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首页> 外文期刊>Journal of Flow Visualization and Image Processing >VISUALIZATION OF THE MICROBUBBLE GENERATED IN THE DROPLET IMPINGING ON THE HEATED QUARTZ SURFACE
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VISUALIZATION OF THE MICROBUBBLE GENERATED IN THE DROPLET IMPINGING ON THE HEATED QUARTZ SURFACE

机译：液滴撞击加热的石英表面上产生的微泡的可视化

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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℃ to 520℃, 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.
机译：从石英加热面的背面拍摄了在碰撞初期在液-固接触面（润湿面）中产生的微小蒸气气泡的产生行为。在180℃至520℃的加热表面温度范围内，研究了加热表面温度和碰撞后经过的时间对气泡产生数量的影响。随着加热表面温度的升高，气泡的产生数量增加。在液滴碰撞的初始阶段观察到许多气泡。干点的大小，即气泡的附着面积随着加热表面温度的增加而增加。

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