Results 11 to 20 of about 18,864 (213)
3D scanning particle tracking velocimetry [PDF]
Experiments in Fluids, 2018 In this article, we present an experimental setup and data processing schemes for 3D scanning particle tracking velocimetry (SPTV), which expands on the classical 3D particle tracking velocimetry (PTV) through changes in the illumination, image ...
Guala, Michele +5 more
core +4 more sources
Part2Track: A MATLAB package for double frame and time resolved Particle Tracking Velocimetry
SoftwareX, 2020 Within this paper we present Part2Track, a MATLAB software package for the evaluation of 2D Particle Tracking Velocimetry (PTV) measurements. Part2Track is not only capable of handling time resolved image series but also double frame image sets, which ...
T. Janke, R. Schwarze, K. Bauer
doaj +3 more sources
Errors in particle tracking velocimetry with high-speed cameras
Review of Scientific Instruments, 2011 Velocity errors in particle tracking velocimetry (PTV) are studied. When using high-speed video cameras, the velocity error may increase at a high camera frame rate. This increase in velocity error is due to particle-position uncertainty, which is one of
Feng, Yan, Goree, J., Liu, Bin
core +3 more sources
Gaussian process post-processing for particle tracking velocimetry. [PDF]
Biomed Opt Express, 2019 Particle tracking velocimetry (PTV) gives quantitative estimates of fluid flow velocities from images. But particle tracking is a complicated problem, and it often produces results that need substantial post-processing. We propose a novel Gaussian process regression-based post-processing step for PTV: The method smooths ("denoises") and densely ...
Tang T, Deniz E, Khokha MK, Tagare HD.
europepmc +3 more sources
Holographic Astigmatic Particle Tracking Velocimetry [PDF]
Measurement Science and Technology, 2019 The formation of twin images in digital inline holography (DIH) prevents the placement of the focal plane in the center of a sample volume for DIH-based particle tracking velocimetry (DIH-PTV) with a single camera. As a result, it is challenging to apply DIH-PTV for flow measurements in large-scale laboratory facilities or many field applications where
Zhou, Zhou +4 more
openaire +3 more sources
Volumetric particle tracking velocimetry (PTV) uncertainty quantification [PDF]
Experiments in Fluids, 2020 We introduce the first comprehensive approach to determine the uncertainty in volumetric Particle Tracking Velocimetry (PTV) measurements. Volumetric PTV is a state-of-the-art non-invasive flow measurement technique, which measures the velocity field by recording successive snapshots of the tracer particle motion using a multi-camera set-up.
Sayantan Bhattacharya, Pavlos P. Vlachos
openaire +2 more sources
Tomographic X-ray particle tracking velocimetry [PDF]
Experiments in Fluids, 2021 Abstract We investigate the feasibility of in-laboratory tomographic X-ray particle tracking velocimetry (TXPTV) and consider creeping flows with nearly density matched flow tracers. Specifically, in these proof-of-concept experiments we examined a Poiseuille flow, flow through porous media and a multiphase flow with a ...
Simo A. Mäkiharju +4 more
openaire +1 more source
Underwater LED-based Lagrangian particle tracking velocimetry
Journal of Visualization, 2022 Abstract A new white-light volumetric flow measurement technique is presented that can be used in large-scale facilities. The technique enables large volumes to be measured with high temporal and spatial resolution and without the need for a class-4 laser.
Ignazio Maria Viola +3 more
openaire +2 more sources
PLoS ONE, 2022 Deformation measurement is a key process in traction force microscopy (TFM). Conventionally, particle image velocimetry (PIV) or correlation-based particle tracking velocimetry (cPTV) have been used for such a purpose.
Samuel E. Haarman +4 more
doaj +2 more sources
Considerations When Applying Large-Scale PIV and PTV for Determining River Flow Velocity
Frontiers in Water, 2021 Large-scale image velocimetry is a novel approach for non-contact remote sensing of flow in rivers. Research within this topic has largely focussed on developing specific aspects of the image velocimetry work-flow, or alternatively, testing specific ...
Martin J. Jolley +3 more
doaj +1 more source