Isolated Synthetic Jet in Crossflow: Experimental Protocols for a Validation Dataset

Abstract

An overview of the data acquisition, reduction, and uncertainty estimates of experimental measurements made of the flowfield created by the interaction of an isolated synthetic jet and a turbulent boundary layer is presented. The experimental measurements were undertaken to serve as the second of three computational fluid dynamics validation databases for active flow control. The validation databases were first presented at the NASA Langley Research Center Workshop on CFD Validation of Synthetic Jets and Turbulent Separation Control (CFDVAL2004) in March 2004. Detailed measurements were made to document the boundary conditions for the flow and also for the phase-averaged flowfield itself. Three component laser-Doppler velocimetry, 2-D particle image velocimetry, and stereo particle image velocimetry were used to document the phase-averaged velocity field and the turbulent stresses.