Abstract
The electrostatic jet flow has been widely employed to crop-dusting, painting, fuel spray and combustion, electrostatic painting, dust particles and flue gas removal. In order to investigate the convolution flow structure near the nozzle, discuss the effects of electrostatic voltages on convolution flow form, development and the aggrandizement of droplets mass transfer. PIV (Particle Image Velocimetry) was employed to measure and analyze the convolution flow near the nozzle under different voltages, and the velocity vectors and streamlines were gained. Experiment and analysis indicate that convolution flow structure has been existed in electrostatic jet flow brim and the main jet flow section change is inconspicuous with voltages adding; Electrical filed intensity has been enhanced and the droplets convolution flow was picked up with the electrostatic voltages adding. The convolution flow structure could quicken the gas mix into the main jet flow, and enhanced the droplets absorbency.
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