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.
|Title of host publication||8TH INTERNATIONAL SYMPOSIUM ON PARTICLE IMAGE VELOCIMETRY|
|Publication status||Published - 2009|
|Event||8th International Symposium on Particle Image Velocimetry - Melbourne, Australia|
Duration: 25 Aug 2009 → 28 Aug 2009
Conference number: 8
|Conference||8th International Symposium on Particle Image Velocimetry|
|Period||25/08/2009 → 28/08/2009|