Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.4718322
Title: Numerical study of the influence of the Reynolds-number on the lift created by a leading edge vortex
Authors: Zhang, X. 
Schlüter, J.U.
Issue Date: 5-Jun-2012
Citation: Zhang, X., Schlüter, J.U. (2012-06-05). Numerical study of the influence of the Reynolds-number on the lift created by a leading edge vortex. Physics of Fluids 24 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4718322
Abstract: We present a numerical study on the influence of the Reynolds-number on the lift enhancing effect of a leading edge vortex. Our approach is based on a combination of large-eddy simulations and the immersed boundary technique. We determine the influence of the leading edge vortex on the unsteady lift by simulating a fast pitch-up motion of the plate and studying the lift evolution after holding the flat plate fixed at an angle of attack. Our results suggest that an optimal Reynolds-number exists that maximizes the lift of the leading edge vortex, but that the lift-to-drag ratio is largely independent of the Reynolds-number above a Reynolds-number of Rec > 2000. © 2012 American Institute of Physics.
Source Title: Physics of Fluids
URI: http://scholarbank.nus.edu.sg/handle/10635/128909
ISSN: 10706631
DOI: 10.1063/1.4718322
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