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|Title:||Numerical study of the influence of the Reynolds-number on the lift created by a leading edge vortex|
|Authors:||Zhang, X. |
|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|
|Appears in Collections:||Staff Publications|
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