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Phase-field simulations for dripping-to-jetting transitions: Effects of low interfacial tension and bulk diffusion
Fukeng Huang, Weizhu Bao, Tiezheng Qian
The dripping-to-jetting transitions in coaxial flows have been experimentally well studied for systems of high interfacial tension, where the capillary number of the outer fluid an…
Diffuse-interface approach to competition between viscous flow and diffusion in pinch-off dynamics
Fukeng Huang, Weizhu Bao, Tiezheng Qian
The pinch-off dynamics of a liquid thread has been studied through numerical simulations and theoretical analysis. Occurring at small length scales, the pinch-off dynamics admits s…
An investigation of non-equilibrium heat transport in a gas system under external force field
Tianbai Xiao, Kun Xu, Qingdong Cai +1
The gas dynamics under external force field is essentially associated with multiple scale nature due to the large variations of density and local Knudsen number. Single scale fluid…
Driven cavity flow: from molecular dynamics to continuum hydrodynamics
Tiezheng Qian, Xiao-Ping Wang
Molecular dynamics (MD) simulations have been carried out to investigate the slip of fluid in the lid driven cavity flow where the no-slip boundary condition causes unphysical stre…
Power-Law Slip Profile of the Moving Contact Line in Two-Phase Immiscible Flows
Tiezheng Qian, Xiao-Ping Wang, Ping Sheng
Large scale molecular dynamics (MD) simulations on two-phase immiscible flows show that associated with the moving contact line, there is a very large partial-slip region whe…