含气泡油滴撞击油膜壁面时气泡的变形与破裂

周剑宏, 童宝宏, 王伟, 苏家磊

DEFORMATION AND RUPTURE OF BUBBLE WHEN THE HOLLOW DROPLET IMPACTS ON THE OIL FILM

Zhou Jianhong, Tong Baohong, Wang Wei, Su Jialei

表1 计算时采用的相关参数

Table 1 Parameters used in the calculation

Parameters Units Value droplet diameter m 5×10-5 film thickness m 2.5×10-5 bubble diameter m 1×10-5 droplet density kg/m3 820 droplet viscosity Pa?s 1.4×10-2 air density kg/m3 1.225 air viscosity Pa?s 1.789×10-5 surface tension N/m 3.2×10-2 droplet velocity m/s 20