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Atomization and Sprays
Factor de Impacto: 1.262 Factor de Impacto de 5 años: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 1.6

ISSN Imprimir: 1044-5110
ISSN En Línea: 1936-2684

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Atomization and Sprays

DOI: 10.1615/AtomizSpr.2013008168
pages 193-222

INVESTIGATION OF DROPLETS ENTRAINMENT AND DEPOSITION IN ANNULAR FLOW USING LIF TECHNIQUE

Sergey Alekseenko
Kutateladze Institute of Thermophysics SB RAS, Lavrentyev Ave. 1, 630090, Novosibirsk, Russia; Department of Physics, Novosibirsk State University
Andrey Cherdantsev
Novosibirsk State University, Kutateladze Institute of Thermophysics, 1, Lavrentiev Ave., Novosibirsk 630090, Russia
Dmitriy M. Markovich
Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences (IT SB RAS), 1, Lavrentyev Ave., Novosibirsk, 630090, Russia; Department of Physics, Novosibirsk State University (NSU), 1, Pirogov Str., Novosibirsk, 630090, Russia; Institute of Power Engineering, Tomsk Polytechnic University (TPU), 30, Lenin Ave., Tomsk, 634050, Russia
A. V. Rabusov
Novosibirsk State University, 2, Pirogov str., Novosibirsk 630090, Russia

SINOPSIS

Using high-speed laser-induced fluorescence (LIF) technique, investigation of droplets entrained from film surface in annular two-phase flow is performed. The droplets are studied simultaneously with waves on liquid film surface, and their dynamics is described with relation to the wavy structure of liquid film. Initial velocities and diameters of droplets are measured at the initial stage of their evolution, right after the entrainment act. Deposition of droplets on film surface, evolution of caverns created on liquid film due to the impact, and secondary entrainment are described.