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Dynamics of secondary vortices in turbulent channel flow
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SYSNO ASEP 0370281 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Dynamics of secondary vortices in turbulent channel flow Author(s) Uruba, Václav (UT-L) RID, ORCID
Hladík, Ondřej (UT-L) RID
Jonáš, Pavel (UT-L) RIDNumber of authors 3 Source Title Journal of Physics: Conference Series. - : Institute of Physics Publishing - ISSN 1742-6588
Roč. 318, č. 062021 (2011), s. 1-6Number of pages 6 s. Action European turbulence conference /13./ Event date 12.09.2011-15.09.2011 VEvent location Warsaw Country PL - Poland Event type WRD Language eng - English Country GB - United Kingdom Keywords channel flow ; secondary structures ; dynamical systems Subject RIV BK - Fluid Dynamics R&D Projects GA101/08/1112 GA ČR - Czech Science Foundation (CSF) GAP101/10/1230 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20760514 - UT-L (2005-2011) UT WOS 000301279000021 DOI 10.1088/1742-6596/318/6/062021 Annotation Secondary vortical structures in a straight channel of rectangular cross-section are studied in details experimentally. Special attention is devoted to theirs dynamics. The stereo time- resolved PIV method is used to acquire time series of the 3-component vector elds in plane perpendicular to the mean ow. Dynamics of the vortical structures in the vector elds is studied using Proper Orthogonal Decomposition method. The dynamical modes are shown. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2012
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