Spray characteristics of an air-assisted electrostatic atomiser

被引：10
|
作者：
Brentjes, Antoni [1 ]
Jansen, Bart [1 ]
Pozarlik, Artur K. [1 ]
机构：
[1] Univ Twente, Dept Thermal & Fluid Engn, Enschede, Netherlands
来源：
JOURNAL OF ELECTROSTATICS | 2022年 / 115卷
关键词：
Electrostatic spray; Two-fluid atomiser; Droplet; particle image analysis; Droplet size distribution; Sauter Mean Diameter; CHARGE;
D O I：
10.1016/j.elstat.2021.103654
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The spray characteristics of an air-assisted electrostatic atomiser are experimentally investigated using a shadowgraphy particle/droplet image analysis (PDIA) technique. Tests are conducted for varied rates of liquid and airflow, with and without a voltage applied to the nozzle electrode. The found droplet sizes neatly match the Rosin-Rammler distribution, and an expression for the mean diameter as a function of the flow rates is given. Notably, the electrode voltage (up to 40 kV) has no measurable impact on the droplet size and velocity, and the energy efficiency of the sprayer is found to decrease with increases in both liquid-and airflow.
引用
收藏
页数：8
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