Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/61511
Title: Spontaneous uptake of droplets into non-wetting capillaries
Authors: Wang, Y
Chen, S
Liu, Y 
Keywords: Capillary
Droplet
Many-body dissipative particle dynamics
Surface tension
Issue Date: 2016
Publisher: Pergamon Press
Source: Computers and fluids, 2016, v. 134-135, p. 190-195 How to cite?
Journal: Computers and fluids 
Abstract: In the present study, the spontaneous uptake of droplets into non-wetting capillaries was simulated by using many-body dissipative particle dynamics. The simulated results show that the droplets undergo a spontaneous uptake even for a non-wetting capillary. In contrast to the liquid in a reservoir in which the direction of liquid spontaneous movement in the capillary depends on the wettability, the moving direction of droplets in the capillary relies not only on the surface wettability but also the radius of the droplets. We give an explanation from the viewpoint of force balance. Our results demonstrate that capillary force could be used to drive liquid in microfluidics.
URI: http://hdl.handle.net/10397/61511
ISSN: 0045-7930
DOI: 10.1016/j.compfluid.2016.05.017
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