The formation method and velocity rise of bubble cluster

被引：1
|
作者：
Usanina, A. S. [1 ]
Basalaev, S. A. [1 ]
Perfilieva, K. G. [1 ]
机构：
[1] Natl Res Tomsk State Univ, Lenina Av 36, Tomsk 634050, Russia
来源：
ALL-RUSSIAN CONFERENCE XXXIV SIBERIAN THERMOPHYSICAL SEMINAR, DEDICATED TO THE 85TH ANNIVERSARY OF ACADEMICIAN A. K. REBROV | 2018年 / 1105卷
基金：
俄罗斯科学基金会;
关键词：
D O I：
10.1088/1742-6596/1105/1/012076
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The results of an experimental study of the ascent of a compact cluster of monodispersed air bubbles in a viscous liquid are presented. To form a compact cluster of monodisperse air bubbles with given values of diameter and volume concentration, a special experimental setup has been developed. It is shown that the ascent velocity of a cluster of monodispersed air bubbles depends on their number, diameter, distance between bubbles and exceeds the ascent velocity of a single bubble. An empirical dependence for the drag coefficient of the cluster of air bubbles rising in glycerin has been obtained.
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页数：6
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