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SUMMARY:The fluid mechanics of splat painting - Roberto Zenit\, Brown Univ
 ersity
DTSTART:20240704T130000Z
DTEND:20240704T140000Z
UID:TALK218281@talks.cam.ac.uk
CONTACT:Professor Grae Worster
DESCRIPTION:In splat painting\, a collection of liquid droplets is project
 ed onto the substrate by imposing a controlled acceleration to a paint-loa
 ded brush. To unravel the physical phenomena at play in this artistic tech
 nique\, a series of experiments are conducted  where the amount of expelle
 d liquid and the resulting patterns on the substrate are systematically ch
 aracterized as a function of the liquid  and brush properties. The experim
 ental trends are rationalized by simple physical models\, revealing the ex
 istence of an inertia-dominated flow in the anisotropic\, porous tip of th
 e brush. We argue that in splat painting artists intuitively tune their pa
 rameters to work in this regime\, which may also play a role in other puls
 ed flows\, like violent expiratory events or sudden geophysical processes.
  Learning from an artistic practice provides new insight and perspective t
 o the study of flow physics. Furthermore\, studies like this allow us to r
 each wider audiences. While discussing art practice\, we convey the import
 ance of the physical understanding of every day flows.
LOCATION:MR13
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