Reconstruction of 3D flow structures in a cylindrical cavity with a rotating lid using time-resolved stereo PIV

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Abstract

Time-resolved Particle Image Velocimetry (PIV) measurements in two perpendicular planes are used to reconstruct a flow in an axisymmetric facility in both time and space. The reconstruction is based on Proper Orthogonal Decomposition (POD) and is used to distinguish between spatial and temporal variations. The flow in a cylindrical cavity with a rotating lid of a height of three radii and a Reynolds number of about 3500 is used as example. The reconstruction identifies a series of flow structures including axisymmetric vortex breakdown and distinct vortex structures along the cylinder wall.
Original languageEnglish
Title of host publication8TH INTERNATIONAL SYMPOSIUM ON PARTICLE IMAGE VELOCIMETRY
Publication date2009
Publication statusPublished - 2009
Event8th International Symposium on Particle Image Velocimetry - Melbourne, Australia
Duration: 25 Aug 200928 Aug 2009
Conference number: 8

Conference

Conference8th International Symposium on Particle Image Velocimetry
Number8
CountryAustralia
CityMelbourne
Period25/08/200928/08/2009

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