritoryUSA United States
CitySan Diego, CA
Period3/01/227/01/22

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