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

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10 Citations (Scopus)

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 languageEnglish
Pages (from-to)703-710
Number of pages8
JournalInstruments and Experimental Techniques
Volume47
Issue number5
DOIs
Publication statusPublished - 1 Sep 2004
Externally publishedYes

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particle image velocimetry
Velocity measurement
turbulent flow
Turbulent flow
Flow velocity
flow characteristics
Decomposition
periodic variations
flow velocity
velocity distribution
decomposition
high resolution

ASJC Scopus subject areas

  • Instrumentation

Cite this

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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.",
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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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