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Modeling the Turbulent Vortex Wake Behind a High-Lift Wing

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Abstract

A mathematical model and the results of a numerical simulation of the multiple vortex structure behind the high-lift wing (with deflected flaps) of a civil aircraft model are presented. The calculations are performed within the framework of the simplified (with allowance for the specific features of the flow under consideration) three-dimensional Reynolds equations using three turbulence models. The results obtained are compared with the experimental data; a considerable influence of the streamline curvature, typical of vortex flows, not only on the turbulence parameters but also on the parameters of the average flow is demonstrated. As a result, only one of the turbulence models considered, namely, that taking the streamline curvature and rotation effects on the turbulence into account, ensures acceptable accuracy of the main wake characteristics.

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Authors
  1. P. R. Spalart
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  2. M. Kh. Strelets
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  3. A. K. Travin
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  4. M. L. Shur
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Spalart, P.R., Strelets, M.K., Travin, A.K. et al. Modeling the Turbulent Vortex Wake Behind a High-Lift Wing. Fluid Dynamics 36, 726–733 (2001). https://doi.org/10.1023/A:1013016817459

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  • DOI: https://doi.org/10.1023/A:1013016817459

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