On the scalability of helium-filled soap bubbles for volumetric PIV

A Grille Guerra, F Scarano, A Sciacchitano - Experiments in Fluids, 2024 - Springer
The scalability of experiments using PIV relies upon several parameters, namely illumination
power, camera sensor and primarily the tracers light scattering capability. Given their larger …

Localized Blowing for Near-Wake Flow and Vortical Structure Control in Turbulent Boundary Layers Over Periodic Two-Dimensional Roughness

AM Hamed, RM Gallary… - Journal of Fluids …, 2024 - asmedigitalcollection.asme.org
Volumetric three-component flow measurements were made to investigate localized blowing
(injection) as a control strategy for turbulent boundary layers over k-type two-dimensional …

Flow organization in the near wake of isolated and sheltered two-dimensional bar roughness elements

AM Hamed, CT O'Brien, AJ Hall, RM Gallary… - Physical Review …, 2023 - APS
Planar particle image velocimetry and volumetric particle tracking velocimetry were used to
investigate the flow over isolated and sheltered two-dimensional bar roughness elements …

A novel volumetric velocity measurement method for small seeding tracers in large volumes

Y Zhang, H Abitan, SL Ribergård… - … Symposium on Particle …, 2021 - journals.library.iit.edu
This paper presents the volumetric velocity measurement method of small seeding tracer
with diameter 5µm∼ 100µm for volumes of≥ 500cm 3. The size of seeding tracer is …

A novel laboratory pushing the limits for optics-based basic turbulence investigations

SL Ribergaard, Y Zhang, H Abitan, JS Nielsen… - … Symposium on Particle …, 2021 - orbit.dtu.dk
Developments in theoretical investigations and experimental techniques are reaching a
level of maturity for which it is finally becoming possible to answer some of the most pressing …

[HTML][HTML] Identification of swirling air flow velocity by non-neutrally buoyant tracer particle based on machine learning

Y Zhou, L Jiang - Flow Measurement and Instrumentation, 2023 - Elsevier
In the non-intrusive measurement of swirling air flow, helium-filled soap bubbles (HFSBs)
are ideal neutrally buoyant tracer particles However, there are some researchers that do not …

On the scalability of PIV experiments with helium filled soap bubbles

AG Guerra, F Scarano, A Sciacchitano - 2023 - researchsquare.com
The scalability of experiments using PIV relies upon several parameters, namely illumination
power, camera sensor and primarily the tracers light scattering capability. Given their larger …

Development of optical techniques for large volume PTV measurements

H Abitan, Y Zhang, SL Ribergaard, JS Nielsen… - … Symposium on Particle …, 2021 - orbit.dtu.dk
Measurements of 3D volumetric velocity fields are of great theoretical interest with numerous
practical applications. These measurements are essential for studying volumetric flows that …

Volumetric velocimetry for micron-scale seeding tracers in large volumes

Y Zhang, SL Ribergård, H Abitan, CM Velte - arXiv preprint arXiv …, 2021 - arxiv.org
This paper presents the volumetric velocity measurement method of small seeding tracer
with diameter $5\,\mathrm {\mu m}\sim 100\,\mathrm {\mu m} $ for volume $\geq …

Vortex-induced vibrations of a circular cylinder in elevated turbulence and unsteady freestream conditions

N Tumuluru Ramesh - 2024 - uwspace.uwaterloo.ca
This thesis presents the results of a series of experimental investigations focused on
exploring one degree of freedom (1-DOF) vortex-induced vibrations (VIV) of a rigid, circular …