bubble variation

基本解释

This paper reports some experimental results on variation of voidage in bed materials, bubble size and bubble rising velocity etc along the height of the bed.
本文介绍了流化床中床料空隙率，气泡尺寸，气泡上升速度沿床高变化的试验结果，提出了相应的无因次关联式。
The result shows that the bubble is an important factor influencing coal separation, and the variation of its volume fraction is closely related to the variation of density of ADMFB.
结果表明：气泡是影响分选精度的重要因素，其体积分率的变化与床层密度波动密切相关。
The hydrogen bubble technique was used to visualize the development and variation of a backward facing step laminar separation flow, which covered basic flow and its unsteady control.
应用氢泡流动显示技术研究了后向台阶层流边界层分离、再附整个过程中流动结构的发展变化。