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Physics of Fluids, 2022 The velocities measured by particle image velocimetry (PIV) and particle tracking velocimetry (PTV) commonly provide sparse information on flow motions. A dense velocity field with high resolution is indispensable for data visualization and analysis.
Hongping Wang +2 more
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3D particle tracking velocimetry using dynamic discrete tomography
Computer Physics Communications, 2015 Particle tracking velocimetry in 3D is becoming an increasingly important imaging tool in the study of fluid dynamics and combustion as well as plasmas.
Andreas Alpers +2 more
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A Vision-Based Particle Tracking Velocimetry
Real-Time Imaging, 2001Summary: Particle Image Velocimetry (PIV) is a non-intrusive optical technique to measure velocity of flows. It provides the simultaneous visualization of the streamline pattern in unsteady flows and the quantification of the velocity field over the image plane. To reveal the flow motion, the flow is seeded by small scattering particles.
NESI, PAOLO +3 more
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Particle Tracking Velocimetry for indoor airflow field: A review
Building and Environment, 2015 International audienceAirflow field measurement plays a significant role in creating a thermally comfortable indoor environment, by providing adequate quantitative information of indoor air distribution and local air velocity.
Pascal Henry Biwolé
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Particle Tracking Velocimetry using the genetic algorithm
Journal of Visualization, 2009A new concept genetic algorithm (GA) has been implemented and tested for the use in the 2-D and 3-D Particle Tracking Velocimetry (PTV). The algorithm is applicable to particle images with larger (greater than 2000) number of particles without losing the excellent accuracy in the particle matching results.
Kazuo Ohmi, Sanjeeb Prasad Panday
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Particle design for displacement tracking velocimetry
Measurement Science and Technology, 1995Particle displacement tracking velocimetry is used to obtain full-field minimally invasive velocity measurement of natural convective flow in multiple immiscible liquid layers. The quality of the obtained signals depends very much on the particles used.
T Schmitt, J N Koster, H Hamacher
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A variational approach for particle tracking velocimetry
Measurement Science and Technology, 2005We introduce a novel variational approach for evaluating PTV image pairs and sequences in two and three dimensions. We combine a discrete non-differentiable particle matching term with a continuous regularization term. An advanced mathematical method guarantees convergence to a local minimum.
P Ruhnau, C Guetter, T Putze, C Schnörr
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Particle Tracking Velocimetry in Noisy Environment
Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, 2020Abstract The encoded Particle Tracking Velocimetry (ePTV) is introduce in this paper as a specific approach of Particle Tracking Velocimetry (PTV). This method is applied to track particles obtained from flow images that contain significant background noise and relatively low particle density.
Seyedmohammad Mousavisani +3 more
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Magnetic characterization of paramagnetic reagents by particle tracking velocimetry
Review of Scientific Instruments, 2021Magnetic particle characterization determines the quality of magnetic particles and is of great importance in particle technology, drug delivery, cell separation, in vivo diagnostics, and other biomedical applications. The quality of the sample depends on the particle size, intrinsic magnetic properties of the particles, and the uniformity of these ...
Abhinav Sannidhi +2 more
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