An advanced measuring system with tri fiber optical probe has been developed to measure two dimensional bubblevelocity.
开发了一套新型的三探头单纤光导探针测量系统，用于测量二维气泡速度。
2
Approximate expressions for the Taylor bubblevelocity are proposed, and shown to be in good agreement with the experimental data.
提出了液体流动为层流和紊流时气泡上升速度的表达式，研究结果与实验数据进行比较，符合较好。
3
The gas pressure directly influences bubblevelocity (which affects the molten layer thickness), and the gas timing affects the formation of the solidified layer.