Inertial particle entrainment in a shearless mixing layer
  This article accompanies the submission of a fluid dynamics video (entry V032) of inertial particle entrainment in a shearless mixing layer for the Gallery of Fluid Motion of the 64th Annual Meeting of the American Physical Society, Division of Fluid Dynamics. 
Peter J. Ireland, Martin S. Henke, Lance R. Collins
physics.flu-dyn