Application of the method of particle image velocimetry for analyzing turbulent flows with a periodic component

Abstract

The foundations of the field method for measuring the flow velocities - the particle image velocimetry (PIV) method - are presented. An approach is described that ensures measurements of conventionally averaged characteristics in flows with pronounced periodicity. Using the high-resolution PIV and conditional averaging methods, detailed measurements of the velocity fields in an axisymmetrical impact jet have been performed for the first time. The flow characteristics are analyzed using a triple decomposition of fluctuating quantities.

Original language	English
Pages (from-to)	145-153
Number of pages	9
Journal	Pribory i Tekhnika Eksperimenta
Issue number	5
Publication status	Published - 21 Dec 2004
Externally published	Yes

ASJC Scopus subject areas

Instrumentation

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abstract = "The foundations of the field method for measuring the flow velocities - the particle image velocimetry (PIV) method - are presented. An approach is described that ensures measurements of conventionally averaged characteristics in flows with pronounced periodicity. Using the high-resolution PIV and conditional averaging methods, detailed measurements of the velocity fields in an axisymmetrical impact jet have been performed for the first time. The flow characteristics are analyzed using a triple decomposition of fluctuating quantities.",

author = "Alekseenko, {S. V.} and Bilsky, {A. V.} and Markovich, {D. M.}",

year = "2004",

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AU - Markovich, D. M.

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N2 - The foundations of the field method for measuring the flow velocities - the particle image velocimetry (PIV) method - are presented. An approach is described that ensures measurements of conventionally averaged characteristics in flows with pronounced periodicity. Using the high-resolution PIV and conditional averaging methods, detailed measurements of the velocity fields in an axisymmetrical impact jet have been performed for the first time. The flow characteristics are analyzed using a triple decomposition of fluctuating quantities.

AB - The foundations of the field method for measuring the flow velocities - the particle image velocimetry (PIV) method - are presented. An approach is described that ensures measurements of conventionally averaged characteristics in flows with pronounced periodicity. Using the high-resolution PIV and conditional averaging methods, detailed measurements of the velocity fields in an axisymmetrical impact jet have been performed for the first time. The flow characteristics are analyzed using a triple decomposition of fluctuating quantities.

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Application of the method of particle image velocimetry for analyzing turbulent flows with a periodic component

Abstract

ASJC Scopus subject areas

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