Bursting of Underwater Oil Drops,Physical Review Letters

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Bursting of Underwater Oil Drops
Physical Review Letters ( IF 8.1 ) Pub Date : 2024-07-18 , DOI: 10.1103/physrevlett.133.034004
Varun Kulkarni ₁ , Venkata Yashasvi Lolla ₁ , Suhas Tamvada ₁ , Sushant Anand ₁

Affiliation

For decades, two main facets of underwater oil spills have been explored extensively—the rise of oil drops and resulting evolution of the oil slick at the air-water interface. We report on the bursting of rising oil drops at an air–liquid interface which precedes slick formation and reveal a counterintuitive bulge reversal that releases a daughter oil droplet inside the bulk as opposed to upward-shooting jets observed in bursting air bubbles. By unraveling the underlying physics we show that daughter droplet size and bulk liquid properties are correlated and their formation can be suppressed by an increase in the bulk viscosity.

中文翻译：

水下油滴的破裂

几十年来，人们对水下溢油的两个主要方面进行了广泛的探索——油滴的上升以及由此导致的空气-水界面浮油的演变。我们报告了油滴在气液界面处的破裂，该现象先于油膜形成，并揭示了一种违反直觉的凸起逆转，即在主体内部释放出子油滴，而不是在破裂的气泡中观察到的向上射流。通过揭示基础物理原理，我们表明子液滴尺寸和本体液体特性是相关的，并且可以通过增加本体粘度来抑制它们的形成。

更新日期：2024-07-19

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