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Experimental study on characteristics of glycerol/compressed air two-fluid spray
Received date: 2015-03-13
Revised date: 2015-06-01
Online published: 2016-03-15
Glycerol spray is widely encountered in daily life and industries. With the assistance of compressed air, the glycerol spray achieves good atomization performance which enhances the utilization efficiency of glycerol. We carried out an experimental study on the characteristics of glycerol/compressed air spray using a concentric two-fluid nozzle. The steady spray pattern was captured by the high-speed camera, and the droplet diameters and velocities were measured by phase Doppler particle analyzer. The experiment results showed that good atomization effects were achieved after the intensive mixing of glycerol droplets and compressed air and the secondary spray under the experiment condition. The spatial distributions of droplet diameters and velocities and their change relations with spray pressure were obtained in the experiments.
Key words： glycerol; compressed air; spray characteristics; droplet dynamics
WANG Rui , JING Qing , ZHOU Zhifu , BAI Feilong , CHEN Bin . Experimental study on characteristics of glycerol/compressed air two-fluid spray[J]. Journal of University of Chinese Academy of Sciences, 2016 , 33(2) : 223 -227 . DOI: 10.7523/j.issn.2095-6134.2016.02.012
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