Active control of a turbulent boundary layer based on local surface perturbation

Active control of a turbulent boundary layer has been experimentally investigated with a view to reducing the skin-friction drag and gaining some insight into the mechanism that leads to drag reduction. A spanwise-aligned array of piezo-ceramic actuators was employed to generate a transverse travell...

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Veröffentlicht in:	Journal of fluid mechanics 2014-07, Vol.750, p.316-354
Hauptverfasser:	Bai, H. L., Zhou, Y., Zhang, W. G., Xu, S. J., Wang, Y., Antonia, R. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Boundary layer Boundary layer and shear turbulence Boundary layers Energy dissipation Exact sciences and technology Fluid dynamics Fluid mechanics Friction Fundamental areas of phenomenology (including applications) Instrumentation for fluid dynamics Physics Surface chemistry Turbulence control Turbulent flow Turbulent flows, convection, and heat transfer
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