Experimental study on the deformation and breakup characteristics of charged droplets in oil phase

doi:10.7523/j.issn.2095-6134.2020.02.019

Abstract

Abstract: The evolution process of charged droplet breakup in immiscible oil phase was visualized using micro-high-speed digital camera technology. The micro-morphology characteristics of charged droplets in oil phase under different electric field intensities were accurately captured. The deformation and breakup processes of charged droplets under different conditions were analyzed, and the formation mechanisms of charged droplets in different breakup modes were explored. The relationships of the charged droplet size with voltage and flow rate were quantitatively analyzed, while the cumulative distribution rules and Rosin-Rammler function of the droplet size distribution were obtained. The results indicate that the droplet size decreases rapidly with the electric field intensity while the uniformity of particle size distribution increases. Electric field strongly enhances the interphase interaction.

Key words: electric field, charged droplet, breakup, size distribution, micro-high-speed camera, liquid-liquid dispersion

CLC Number:

TK018

WANG Dongbao, WANG Junfeng, HUO Yuanping, LIU Hailong, WANG Xiaoying. Experimental study on the deformation and breakup characteristics of charged droplets in oil phase[J]. , 2020, 37(2): 274-280.

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