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12 - Aeronautical, Mechanical, Chemical and Manufacturing Engineering
Brunel University London
Particle image velocimetry measurements of the interaction of synthetic jets with a zero-pressure gradient laminar boundary layer
The scope of this EPSRC-funded research (Grant No. AF566NEZ) was to quantify the interaction between the different vortical structures formed from a synthetic jet actuator (SJA) and a boundary layer, using particle image velocimetry. The study was the first of its kind to demonstrate which type of vortical structure is most suitable for potentially delaying flow separation for drag reduction. This is particularly relevant for optimising SJA operating conditions in an application setting for separation control, e.g. deflected aircraft control surfaces such as slats and flaps.