Monday, February 13, 2012

Milanovic Presents at United Technologies Research Center

Ivana Milanovic, associate professor of mechanical engineering, CETA, gave an overview of her research on vortex dominated flows covering leading edge vortices, as well as synthetic and continuous jets with and without cross-flow, at a United Technologies Research Center (UTRC) Seminar.

The practice of extrapolating data from low-speed delta wings to configurations intended for supersonic operation was addressed via direct quantitative and qualitative comparison. Evolution of steady counter rotating vortex pair and unsteady wake vortices of the jet in cross-flow was examined at a wide range of injection angles and momentum flux ratios. Continuous jets were also compared with their synthetic counterparts.

Photos show delta wing planforms made by Mechanical Engineering Technology students at the University of Hartford during a fluid mechanics laboratory. Oil flow patterns illustrate a two-dimensional footprint of the three-dimensional flow field above the delta wing. The flow topology above the delta planform reveals flow with secondary vortices.

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