Title: On the 3D dynamics of the wake behing a circular cylinder
Authors: Uruba, Václav
Procházka, Pavel
Skála, Vladislav
Citation: URUBA, V., PROCHÁZKA, P., SKÁLA, V. On the 3D dynamics of the wake behing a circular cylinder. In: Proceedings Topical Problems of Fluid Mechanics 2020, Prague, 2020 Edited by David Šimurda and Tomáš Bodnár. Praha: Institute of Thermomechanics, AS CR, v.v.i., 2020. s. 240-248. ISBN 978-80-87012-74-1 , ISSN 2336-5781.
Issue Date: 2020
Publisher: Institute of Thermomechanics, AS CR, v.v.i.
Document type: konferenční příspěvek
URI: http://hdl.handle.net/11025/42553
ISBN: 978-80-87012-74-1
ISSN: 2336-5781
Keywords in different language: Wake;Dynamics;Circular Cylinder
Abstract in different language: Flow in the wake of a circular cylinder is studied experimentally using time-resolved stereo PIV method. Special attention is paid to 3D topology of dynamical structures. While the distribution of statistic quantities along the cylinder is uniform, and i.e. 2D, the instantaneous flow structure is fully 3D. Within the velocity fluctuating flow field the structures containing streamwise vorticity and velocity components are dominant. The POD modes connected with von Kármán vortex street are identified.
Rights: Plný text není přístupný.
© Institute of Thermomechanics, AS CR, v.v.i.
Appears in Collections:Konferenční příspěvky / Conference papers (CEV)
Konferenční příspěvky / Conference papers (KKE)

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