Publicado 4 números por año
ISSN En Línea: 2152-209X
ROUND JET IN CROSS SHEAR FLOW
SINOPSIS
Results are presented of the experimental and numerical investigations of the characteristics of the evolution of a round jet with the parabolic mean velocity profile in cross shear flow. Principal differences are shown in the characteristics of the evolution of the round jets with the top-hat and parabolic mean velocity profiles at the nozzle exit. The instability of the round jet with the parabolic mean velocity profile is found to lead to its deformation in the form of tangential bursts of gas from the jet periphery by the cross flow into the ambient space, to their folding into a pair of counter-rotating vortices, and, therefore, to the reduction of the jet core. The results of studies by other authors are analyzed and compared to the results of the present investigations. The peculiarities of the evolution of the round jet with the parabolic mean velocity profile at the nozzle exit in cross flow are shown, which have been revealed in both the present investigations and in the investigations of other authors.
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