二次沸腾对激光加热液体汽泡坍缩过程中射流动力学的影响

IF 0.6 4区物理与天体物理 Q4 MECHANICS

Doklady Physics Pub Date : 2022-03-13 DOI:10.1134/S1028335821110033

A. A. Chernov, M. A. Guzev, A. A. Pil’nik, T. P. Adamova, A. A. Levin, V. M. Chudnovskii

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引用次数: 0

摘要

实验研究了用细光纤将未充分加热的液体暴露在工作体积内的连续波激光辐射下，使液体沸腾至饱和温度的单一行为。结果表明，在光纤坍塌过程中，在光纤末端附近形成的蒸汽泡形成了一个热的累积射流，在其周围观察到二次沸腾现象。射流周围形成的二次蒸汽包体具有扩展的形状，并与射流一起移动和演化。证明了这种夹杂物对射流传播动力学的显著影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

The Effect of Secondary Boiling on the Dynamics of a Jet Formed during Vapor-Bubble Collapse Induced by Laser Heating of a Liquid

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The Effect of Secondary Boiling on the Dynamics of a Jet Formed during Vapor-Bubble Collapse Induced by Laser Heating of a Liquid

A single act of boiling a liquid underheated to the saturation temperature is experimentally investigated when the liquid is exposed to continu ous-wave laser radiation introduced into the working volume by means of a thin optical fiber. It is shown that a vapor bubble formed near the end of the optical fiber during collapse forms a hot cumulative jet, the phenomenon of secondary boiling around which is observed. The secondary vapor inclusion formed around the jet has an extended shape, moves, and evolves together with it. The significant effect of this inclusion on jet-propagation dynamics is demonstrated.

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来源期刊

Doklady Physics 物理-力学

CiteScore

1.40

自引率

12.50%

发文量

审稿时长

4-8 weeks

期刊介绍： Doklady Physics is a journal that publishes new research in physics of great significance. Initially the journal was a forum of the Russian Academy of Science and published only best contributions from Russia in the form of short articles. Now the journal welcomes submissions from any country in the English or Russian language. Every manuscript must be recommended by Russian or foreign members of the Russian Academy of Sciences.