Visualization of the microbubble generated in the droplet impinging on the heated quartz surface

被引：0
|
作者：
Inada, Shigeaki [1 ]
Kawahara, Youhei [1 ]
Yang, Wen-Jei [2 ]
机构：
[1] Department of Mechanical System Eng., Gunma University, 1-5-1 Tenjincho, Kiryu 376-8515, Japan
[2] Dept. of Mech. Eng./Applied Mech., University of Michigan, Ann Arbor, MI 48109, United States
来源：
Journal of Flow Visualization and Image Processing | 2002年 / 9卷 / 2-3期
关键词：
Bubbles (in fluids) - Flow visualization - Quartz - Surface phenomena;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The generation behavior of the minute vapor bubble which arose in the liquid-solid contact surface (wetting surface) at the initial stage of the collision was photographed from the backside of the quartz heating surface. In the heating surface temperature range from 180°C to 520°C, the effect of the heating surface temperature and the elapsed time after the collision on the number of the bubble generation was examined. With the increase in the heating surface temperature. the number of the bubble generation increases. Many bubbles were observed at the initial stage of droplet collision. The size of the dry spot, that is, attached area of the bubble increases with the increase in the heating surface temperature.
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页码：247 / 256
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