Crescent-moon drop-on-drop fragmentation from surfaces of average wetting.
In study on drop-on-drop impacts, we derive the kinematic and dynamics conditions selecting for the Crescent-moon fragmentation regime important for impacts on surfaces of intermediate wetting. For more, read: Wang, Y. and Bourouiba, L. (2018) Non-isolated drop impacts. Journal of Fluid Mechanics. 835:24-44.