Modelling of Unsteady Dynamic Processes in Channels with Heat Power Increase

B. G. Pokusaev; Sergey I. Lezhnin; Nikolay A. Pribaturin; B. S. Zhakupov; E. S. Vasserman

doi:10.1615/HeatTransRes.v33.i3-4.170

Heat Transfer Research

Главный редакторs: Zhixiong Guo (open in a new tab) Oleg G. Penyazkov (open in a new tab)

Regional Editor (India): Partha S. Ghoshdastidar (open in a new tab)

Regional Editor (China/Asia): Ya-Ling He (open in a new tab)

Regional Editor (Europe): Bengt Sunden (open in a new tab)

Regional Editor (USA): Xinwei Wang (open in a new tab)

Управляющий редактор: Natalia K. Shveyeva (open in a new tab)

Редактор-основательs: James P. Hartnett (open in a new tab) Thomas F. Irvine, Jr. (open in a new tab) Oleg G. Martynenko (open in a new tab)

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ISSN Печать: 1064-2285

ISSN Онлайн: 2162-6561

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Modelling of Unsteady Dynamic Processes in Channels with Heat Power Increase

Том 33, Выпуск 3&4, 2002, 6 pages

DOI: 10.1615/HeatTransRes.v33.i3-4.170

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B. G. Pokusaev
Siberian Power Engineering Institute, Siberian Branch of the Russian Academy of Sciences Irkutsk; and Moscow State University of Engineering Ecology, Staraya Basmannaya str. 21/4, Moscow, Russia

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

B. S. Zhakupov
Institute of Thermodynamics, Siberian Branch of the Russian Academy of Sciences Novosibirsk, Russia

E. S. Vasserman
Institute of Thermodynamics, Siberian Branch of the Russian Academy of Sciences Novosibirsk, Russia

Краткое описание

Results of experimental and mathematical investigations of the bubble (slug) dynamics in a channel with consideration for the destruction of bubbles and formation of liquid droplets inside it are presented. Dynamics of a bubble consisting of a saturated vapor-liquid mixture is considered. The boundary of the "water hammer regime-oscillatory regime" transition is determined. In the case of high dynamic loads a "shock" condensation regime appears. Pressure pulses arising here exceed the incident wave amplitude by the order of magnitude, the slug is' destructed and heat and mass transfer processes are sharply enhanced.

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