Comparative assessment of pressure field reconstructions from particle image velocimetry measurements and Lagrangian particle tracking

PL Van Gent, D Michaelis, BW Van Oudheusden… - Experiments in …, 2017 - Springer
A test case for pressure field reconstruction from particle image velocimetry (PIV) and
Lagrangian particle tracking (LPT) has been developed by constructing a simulated …

Real-time quantitative Schlieren imaging by fast Fourier demodulation of a checkered backdrop

S Wildeman - Experiments in Fluids, 2018 - Springer
A quantitative synthetic Schlieren imaging (SSI) method based on fast Fourier demodulation
is presented. Instead of a random dot pattern (as usually employed in SSI), a 2D periodic …

A meshless method to compute pressure fields from image velocimetry

P Sperotto, S Pieraccini… - Measurement Science and …, 2022 - iopscience.iop.org
We propose a meshless method to compute pressure fields from image velocimetry data,
regardless of whether this is available on a regular grid as in cross-correlation based …

[PDF][PDF] Reconstructing the pressure field around swimming fish using a physics-informed neural network

MA Calicchia, R Mittal, JH Seo… - Journal of Experimental …, 2023 - journals.biologists.com
Fish detect predators, flow conditions, environments and each other through pressure
signals. Lateral line ablation is often performed to understand the role of pressure sensing …

Error propagation from the PIV-based pressure gradient to the integrated pressure by the omnidirectional integration method

X Liu, JR Moreto - Measurement Science and Technology, 2020 - iopscience.iop.org
This paper reports a theoretical analysis and the corresponding numerical and experimental
validation results of the error propagation characteristics of the omnidirectional integration …

Sequential least-square reconstruction of instantaneous pressure field around a body from TR-PIV

YJ Jeon, G Gomit, T Earl, L Chatellier, L David - Experiments in Fluids, 2018 - Springer
A procedure is introduced to obtain an instantaneous pressure field around a wing from time-
resolved particle image velocimetry (TR-PIV) and particle image accelerometry (PIA). The …

Optimization of planar PIV-based pressure estimates in laminar and turbulent wakes

J McClure, S Yarusevych - Experiments in Fluids, 2017 - Springer
The performance of four pressure estimation techniques using Eulerian material
acceleration estimates from planar, two-component Particle Image Velocimetry (PIV) data …

Time-resolved large-scale volumetric pressure fields of an impinging jet from dense Lagrangian particle tracking

F Huhn, D Schanz, P Manovski, S Gesemann… - Experiments in …, 2018 - Springer
Time-resolved volumetric pressure fields are reconstructed from Lagrangian particle tracking
with high seeding concentration using the Shake-The-Box algorithm in a perpendicular …

Experimental study on wake flows of a live fish with time-resolved tomographic PIV and pressure reconstruction

H Tu, FJ Wang, HP Wang, Q Gao, RJ Wei - Experiments in Fluids, 2022 - Springer
Volumetric measurement for the wake structures generated by a freely swimming zebra fish
has been conducted by tomographic particle image velocimetry. The 3D flow visualization is …

Using uncertainty to improve pressure field reconstruction from PIV/PTV flow measurements

J Zhang, S Bhattacharya, PP Vlachos - Experiments in Fluids, 2020 - Springer
A novel pressure reconstruction method is proposed to use the uncertainty information to
improve the instantaneous pressure fields from velocity fields measured using particle …