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Heat Transfer Research
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ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v35.i34.40
12 pages

Combined Regimes of Self-Excited Oscillations in Condensation Inside Tubes

Sergey I. Lezhnin
Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Ak. Lavrenteva 1, Novosibirsk 630090, Russia; Novosibirsk State University, 1 Pirogova Street, Novosibirsk 630090, Russia
Nikolay A. Pribaturin
Kutateladze Institute of Thermophysics, Acad. Lavrentiev ave., 1, Novosibirsk, Russia; Nuclear Safety Institute, Novosibirsk Branch, Acad. Lavrentiev ave., 1, Novosibirsk, Russia
S. B. Samoilenko
Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
Vladimir A. Fedorov
Research and Innovation Joint-Stock Company "Turbocon", Kaluga Turbine Plant, 255, Moskovskaya Street, Kaluga, 248021, Russia; Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia

RÉSUMÉ

A model of the dynamics of vapor-bubble collapse in a channel, which takes into account hydraulic damping in a condensate flow, is developed. Numerical results are compared with experimental data. At a high rate of condensation, the numerical experiments show that high-frequency self-excited oscillations, such as the so-called "chugging" oscillations, could be obtained. Moreover, possible combinations of different types of self-excited oscillations which occur in condensation inside tubes are considered.


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