Gas phase effect on characteristics of a precessing vortex in the axisymmetric hydrodynamic chamber

Abstract

The work deals with the experimental study of precessing vortex in the gas-liquid swirl flow. The data on flow visualization are presented, dependences of precession frequency and pressure drop on the gas flow rate are determined, and correlation between these characteristics, which undergo abrupt changes at low gas contents, is determined. The main effect determining the nature of evolution of the flow parameters relates to the fact that due to strong flow swirl, phase separation with formation of a hollow vortex with the gas core occurs.

Original language	English
Pages (from-to)	771-774
Number of pages	4
Journal	Thermophysics and Aeromechanics
Volume	21
Issue number	6
DOIs	https://doi.org/10.1134/S0869864314060146
Publication status	Published - 1 Jan 2014
Externally published	Yes

Keywords

multiphase flows
swirl flows
vortex precession

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics

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10.1134/S0869864314060146

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title = "Gas phase effect on characteristics of a precessing vortex in the axisymmetric hydrodynamic chamber",

abstract = "The work deals with the experimental study of precessing vortex in the gas-liquid swirl flow. The data on flow visualization are presented, dependences of precession frequency and pressure drop on the gas flow rate are determined, and correlation between these characteristics, which undergo abrupt changes at low gas contents, is determined. The main effect determining the nature of evolution of the flow parameters relates to the fact that due to strong flow swirl, phase separation with formation of a hollow vortex with the gas core occurs.",

keywords = "multiphase flows, swirl flows, vortex precession",

author = "Vinokurov, {A. P.} and Shtork, {S. I.} and Alekseenko, {S. V.}",

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AU - Vinokurov, A. P.

AU - Shtork, S. I.

AU - Alekseenko, S. V.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - The work deals with the experimental study of precessing vortex in the gas-liquid swirl flow. The data on flow visualization are presented, dependences of precession frequency and pressure drop on the gas flow rate are determined, and correlation between these characteristics, which undergo abrupt changes at low gas contents, is determined. The main effect determining the nature of evolution of the flow parameters relates to the fact that due to strong flow swirl, phase separation with formation of a hollow vortex with the gas core occurs.

AB - The work deals with the experimental study of precessing vortex in the gas-liquid swirl flow. The data on flow visualization are presented, dependences of precession frequency and pressure drop on the gas flow rate are determined, and correlation between these characteristics, which undergo abrupt changes at low gas contents, is determined. The main effect determining the nature of evolution of the flow parameters relates to the fact that due to strong flow swirl, phase separation with formation of a hollow vortex with the gas core occurs.

KW - multiphase flows

KW - swirl flows

KW - vortex precession

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