Active Control of Separating Boundary Layer |
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| Authors: | Frunzulica Florin Dumitrache Alexandru Dumitrescu Horia Preotu Octavian |
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| Institution: | 1. Politehnica University of Bucharest, Faculty of Aerospace Engineering, Polizu 1-6, 011061, Bucharest, Romania;2. Institute of Statistics and Applied Mathematics, 13 Septembrie 13, sect.5, 050711 Bucharest, Romania;3. University of Craiova, Avionics Department, B-dul Decebal 107, 1100 Craiova, Romania |
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| Abstract: | Flow control refers to the ability to alter flows with the aim of achieving a desired effect: examples include drag reduction, noise attenuation, improved mixing or increased combustion efficiency among many other industrial applications. The reduction and control of the viscous drag force exerted on bodies moving in a fluid is of great technical interest. Several active and passive methods to achieve a delay of separation in the boundary layer have been developed and are being developed. In this paper we present a new concept for boundary layer separation control that is based on the synthetic jet concept which converts acoustic oscillations into mean fluid motions. We use synthetic jets as methods for Coanda effect's amplification. (© 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim) |
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