Abstract

This experimental study examines the effects of controlled vortex generation and interactions on a round transverse jet for a range of jet-to-crossflow momentum flux ratios. Utilizing acetone planar laser-induced fluorescence (PLIF) imaging, alterations in jet structure, penetration, and molecular mixing created by such vortical interactions are quantified. Differences are found to depend on the state of the natural instabilities in the jet's upstream shear layer, with implications for jet control strategies.

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