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 …

Collaborative framework for PIV uncertainty quantification: the experimental database

DR Neal, A Sciacchitano, BL Smith… - Measurement Science …, 2015 - iopscience.iop.org
The uncertainty quantification of particle image velocimetry (PIV) measurements has
recently become a topic of great interest as shown by the recent appearance of several …

Experiments on the structure and scaling of hypersonic turbulent boundary layers

OJH Williams, D Sahoo, ML Baumgartner… - Journal of Fluid …, 2018 - cambridge.org
Particle image velocimetry and filtered Rayleigh scattering experiments were performed
over a range of Reynolds numbers to study the scaling and structure of a smooth, flat-plate …

Smartphone-based particle image velocimetry for cardiovascular flows applications: A focus on coronary arteries

GCA Caridi, E Torta, V Mazzi, C Chiastra… - … in Bioengineering and …, 2022 - frontiersin.org
An experimental set-up is presented for the in vitro characterization of the fluid dynamics in
personalized phantoms of healthy and stenosed coronary arteries. The proposed set-up was …

Interfacial shear stress measurement using high spatial resolution multiphase PIV

MA André, PM Bardet - Experiments in Fluids, 2015 - Springer
In multiphase flows, form drag and viscous shear stress transfer momentum between
phases. For numerous environmental and man-made flows, it is of primary importance to …

Velocity field, surface profile and curvature resolution of steep and short free-surface waves

MA André, PM Bardet - Experiments in fluids, 2014 - Springer
Abstract On steep, millimeter-scale, 2D water waves, surface profile, and subsurface velocity
field are measured with high-spatio-temporal resolution. This allows resolving surface …

Effect of trip** on hypersonic turbulent boundary-layer statistics

OJH Williams, AJ Smits - AIAA journal, 2017 - arc.aiaa.org
The effect of varying three-dimensional, cylindrical post-type trip size on the mean and
turbulent velocity profiles of a Mach 7.6 turbulent boundary layer is examined using particle …

Density effects on turbulent boundary layer structure: from the atmosphere to hypersonic flow

OJH Williams - 2014 - search.proquest.com
This dissertation examines the effects of density gradients on turbulent boundary layer
statistics and structure using Particle Image Velocimetry (PIV). Two distinct cases were …

Free surface over a horizontal shear layer: vorticity generation and air entrainment mechanisms

MA André, PM Bardet - Journal of Fluid Mechanics, 2017 - cambridge.org
Two air entrainment mechanisms driven by vortex instability are reported in the unstable
relaxation of a horizontal shear layer below a free surface. This flow is experimentally …

Peak-locking full characterization: PIV error assessment and velocity ensemble measurement correction

J Nogueira, M Legrand, R Jiménez… - Measurement Science …, 2021 - iopscience.iop.org
Concluding a few previous approaches, the last work by the authors presented a complete
analytic model for peak-locking error. That work was devoted to the mathematical foundation …