Experimental and numerical investigations of the bubble collapse at the center between rigid walls

9th International Symposium on Cavitation

Ogasawara, T.^1 ; Tsubota, N.^1 ; Seki, H.^1 ; Shigaki, Y.^1 ; Takahira, H.^1

Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai-shi, Osaka

599-8531, Japan^1

关键词: Bubble collapse;    Bubble shapes;    Bubble volume;    Damage reduction;    Gap widths;    Maximum bubble radii;    Numerical investigations;    Peak pressure;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/656/1/012031/pdf
DOI  :  10.1088/1742-6596/656/1/012031

来源: IOP

【 摘 要 】

The collapsing behavior of a bubble generated at the center of the rigid walls and its effect on the wall are investigated experimentally and numerically. The bubble collapse drastically depends on the ratio of the gap width to the maximum bubble radius w∗. In case of 2.66