SIMULATING THE DYNAMIC BEHAVIOR OF DROPLET IN A GROOVED CHANNEL BY DISSIPATIVE PARTICLE DYNAMICS

被引：0
|
作者：
Zhang, M. K. [1 ]
Chen, S. [1 ]
Shang, Z. [2 ]
机构：
[1] Tongji Univ, Sch Aerosp Engn & Appl Mech, Siping Rd 1239, Shanghai 200092, Peoples R China
[2] Sci & Technol Facil Council, Daresbury Lab, Warrington WA4 4AD, Cheshire, England
来源：
PARTICLE-BASED METHODS II: FUNDAMENTALS AND APPLICATIONS | 2011年
关键词：
Droplet; Wall Wettability; Contact Angle; Grooved Microchannel; Dissipative Particle Dynamics;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, an improved dissipative particle dynamics (DPD) method was applied to simulate droplet motion in a grooved microchannel. Firstly the static contact angle between the droplet and the solid wall was simulated with the improved potential function, and "static contact angle similar to a(wf)/a(f)'' curve was obtained by Polynomial Fit of the 2nd order. Then the influences of wall wettability, flow field force on the flow pattern of droplet were investigated in a grooved microchannel. The results show that wall wettability and flow field force have large effects on the flow pattern of the droplet.
引用
收藏
页码：164 / 171
页数：8
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