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Nonlinear Evolution Of Annular Layers And Liquid Threads In Electric Fields, Qiming Wang
Nonlinear Evolution Of Annular Layers And Liquid Threads In Electric Fields, Qiming Wang
Dissertations
The nonlinear dynamics of viscous perfectly conducting liquid jets or threads under the action of a radial electric field are studied theoretically and numerically here. The field is generated by a potential difference between the jet surface and a concentrically placed electrode of given radius. A long-wave nonlinear model that is used to predict the dynamics of the system and in particular to address the effect of the radial electric field on jet breakup is developed, Two canonical regimes are identified that depend on the size of the gap between the outer electrode and the unperturbed jet surface. For relatively …