27th Congress of International Council of the Aeronautical Sciences, 19 - 24 September 2010, Nice, France
Paper ICAS 2010-3.6.3

THE STUDIES OF OPTIMUM WAVELENGTH CHOICE IN DISTRIBUTED ROUGHNESS LAMINAR FLOW CONTROL TECHNIQUE

Y. L. Li, D. Li, Y. Yang
NPU, China

Keywords: swept wing, there-dimension orr-sommerfeld equation, optimum control wavelength, silk-screen, transition delay

This paper discussed optimum control wavelength on the basis of Saric’s investigation. The results of numerical calculations and experiments have proved the hypothesis, that the control wavelength in Distributed Roughness Technique should have the quickest growth rate in swept wing boundary layer which transition is dominated by stationary wave.

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