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1)  bubble departure diameter
气泡脱离直径
1.
Adopted a modified bubble departure diameter correlation based on the Unal mechanism model,a numerical simulation of subcooled boiling water under low pressure was performed on the computational fluid dynamics code CFX5.
采用Unal机理模型修正高压工况下气泡脱离直径的Tolubinsky关系式,并以基于有限元的有限容积法的CFX5。
2)  bubble departure diameter
气泡跃离直径
3)  bubble diameter
气泡直径
1.
Research on the bubble diameters in static mixer;
静态混合器内气泡直径研究
2.
The bubbly flow parameters,such as phase fraction and bubble diameter in the bubble column of a new type scrubbing-cooling chamber were measured by a double-sensor probe.
采用双头电导探针法对新型洗涤冷却室环隙鼓泡床内气液两相的局部气含率、气泡直径等分布规律进行了实验研究,并用Fluent商业软件对床层内气含率分布进行了模拟计算,模拟结果与实验结果吻合较好。
4)  bubble size
气泡直径
1.
Axial bubble size distribution and gas holdup profiles were determined under the ambient temperature and pressure using the dual electrical conductivity probes technology in a gas-liquid bubble column, and the effects of the gas distributor on the performance of the bubble column were researched.
采用电导探针测定了冷态鼓泡塔中不同气速下的气泡直径及气含率的轴向分布,考察了分布板对鼓泡塔操作性能的影响。
2.
The experimental results show that the Sauter mean diameter of the bubbles just formed on the membrane decreases with the increase of gas flow rate; the addition of alcohol or salt causes a significant decrease of bubble size.
实验结果表明,在微孔介质上所形成气泡的 Sauter平均直径随通气量的增大而减小;液相中盐或醇的引入使形成的气泡直径明显减小。
5)  departure diameter
脱离直径
1.
The predicted results were compared with the experimental results of Thorncroft, the error of bubble departure diameter and lift-off was within ±20%.
模型分析结果表明,向上流动的汽泡脱离直径随平均流速的增加而减小,随壁面过热度的增加而增加;向下流动情况大致相同;但由于流动曳力对汽泡脱离的作用和浮力的作用相反,从而导致了在0。
2.
A general correlation between bubble departure diameter and bubble growth time is thereby obtained.
在前人工作的基础上提出了表征核态池沸腾中气泡脱离和生长过程的特征时间和特征尺度,并进而得到了气泡生长时间和气泡脱离直径的通用关系式,应用传热学类比方法建立了计算气泡脱离直径的一般公式。
6)  bubble disengagement
气泡脱离
补充资料:当量比表面直径、表面积体积平均直径
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性质:又称当量比表面直径、表面积体积平均直径。是颗粒群表面积分布的平均直径。其意义为与颗粒群的粒形相同,总体积相同、总表面积相同,且粒度均匀的一个假想颗粒群的粒度。亦即指与该颗粒群的粒形相同,比表面积相同的一个颗粒的粒度。 

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