Experimental study of precessing vortex core in two-phase flow

Alexey Vinokurov, Sergey Shtork, Sergey Alekseenko

Research output: Contribution to journal › Conference article

Abstract

The work is devoted to the study of a precessing vortex core (PVC) in a swirling gas-liquid flow in an axisymmetric hydrodynamic chamber. The influence of the dispersed gas phase on the frequency of PVC precession and on the pressure in the hydrodynamic chamber is considered, and a correlation of the changes in these characteristics depending on gas content variation is demonstrated. The effect of flow swirling on the precession of the vortex core is shown. Experimental data for the two-phase flow are compared with the case of single-phase system.

Original language	English
Article number	02107
Journal	EPJ Web of Conferences
Volume	92
DOIs	https://doi.org/10.1051/epjconf/20159202107
Publication status	Published - 6 May 2015
Externally published	Yes
Event	9th International Conference on Experimental Fluid Mechanics, EFM 2014 - Cesky Krumlov, Czech Republic Duration: 18 Nov 2014 → 21 Nov 2014

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ASJC Scopus subject areas

Physics and Astronomy(all)

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Vinokurov, A., Shtork, S., & Alekseenko, S. (2015). Experimental study of precessing vortex core in two-phase flow. EPJ Web of Conferences, 92, [02107]. https://doi.org/10.1051/epjconf/20159202107

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AU - Shtork, Sergey

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N2 - The work is devoted to the study of a precessing vortex core (PVC) in a swirling gas-liquid flow in an axisymmetric hydrodynamic chamber. The influence of the dispersed gas phase on the frequency of PVC precession and on the pressure in the hydrodynamic chamber is considered, and a correlation of the changes in these characteristics depending on gas content variation is demonstrated. The effect of flow swirling on the precession of the vortex core is shown. Experimental data for the two-phase flow are compared with the case of single-phase system.

AB - The work is devoted to the study of a precessing vortex core (PVC) in a swirling gas-liquid flow in an axisymmetric hydrodynamic chamber. The influence of the dispersed gas phase on the frequency of PVC precession and on the pressure in the hydrodynamic chamber is considered, and a correlation of the changes in these characteristics depending on gas content variation is demonstrated. The effect of flow swirling on the precession of the vortex core is shown. Experimental data for the two-phase flow are compared with the case of single-phase system.

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Access to Document

10.1051/epjconf/20159202107