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physics.flu-dyn2023
Large-scale mean flow and inclination of isolated turbulent band in channel flow
Linsen Zhang, Jianjun Tao
Isolated turbulent bands observed in transitional channel flows have downstream heads and inclined bulks at a characteristic angle. In the large-scale mean flow, a -shape vortex…
physics.flu-dyn2019
Origin of lobe and cleft at the gravity current front
Chenyue Xie, Jianjun Tao, Linsen Zhang
In this paper the Rayleigh-Taylor instability (RTI) along the density interfaces of gravity-current fronts is analyzed. Both the location and the spanwise wavenumber of the most un…