Ahmad BATIKH
Address: Icam site de Toulouse
75 avenue de Grande-Bretagne
CS 97615
31076 TOULOUSE Cedex 3
www.icam.fr
Institut Clément Ader
3 rue Caroline Aigle
31400 Toulouse
www.institut-clement-ader.org
75 avenue de Grande-Bretagne
CS 97615
31076 TOULOUSE Cedex 3
www.icam.fr
Institut Clément Ader
3 rue Caroline Aigle
31400 Toulouse
www.institut-clement-ader.org
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aircraft wing, for example). In the control loop, the actuator is an essential element and the characterization of its operations and its effect on the flow control is required to establish effective
control laws. Among the technologies employed, the fluidic actuators, whose synthetic jet is a part, have the advantage of having no moving parts in direct contact with the outside flow and allow simple control of the temporal form of excitement imposed. To characterize the synthetic jet in a quiescent environment, numerical and experimental studies are conducted. The experimental study uses two techniques of measurement: the hot-wire anemometry and the PIV. A comparison of the behavior of synthetic jet with other types of jet (continuous jet and pulsed jet) is done.
The influence of a synthetic jet on the boundary layer of a wall jet whose flow direction is normal to the axis of synthetic jet is then studied. This wall jet is first plan and then presents a flow separation resulting from a forced rupture a few millimeters downstream of the synthetic jet actuator.
The interaction of two adjacent synthetic jets, and the effects of miniaturization are finely the subject of a numerical study because their effects can be very important in the case of the establishment of an array of micro-actuators on a surface ( airplane wing, for example) on which we want to control the
separation.
Major: Mechanical Engineering
Keywords: Flow separation control, synthetic jet, microfluidics, wall jet, PIV, CFD.
Papers
aircraft wing, for example). In the control loop, the actuator is an essential element and the characterization of its operations and its effect on the flow control is required to establish effective
control laws. Among the technologies employed, the fluidic actuators, whose synthetic jet is a part, have the advantage of having no moving parts in direct contact with the outside flow and allow simple control of the temporal form of excitement imposed. To characterize the synthetic jet in a quiescent environment, numerical and experimental studies are conducted. The experimental study uses two techniques of measurement: the hot-wire anemometry and the PIV. A comparison of the behavior of synthetic jet with other types of jet (continuous jet and pulsed jet) is done.
The influence of a synthetic jet on the boundary layer of a wall jet whose flow direction is normal to the axis of synthetic jet is then studied. This wall jet is first plan and then presents a flow separation resulting from a forced rupture a few millimeters downstream of the synthetic jet actuator.
The interaction of two adjacent synthetic jets, and the effects of miniaturization are finely the subject of a numerical study because their effects can be very important in the case of the establishment of an array of micro-actuators on a surface ( airplane wing, for example) on which we want to control the
separation.
Major: Mechanical Engineering
Keywords: Flow separation control, synthetic jet, microfluidics, wall jet, PIV, CFD.