POD analysis of flow structures in a scale model of a ventilated room

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Abstract

Measurements with particle image velocimetry have been carried out in a scale model of the Annex 20 room. Data were taken in a plane near the inlet. The flow consisted of a wall jet (Re=5,000) and a low-velocity region below the jet. POD was used to analyze dominant flow structures. The analysis showed that the flow some of the time has flow structures very different from the mean velocity field. A time-resolved data series was projected onto the orthonormal basis derived from the POD for analysis of the time variation of the POD amplitudes.
Original languageEnglish
JournalExperiments in Fluids
Volume33
Issue number6
Pages (from-to)pp. 940-949
ISSN0723-4864
Publication statusPublished - 2002

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