期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 65, 期 -, 页码 51-61出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.04.011
关键词
Droplet impact; Multi-droplet; Liquid film; Central sheet; Splashing
资金
- National Natural Science Foundation of China [51506023, 51336001]
- National Science and Technology Supporting Scheme of China [2014BAB09B00]
- Fundamental Research Funds for Central Universities of Ministry of Education of China [DUT17RC(4)22]
Multiple droplets impinging on a thin liquid film simultaneously is numerically studied using a three-dimensional model with an implement of a random disturbance subjected to Gaussian distribution. This model is very effective to predict droplet splashing under relatively high impingement momentum. Interface evolutions and field distributions are addressed after droplets impact. Besides, a geometric model is built up to demarcate the impact region into two semicircular regions and a series of rectangular regions during simultaneous impact, further to discuss the variations of area and residual film thickness in each region as well as the total area and average film thickness. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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