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

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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.

Original languageEnglish
Pages (from-to)145-153
Number of pages9
JournalPribory i Tekhnika Eksperimenta
Issue number5
Publication statusPublished - 21 Dec 2004
Externally publishedYes

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ASJC Scopus subject areas

  • Instrumentation

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