Article
Electro-Flow Focusing: The high-conductivity low-viscosity limit
Author/s | Gañán-Calvo, Alfonso M. |
Department | Universidad de Sevilla. Departamento de Ingeniería Aeroespacial y Mecánica de Fluidos |
Publication Date | 2007 |
Deposit Date | 2020-11-11 |
Published in |
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Abstract | Electro-flow focusing, a technique combining the features of electrospray (ES) and flow focusing (FF), provides a reliable tool to reach parametrical microjetting ranges not attainable by ES or FF alone under specific ... Electro-flow focusing, a technique combining the features of electrospray (ES) and flow focusing (FF), provides a reliable tool to reach parametrical microjetting ranges not attainable by ES or FF alone under specific operational regimes (liquid properties and flow rate). In this Letter, we provide not only a closed theoretical model predicting the diameter of a high electrical conductivity electro-flow focused liquid microjet, but also its convective or absolute instability, linked to the jetting-to-dripping transition and the minimum liquid flow rate that can be ejected in steady jetting regime, in which the smallest droplets are issued. Good agreement is found with experimental values. |
Project ID. | DPI2004-07197 |
Citation | Gañán-Calvo, Alfonso M. (2007). Electro-Flow Focusing: The high-conductivity low-viscosity limit. Physical Review Letters, 98 (134503), 134503-1-134503-4. |
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