Maxim V. Shestakov
Kutateladze Institute of Thermophysics, 1, Lavrentyev Avenue, Novosibirsk, 630090, Russia; Department of Science and Research, Novosibirsk State University 2, Pirogova Street, 630090, Russia
Vladimir M. Dulin
Kutateladze Institute of Thermophysics, 1, Lavrentyev Avenue, Novosibirsk, 630090, Russia; Department of Science and Research, Novosibirsk State University 2, Pirogova Street, 630090, Russia
Mikhail P. Tokarev
Kutateladze Institute of Thermophysics, 1, Lavrentyev Avenue, Novosibirsk, 630090, Russia; Department of Science and Research, Novosibirsk State University 2, Pirogova Street, 630090, Russia
Dmitriy M. Markovich
Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences
(IT SB RAS), 1, Lavrentyev Ave., Novosibirsk, 630090, Russia; Department of Physics, Novosibirsk State University (NSU), 1, Pirogov Str., Novosibirsk, 630090, Russia; Institute of Power Engineering, Tomsk Polytechnic University (TPU), 30, Lenin Ave., Tomsk, 634050, Russia
要約
The paper reports on results of 3D velocity measurements in a turbulent slot jet by tomographic particle image velocimetry (tomographic PIV; see review by Scarano, 2013). The flow is a shallow-water jet, bounded by two parallel walls. The distance (h) between the walls is not bigger than the transversal size of the nozzle (d), i.e., h/d ≤ 1. The results show that the turbulent transport and mixing in these flows is a multi-scale problem associated with dynamics of primary large-scale quasi-two-dimensional vortices and secondary
longitudinal vortex filaments.
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