XIE Chi-yu, ZHANG Jian-ying, WANG Mo-ran. Lattice Boltzmann Simulation of Droplet Evaporation on Flat Solid Surface[J]. Applied Mathematics and Mechanics, 2014, 35(3): 247-253. doi: 10.3879/j.issn.1000-0887.2014.03.002
Citation: XIE Chi-yu, ZHANG Jian-ying, WANG Mo-ran. Lattice Boltzmann Simulation of Droplet Evaporation on Flat Solid Surface[J]. Applied Mathematics and Mechanics, 2014, 35(3): 247-253. doi: 10.3879/j.issn.1000-0887.2014.03.002

Lattice Boltzmann Simulation of Droplet Evaporation on Flat Solid Surface

doi: 10.3879/j.issn.1000-0887.2014.03.002
Funds:  The National Natural Science Foundation of China(51176089); The National Basic Research Program of China (973 Program)(2013CB228301)
  • Received Date: 2013-09-28
  • Rev Recd Date: 2013-12-17
  • Publish Date: 2014-03-15
  • Mechanisms of droplet evaporation on flat solid surface were investigated with the Lattice Boltzmann method. Effect of gravity on the droplet shape change during evaporation in the cases of different static contact angles was detailedly analyzed. The results show that, as the droplet size decreases, the gravity effect decreases; and when the size reaches a critical value, the gravity effect grows negligible. This critical value for a water droplet was calculated for specific parameters, which was 50% lower than the value given by the classical capillary theory. Moreover, the inside-droplet flow patterns are also considerably influenced by gravity and the droplet size.
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