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15-feb.-12
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| Centre Acoustique |
Tous nos meilleurs voeux pour cette nouvelle année 2012 !Our best wishes for this New Year 2012 ! |
Flight effects on screech in underexpanded jets
Schlieren picture of an underexpanded jet plume (convergent nozzle, Mj=1.50, Mflight=0.39, exposure time 6.7 µs).The first shock is seen to be twisted within the jet plume, denoting a strong oscillation amplitude, and a large flapping motion of the jet occurs further downstream.Ph.D. Thesis of Benoît André, in collaboration with Snecma and Airbus-France. |
André et al., 2011, Phys. Fluids
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Centre Acoustique - Laboratoire de Mécanique des Fluides et d'Acoustique - Lyon - France