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Heat Transfer Research
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ISSN Druckformat: 1064-2285
ISSN Online: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v34.i1-2.80
5 pages

Growth of Secondary Bubbles on the Wall of a Primary Bubble in Superheated Liquid

Natalya Nikolaevna Avakimyan
Kuban' State Technological University, Krasnodar, Russia
N. I. Vasil'ev
Kuban' State Technological University, Krasnodar, Russia
V. V. Guguchkin
Kuban’ State Technological University, Krasnodar, Russia
A. S. Trofimov
Kuban’ State Technological University, Krasnodar, Russia

ABSTRAKT

We present the results of analysis of high-speed filming of the process of growth of vapor bubbles in superheated liquid. We show that secondary bubbles appear and grow on the surface of a primary bubble, so the primary bubble turns out to be surrounded by secondary ones. A model is suggested for the process of growth of secondary bubbles; in this model, the surface of the primary bubble is broken by local pressure of vapor output.


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