Shao-Feng Xu, Ying-Hou Lou, Yao-Feng Wu, Xiang-Yang Wang, Ping He. Fluid slip over hydrophobic surfaces in microchannels: a dissipative particle dynamics study [J]. Acta Physica Sinica, 2019, 68(10): 104701-1
- Acta Physica Sinica
- Vol. 68, Issue 10, 104701-1 (2019)
Fig. 1. Sketch of the solid wall structure.固体壁面结构示意图
Fig. 2. Sketch of the modified bounce-forward reflection.修正的向前反弹机制
Fig. 3. Sketch of simulation system of Couette flow.模拟系统示意图
Fig. 4. No-slip and partial slip status at a solid-fluid interface壁面边界的无滑移和部分滑移示意图
Fig. 5. The velocity profile of DPD simulation result compares to the analytical solution.DPD模拟的速度分布与Navier-Stokes(NS)分析解对比
Fig. 6. The density and temperature profiles of DPD simulation results compare to the analytical solutions.DPD模拟的密度、温度分布与Navier-Stokes(NS)分析解对比
Fig. 7. The shear stress profile of DPD simulation result compares to the analytical solution.DPD模拟的剪切应力分布与分析解对比
Fig. 8. Velocity distributions due to different values of
.
排斥力系数
分别为9.68, 13.69, 16.77, 19.36, 21.65时的速度分布
Fig. 9. Slip velocity versus
.
滑移速度
与排斥力系数
的关系
Fig. 10. Slip length versus
.
滑移长度b 与排斥力系数
的关系
Fig. 11. The density profiles for different
values and for no slip condition.
不同排斥力系数时和无滑移时的密度分布
|
Table 1. The linear fit velocity profiles, slip velocity and slip length with respect to different
.
不同排斥力系数
时拟合的速度分布及对应的滑移速度和滑移长度
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