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Control of the aerodynamic characteristics of a profile oscillating with respect to the incidence angle in subsonic viscous flow

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Abstract

The results of a numerical simulation of the unsteady subsonic viscous gas flow around a two-dimensional profile oscillating with respect to the incidence angle are presented and the possibility of controlling the nonstationary aerodynamic characteristics is considered. The hysteresis phenomena typical of oscillatory profile motions are investigated, the dependence of the lift force and drag is found for various laws of periodic variation of the incidence angle with time, and the effect of the frequency and amplitude of the angular profile oscillations on the shape of the hysteresis curves is studied. The calculations were based on the numerical solution of the nonstationary Navier-Stokes equations averaged in the Reynolds sense (Reynolds equations) which were closed using the k-ω turbulence model with modeling of the laminar/turbulent transition.

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Authors
  1. O. G. Buzykin
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  2. A. V. Kazakov
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Additional information

Original Russian Text © O.G. Buzykin, A.V. Kazakov, 2008, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2008, Vol. 43, No. 5, pp. 3–13.

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Buzykin, O.G., Kazakov, A.V. Control of the aerodynamic characteristics of a profile oscillating with respect to the incidence angle in subsonic viscous flow. Fluid Dyn 43, 675–684 (2008). https://doi.org/10.1134/S0015462808050013

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