Dynamic characteristics of charged droplets in an electrostatic spraying process with twin capillaries

Jun Zhang; Hongzhou He; Guanxing Huang

doi:10.1016/j.cjche.2018.03.006

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Dynamic characteristics of charged droplets in an electrostatic spraying process with twin capillaries

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Dynamic characteristics of charged droplets in an electrostatic spraying process with twin capillaries
- Chinese Journal of Chemical Engineering Vol. 26, Issue 12, Pages: 2403-2411(2018)
- Affiliations：
  
  2 Engineering training Centre, Jimei University,Xiamen,China,361021
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.03.006
  CLC：
- Published：2018
- Accepted：
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Jun Zhang, Hongzhou He, Guanxing Huang. Dynamic characteristics of charged droplets in an electrostatic spraying process with twin capillaries[J]. Chin.J.Chem.Eng., 2018, 26(12): 2403-2411.
DOI：

Jun Zhang, Hongzhou He, Guanxing Huang. Dynamic characteristics of charged droplets in an electrostatic spraying process with twin capillaries[J]. Chin.J.Chem.Eng., 2018, 26(12): 2403-2411. DOI： 10.1016/j.cjche.2018.03.006.

摘要

Abstract

The experimental and simulated investigations on electrostatic spraying with twin capillaries are carried out. The starting electric voltage required for the cone-jet and the deposition characteristics of the droplets are measured. The whole spraying process

which includes jet and droplet motions

is simulated and the simulated results on the motions of jet and droplet are basically consistent with the experiments. According to the simulated results

the contributions of various electric forces to droplet movement are quantitatively analyzed and the droplet dynamic characteristics

especially the interaction mechanism between two sprays

are revealed. The test results on the droplet deposition characteristics partially support the simulated results on the droplet motion. The present work is useful for a better understanding on the interaction between sprays in double or multi-capillary system.

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