1 مکانیک:: موج موئین
The capillary waves transform the axisymmetric closed bell (iii) into a polyhedral form (iv). The capillary waves are not dynamically significant for the high viscosity sheets (w>50 cS), where the number of sides is determined by the capillary instability of the toroidal rim. Capillary waves are seen propagating upstream of the impact site, while a steep cavity and turbulent free-surface wake are found downstream.
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