Investigation of flow characteristics around a sphere placed in a boundary layer over a flat plate

M Ozgoren, A Okbaz, S Dogan, B Sahin… - Experimental Thermal and …, 2013 - Elsevier
Flow characteristics around a sphere located over a smooth flat plate were experimentally
investigated using dye visualization and PIV technique. The sphere was embedded in a …

[HTML][HTML] Wake characteristics of sphere with circular uniaxial through-hole arranged perpendicularly to streamwise direction

K Takamure, H Kato, T Uchiyama - Powder Technology, 2023 - Elsevier
In this study, the wake characteristics of a sphere with a uniaxial through-hole (that is, vented
sphere) and that of a sphere without a through-hole (that is, basic sphere) are investigated to …

Vortex dynamics of a sphere wake in proximity to a wall

H Zhao, X Liu, D Li, A Wei, K Luo, J Fan - International Journal of …, 2016 - Elsevier
Toward getting the vortex dynamics characteristics and wake structure of a sphere in
proximity to a wall, the effect of a proximal flat plate on the wake of a stationary sphere is …

Direct numerical simulation of the flow around a sphere immersed in a flat-plate turbulent boundary layer

W Shang, H Zhao, D Li, K Luo, J Fan - Physics of Fluids, 2021 - pubs.aip.org
This study investigates flow past a sphere immersed in a flat-plate turbulent boundary layer
by using direct numerical simulations, with the objective of clarifying the effects of a wall …

[PDF][PDF] Flow structure in the wake of a low-aspect-ratio wall-mounted bluff body

SM Hajimirzaie - 2013 - iro.uiowa.edu
The effects of shape and relative submergence (the ratio of flow depth to obstacle height,
d/H) were investigated on the wakes around four different low-aspect-ratio wall-mounted …

[PDF][PDF] Control of the flow past a sphere in a turbulent boundary layer using O-ring

A Okbaz, M Ozgoren, C Canpolat, B Sahin… - Wind and …, 2022 - researchgate.net
This research work presents an experimental study's outcomes to reveal the impact of an O-
ring on the flow control over a sphere placed in a turbulent boundary layer. The investigation …

Control of the flow past a sphere near a flat wall using passive jet

A Okbaz, M Ozgoren, S Dogan, C Canpolat, H Akilli… - Ocean …, 2019 - Elsevier
In the present investigation, interactions between the vortices shedding from a single sphere
and the boundary layer flow over a flat plate with various gap ratios have been investigated …

[PDF][PDF] Comparison of flow structure behaviors around a sphere and its passive control in a boundary layer flow

M Ozgoren, A Okbaz, S Dogan, B Sahin… - International Journal of …, 2012 - researchgate.net
Comparison of the experimental results of fluid-structure interaction between a smooth
sphere and a sphere with a vent hole, roughened, and an o-ring is presented when the …

Küre serbest yüzey etkileşimiyle oluşan akış yapısı ve kontrolünün deneysel incelenmesi

S Doğan - 2013 - acikerisim.selcuk.edu.tr
Özet Bu tez çalışmasının amacı küre etrafındaki akış yapısı ve bu akış yapısının serbest
yüzeyle etkileşiminin nicel ve nitel olarak deneysel araştırılmasıdır. Serbest yüzey akışı etkisi …

[PDF][PDF] Effect of Passive Jet on the Turbulent Wake of a Sphere Exposed to a Boundary Layer Flow over a Flat Plate

M Özgören, A Okbaz, S Doğan, B Şahin… - 6th International Ege …, 2012 - researchgate.net
Influence of plane boundary layer flow on characteristics of the wake downstream of a
sphere and its control with passive jet has been investigated by using dye visualization and …