The Fluid Mechanics of Splat Painting
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This work aims at unravelling the physical phenomena at play in an artistic technique known as “splat painting”, which consists in projecting a spray of liquid droplets on a substrate by the means of a controlled impact on a paint-loaded brush. We perform a series of experiments where the liquid viscosity and brush acceleration upon impact are varied systematically. The resulting spotted patterns projected on the substrate are then characterized as a function of these control parameters.