Accession Number : ADA320167

Title :   Control of Leading-Edge Vortices With Suction.

Descriptive Note : Final technical rept. 1 Sep 94-31 Aug 96,

Corporate Author : CINCINNATI UNIV OH

Personal Author(s) : Gursul, Ismet

PDF Url : ADA320167

Report Date : 22 OCT 1996

Pagination or Media Count : 58

Abstract : Several control techniques have been applied in order to control leading-edge vortices at high angle of attack. The purpose of these control techniques is to influence the strength and structure of the vortices, to generate rolling moment, and to delay vortex breakdown. Since the vorticity of the leading-edge vortices originates from the separation point along the leading-edge, control of development of the shear layer has been chosen as a control strategy in several investigations: blowing and suction in the tangential direction along a rounded leading-edge.

Descriptors :   *VORTICES, *LEADING EDGES, *WING BODY CONFIGURATIONS, SHEAR PROPERTIES, PRESSURE GRADIENTS, AERODYNAMIC STABILITY, TURBULENCE, ANGLE OF ATTACK, FLOW VISUALIZATION, FLOW FIELDS, WIND TUNNEL TESTS, SUCTION, DELTA WINGS, REYNOLDS NUMBER.

Subject Categories : Aerodynamics
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE