Numerical simulation of electrospray in the cone-jet modeReport as inadecuate

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1 Departamento de Ingenia Aerospacial y Mécanica de Fluidos 2 University of Extremadura 3 NIWA - National Institute of Water & Atmospheric Research

Abstract : We present a robust and computationally efficient numerical scheme for simulating steady electrohydrodynamicatomization processes electrospray. The main simplification assumed in thisscheme is that all the free electrical charges are distributed over the interface. Comparison of theresults with those calculated with a Volume-of-Fluid method showed that the numerical schemepresented here accurately describes the flow pattern within the entire liquid domain. Experimentswere performed to partially validate the numerical predictions. The simulations reproduced accuratelythe experimental shape of the liquid cone-jet, providing correct values of the emitted electriccurrent even for configurations very close to the cone-jet stability limit.

Author: M. A. Herrada - J. M. Lopez-Herrera - Alfonso M. Gañán‑calvo - E. J. Vega - J. M. Montanero - S. Popinet -



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