26th Congress of International Council of the Aeronautical Sciences
including the 8th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference
14 - 19 September 2008, Anchorage, Alaska, USA
Paper ICAS 2008-2.7.4

COMPUTATIONS FOR LAMINAR FLOW CONTROL IN SWEPT-WING BOUNDARY LAYERS

H. L. Reed, R. G. Rhodes, W. S. Saric
Texas A and M Univ., USA

Keywords: stability, transition, crossflow, control, computations

Studies predict that, for Re of 8 million and an appropriate pressure distribution, crossflow can be stabilized and laminar flow achieved by spanwise-periodic roughness elements. Sensitivity to element placement and height is studied, and optimum location for the control elements is at Branch I of the control wavelength.

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