Effects of cylinder Reynolds number on the turbulent horseshoe vortex system and near wake of a surface-mounted circular cylinder

G Kirkil, G Constantinescu - Physics of Fluids, 2015‏ - pubs.aip.org
The turbulent horseshoe vortex (HV) system and the near-wake flow past a circular cylinder
mounted on a flat bed in an open channel are investigated based on the results of eddy …

Effects of free-end corner shape on flow structure around a finite cylinder

CW Park, SJ Lee - Journal of Fluids and Structures, 2004‏ - Elsevier
The flow structure around the free end of a finite circular cylinder embedded in an
atmospheric boundary layer (ABL) over open terrain was investigated experimentally by …

Flow characteristics of circular cylinders arranged side-by-side in shallow water

H Akilli, A Akar, C Karakus - Flow measurement and Instrumentation, 2004‏ - Elsevier
The flow around two and three side-by-side circular cylinders of equal diameter in shallow
water was investigated experimentally using the particle image velocimetry (PIV) technique …

Control of vortex shedding of circular cylinder in shallow water flow using an attached splitter plate

H Akilli, C Karakus, A Akar, B Sahin, NF Tumen - 2008‏ - asmedigitalcollection.asme.org
In the present work, passive control of vortex shedding behind a circular cylinder by splitter
plates of various lengths attached on the cylinder base is experimentally investigated in …

Horseshoe vortex system in the vicinity of the vertical cylinder mounted on a flat plate

B Sahin, NA Ozturk, H Akilli - Flow Measurement and Instrumentation, 2007‏ - Elsevier
The present investigation concentrates on the flow structure around the base of the vertical
cylinder mounted on a flat plate for the Reynolds number of Re= 4000. The technique of …

Experimental studies on wake structures of a circular cylinder with different surface roughness heights

C Sun, T Zhou, H An, H Zhu, L Cheng - … Journal of Heat and Fluid Flow, 2022‏ - Elsevier
In the present study, the effects of surface roughness height (k/D) on wake characteristics of
a circular cylinder were examined experimentally in a water flume at a Reynolds number of …

Passive control of flow structures around a circular cylinder by using screen

V Oruc - Journal of Fluids and Structures, 2012‏ - Elsevier
The results of PIV measurements are presented in this paper for the water flow downstream
of a circular cylinder surrounded with a screen (meshed outer control element) which had a …

On the study of vortex-induced vibration of circular cylinders covered with different roughness

C Sun, T Zhou, H An, H Zhu, L Cheng - Applied Ocean Research, 2022‏ - Elsevier
The existence of roughness changes the surface conditions of a cylindrical structure and
hence influences its hydrodynamic properties. The present study focused on the vortex …

A numerical study of the laminar necklace vortex system and its effect on the wake for a circular cylinder

G Kirkil, G Constantinescu - Physics of Fluids, 2012‏ - pubs.aip.org
Large eddy simulation (LES) is used to investigate the structure of the laminar horseshoe
vortex (HV) system and the dynamics of the necklace vortices as they fold around the base …

Flow and coherent structures around circular cylinders in shallow water

J Zeng, G Constantinescu - Physics of Fluids, 2017‏ - pubs.aip.org
Eddy-resolving numerical simulations are conducted to investigate the dynamics of the large-
scale coherent structures around a circular cylinder in an open channel under very shallow …