Fluid Fragmentation from Violent Expirations: sheets, ligaments, beads, to droplets

643566.Vdieo-Sneeze-FragExpFluidLogoF from Newswise on Vimeo.

Rapid fragmentation process of mucosalivary fluid occurring during a healthy sneeze. This video reflects the sequence of formation of sheets and then filaments, ultimately leading to the formation of respiratory droplets outside of the mouth. These were captured with a camera operating at  8,000 frames per second.

From the paper, “Visualization of sneeze ejecta: steps of fluid fragmentation leading to respiratory droplets,” by B. E. Scharfman, A. H. Techet, J. W. M. Bush, L. Bourouiba.