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Hidden prompt splashing by corona splashing at drop impact on a smooth dry surface
Physical Review Fluids ( IF 2.5 ) Pub Date : 2020-01-15 , DOI: 10.1103/physrevfluids.5.011601
Taku Ashida , Masao Watanabe , Kazumichi Kobayashi , Hiroyuki Fujii , Toshiyuki Sanada

We present the experimental evidence of prompt splashing due to surface roughness at drop impact on a dry smooth surface, by suppressing corona splashing due to the surrounding gas. Prompt splashing occurs during a very early stage of the impact process, and it cannot be suppressed by reducing the gas pressure even to 0.8 kPa. We evaluate the conditions under which corona splashing hides prompt splashing at atmospheric conditions. We also demonstrate the importance of the distinction of two events, i.e., prompt splashing occurs and it can be clearly distinguished.

中文翻译:

电晕溅落在光滑干燥的表面上时,会因电晕溅落而产生隐蔽的即时飞溅

通过抑制由于周围气体引起的电晕飞溅,我们提出了在下降的冲击力下,由于表面粗糙度对干燥的光滑表面产生迅速飞溅的实验证据。迅速的飞溅发生在冲击过程的非常早期,并且不能通过将气压降低到0.8 kPa来抑制。我们评估在大气条件下电晕飞溅的皮革会在瞬间飞溅的条件。我们还证明了区分两个事件的重要性,即,发生快速飞溅并且可以清楚地区分。
更新日期:2020-01-15
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