An other viscous catenary
ORAL
Abstract
The classical viscous catenary is obtained by the gravitational deformation of an initially horizontal thread of viscous fluid (honey for example). A second shape exists, roughly composed of three perpendicular pieces (like a flying trapeze). We study the physics of this flying trapeze-shape and show in particular that its origin is independent of the liquid viscosity, and is only fixed by the geometric characteristics (length and radius) of the (initial) filament.
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Authors
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Jacopo Seiwert
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Marie Le Merrer
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David Qu\'er\'e
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Christophe Clanet
Ecole Polytechnique, France