Results 11 to 20 of about 18,690 (210)

Tomographic X-ray particle tracking velocimetry [PDF]

open access: yesExperiments 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

Detailed Investigation of the Droplet Dynamics Parameters Produced by Artificially Induced Bag-Breakup Fragmentation

open access: yesFluids, 2022
This paper presents the results of detailed studies of the processes of droplet formation and its characteristics under conditions of artificially induction of a bag-breakup fragmentation event.
Daniil Sergeev   +3 more
doaj   +1 more source

3D particle tracking velocimetry using dynamic discrete tomography [PDF]

open access: yes, 2014
Particle tracking velocimetry in 3D is becoming an increasingly important imaging tool in the study of fluid dynamics, combustion as well as plasmas.
Alpers, Andreas   +3 more
core   +10 more sources

Underwater LED-based Lagrangian particle tracking velocimetry

open access: yesJournal 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

Study on visualization of water mixing flows in a digester equipped with a vertical impeller by using radiotracers

open access: yesNuclear Engineering and Technology, 2020
A mixer with a new concept design has been adapted into water treatment plants. It reportedly cuts down the energy consumption of the mixer by the new mixer, which moves vertically and creates internal flows toward its bottom.
Sung-Hee Jung   +3 more
doaj   +1 more source

An Evaluation of Image Velocimetry Techniques under Low Flow Conditions and High Seeding Densities Using Unmanned Aerial Systems

open access: yesRemote Sensing, 2020
Image velocimetry has proven to be a promising technique for monitoring river flows using remotely operated platforms such as Unmanned Aerial Systems (UAS).
Sophie Pearce   +13 more
doaj   +1 more source

Particle retracking algorithm capable of quantifying large, local matrix deformation for traction force microscopy

open access: yesPLoS 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

open access: yesFrontiers 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

Simultaneous 3D tracking and temperature measurements of L-PBF spatter particles using a single camera

open access: yesAdditive Manufacturing Letters, 2023
This work discusses the implementation of a novel technique for simultaneous 3D particle tracking velocimetry and dual-wavelength pyrometry of spatter particles ejected during the Laser-Powder Bed Fusion (L-PBF) process using a single high-speed spectral
Dustin Kelly   +5 more
doaj   +1 more source

Performance prediction of point-based three-dimensional volumetric measurement systems [PDF]

open access: yes, 2008
Point-based three-dimensional volumetric measurement systems are defined as multi-view vision systems which reconstruct a three-dimensional scene by first identifying key points on the views and then performing the reconstruction.
Gharib, M., Graff, E. C.
core   +1 more source

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