Particle image velocimetry for complex and turbulent flows

J Westerweel, GE Elsinga… - Annual Review of Fluid …, 2013 - annualreviews.org
Particle image velocimetry (PIV) has evolved to be the dominant method for velocimetry in
experimental fluid mechanics and has contributed to many advances in our understanding …

Uncertainty quantification in particle image velocimetry

A Sciacchitano - Measurement Science and Technology, 2019 - iopscience.iop.org
Particle image velocimetry (PIV) has become the chief experimental technique for velocity
field measurements in fluid flows. The technique yields quantitative visualizations of the …

Dense velocity reconstruction from particle image velocimetry/particle tracking velocimetry using a physics-informed neural network

H Wang, Y Liu, S Wang - Physics of fluids, 2022 - pubs.aip.org
The velocities measured by particle image velocimetry (PIV) and particle tracking
velocimetry (PTV) commonly provide sparse information on flow motions. A dense velocity …

PIV-based pressure measurement

BW Van Oudheusden - Measurement Science and Technology, 2013 - iopscience.iop.org
The topic of this article is a review of the approach to extract pressure fields from flow
velocity field data, typically obtained with particle image velocimetry (PIV), by combining the …

Pressure fluctuations induced by a hypersonic turbulent boundary layer

L Duan, MM Choudhari, C Zhang - Journal of Fluid Mechanics, 2016 - cambridge.org
Direct numerical simulations (DNS) are used to examine the pressure fluctuations generated
by a spatially developed Mach 5.86 turbulent boundary layer. The unsteady pressure field is …

Dynamic mode decomposition on pressure flow field analysis: Flow field reconstruction, accuracy, and practical significance

CY Li, KT Tim, G Hu - Journal of Wind Engineering and Industrial …, 2020 - Elsevier
This study applies the Dynamic Mode Decomposition (DMD) technique to a prototypical
wind engineering problem of flow past a square prism at a Reynolds number of 22,000 to …

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 …

Machine learning strategies applied to the control of a fluidic pinball

C Raibaudo, P Zhong, BR Noack, RJ Martinuzzi - Physics of Fluids, 2020 - pubs.aip.org
The wake stabilization of a triangular cluster of three rotating cylinders is investigated.
Experiments are performed at Reynolds number Re∼ 2200. Flow control is realized using …

Adaptive separation control of a laminar boundary layer using online dynamic mode decomposition

EA Deem, LN Cattafesta III, MS Hemati… - Journal of Fluid …, 2020 - cambridge.org
Adaptive control of flow separation based on online dynamic mode decomposition (DMD) is
formulated and implemented on a canonical separated laminar boundary layer via a pulse …

Comparative assessment for pressure field reconstruction based on physics-informed neural network

D Fan, Y Xu, H Wang, J Wang - Physics of Fluids, 2023 - pubs.aip.org
In this paper, a physics-informed neural network (PINN) is used to determine pressure fields
from the experimentally measured velocity data. As a novel method of data assimilation …