Imaging-based 3D particle tracking system for field characterization of particle dynamics in atmospheric flows

N Bristow, J Li, P Hartford, M Guala, J Hong - Experiments in Fluids, 2023 - Springer
A particle tracking velocimetry apparatus is presented that is capable of measuring three-
dimensional particle trajectories across large volumes, of the order of several meters, during …

Identifying dominant flow features from very-sparse Lagrangian data: a multiscale recurrence network-based approach

G Iacobello, DE Rival - Experiments in fluids, 2023 - Springer
Realistic fluid flow problems often require that Lagrangian tracers are deployed in a sparse
or very-sparse manner, such as for oceanic and atmospheric flows where large-scale motion …

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 …

Large-scale volumetric particle tracking using a single camera: analysis of the scalability and accuracy of glare-point particle tracking

F Kaiser, DE Rival - Experiments in Fluids, 2023 - Springer
Recent advances in tracer, illumination, and camera technology, paired with new processing
algorithms, have been pushing the limits of scale for three-dimensional flow measurements …

Relative fluid stretching and rotation for sparse trajectory observations

NO Aksamit, AP Encinas-Bartos, G Haller… - Journal of Fluid …, 2024 - cambridge.org
As most mathematically justifiable Lagrangian coherent structure detection methods rely on
spatial derivatives, their applicability to sparse trajectory data has been limited. For …

Characterization of milkweed-seed gust response

JN Galler, DE Rival - Bioinspiration & biomimetics, 2021 - iopscience.iop.org
Inspired by the reproductive success of plant species that employ bristled seeds for wind-
borne dispersal, this study investigates the gust response of milkweed seeds, selected for …

Development and characterization of a passive, bio-inspired flow-tracking sensor

JN Galler, DE Rival - Bioinspiration & Biomimetics, 2023 - iopscience.iop.org
The effective natural transport of seeds in turbulent atmospheric flows is found across a
myriad of shapes and sizes. However, to develop a sensitive passive sensor required for …

Large-scale particle shadow tracking and orientation measurement with collimated light

L Baker, M DiBenedetto - Experiments in Fluids, 2023 - Springer
Lagrangian particle tracking experiments are a key tool to understanding particle transport in
fluid flows. However, tracking particles over long distances is expensive and limited by both …

Single-camera PTV within interfacially sheared drops in microgravity

PM McMackin, JA Adam, FP Riley, AH Hirsa - Experiments in Fluids, 2023 - Springer
Abstract Development of experimental methods for in situ particle tracking velocimetry (PTV)
is fundamental for allowing measurement of moving systems non-tailored for velocimetry …

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 …