Chuan-Kang Pei, Bing-Qian Wei, Juan-Li Zuo, Hong Yang. Numerical investigation of large bubble entrapment mechanism for micron droplet impact on deep pool [J]. Acta Physica Sinica, 2019, 68(20): 204703-1
- Acta Physica Sinica
- Vol. 68, Issue 20, 204703-1 (2019)
Fig. 1. Water droplet geometry in different cases.各工况下水滴几何形态
Fig. 2. Schematic diagram of the computational domain.计算区域简图
![Experimental image of free surface movement at selected times[31].实验摄得自由液面随时间运动过程[31]](/Images/icon/loading.gif){kind=icon}
Fig. 4. Numerical simulation of the free surface movement at selected times.数值模拟自由液面随时间运动过程
Fig. 5. Free surface profiles with simulated at selected times (Fr = 75, We = 64.4, Re = 1160, V i = 4 m/s): (a) AR = 1.16; (b) AR = 1.00; (c) AR = 0.84.
不同工况下自由液面随时间的运动过程(Fr = 75, We = 64.4, Re = 1160, V i = 4 m/s) (a) AR = 1.16; (b) AR = 1.00; (c) AR = 0.84
Fig. 6. Free surface profiles simulated at selected times (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s): (a) AR = 1.33; (b) AR = 1.16; (c) AR = 1.00; (d) AR = 0.84; (e) AR = 0.67.
不同工况下自由液面随时间的运动过程 (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s) (a) AR = 1.33; (b) AR = 1.16; (c) AR = 1.00; (d) AR = 0.84; (e) AR = 0.67
Fig. 7. Vorticity and pressure contours of a prolate water droplet impacting into a water pool at selected times (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s, AR = 1.33).
不同时间节点下长椭圆形变水滴撞击液池涡量场和压力场等值线图(Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s, AR = 1.33)
Fig. 8. Velocity field of a prolate water droplet impacting into a water pool at selected times (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s, AR = 1.33).
不同时间节点下长椭圆形变水滴撞击液池速度矢量场 (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s, AR = 1.33)
Fig. 9. Vorticity maximum of the vortex ring generated under the free surface with time under different cases (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s).
自由表面下涡环的最大涡量随时间变化 (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s)
Fig. 10. Vorticity maximum location of the vortex ring generated under the free surface with time under different cases (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s).
自由表面下涡环的最大涡量位置随时间变化(Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s)
Fig. 11. Lateral position of the vorticity maximum in the vortex ring generated under the free surface with time under different cases (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s).
自由表面下涡环的最大涡量横向位置随时间变化 (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s)
Fig. 12. Vertical position of the vorticity maximum in the vortex ring generated under the free surface with time under different cases (Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s).
自由表面下涡环的最大涡量垂向位置随时间变化(Fr = 112.5, We = 145, Re = 1740, V i = 6 m/s)
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