On 3D Flow Pattern Behind aWall-mounted Circular Cylinder of Finite-length

0542738 - ÚT 2022 RIV US eng C - Konferenční příspěvek (zahraniční konf.)
Uruba, Václav - Procházka, Pavel P.
On 3D Flow Pattern Behind aWall-mounted Circular Cylinder of Finite-length.
19th Conference on Power System Engineering. Melville: American Institute of Physics Inc., 2021 - (Richter, L.; Vasickova, E.; Vasickova, M.; Volf, M.), č. článku 030002. 2323. ISBN 978-0-7354-4067-8. ISSN 0094-243X. E-ISSN 1551-7616.
[Conference on Power System Engineering /19./. Plzeň (CZ), 08.09.2020-10.09.2020]
Grant CEP: GA ČR(CZ) GA17-01088S; GA ČR(CZ) GC19-02288J
Institucionální podpora: RVO:61388998
Klíčová slova: cylinder * finite-length * PIV
Obor OECD: Applied mechanics
https://aip.scitation.org/doi/epdf/10.1063/5.0041449

The wake behind a wall-mounted finite-length circular cylinder of the aspect ratio 2 stuck out of a wall was studied experimentally using stereo PIV technique. The cylinder was mounted normal to a ground plane and it was subjected to a cross-flow with thin boundary layer developed on the wall, the Reynolds number based on inflow velocity and cylinder diameter was 9.7 thousands. The time-averaged velocity and streamwise vorticity fields showed the development of the mean flow structure consisting of the tip vortex pair, the extent of the near-wake recirculation zone with back-flow, the downwash phenomenon and base vortex structures close to the wall.
Trvalý link: http://hdl.handle.net/11104/0320677