Abstract
This paper considers the experimental results and physical effects on the pressure waves dynamics of vapour-liquid two-phase medium of bubble and slug structure. The general mechanisms of wave formation, behaviour and instability of two-phase flow under pressure waves, basic peculiarities of the interphase heat transfer is obtained. The role of destruction and collapse of bubbles and slugs, phase transition (condensation and evaporation), structural transition on wave dynamics is studied also. Experiments were carried out at the 52 and 8 mm ID tubes with Freon-11 and water as a test liquid. High-speed filming, laser optical methods, together with pressure history recording used in experiments. Theoretical models are suggested for wave evolution in media with nonuniform void fraction, which describe amplification of reflected waves and pressure pulses generation.
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© 1995 Springer Science+Business Media Dordrecht
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Pokusaev, B.G., Pribaturin, N.A., Vasserman, E.S., Lezhnin, S.I. (1995). Pressure Waves in Two-Phase Bubble/Slug Flows and Interphase Process. In: Morioka, S., Van Wijngaarden, L. (eds) IUTAM Symposium on Waves in Liquid/Gas and Liquid/Vapour Two-Phase Systems. Fluid Mechanics and its Applications, vol 31. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0057-1_8
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DOI: https://doi.org/10.1007/978-94-011-0057-1_8
Publisher Name: Springer, Dordrecht
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