Results 101 to 110 of about 18,690 (210)

Wave Structure and Velocity Profiles in Downwards Gas-Liquid Annular Flow [PDF]

open access: yes, 2013
The downwards co-current gas-liquid annular flows inside a vertically oriented pipe have been experimentally investigated. The measurements and characterisation were performed using advanced optical non-intrusive laser-based techniques, namely Laser ...
Hewitt, GF   +3 more
core  

Particle Detection Algorithms for Complex Plasmas

open access: yes, 2017
In complex plasmas, the behavior of freely floating micrometer sized particles is studied. The particles can be directly visualized and recorded by digital video cameras.
Huber, Peter   +3 more
core   +1 more source

Developing Tracer Particles for X-Ray Particle Tracking Velocimetry

open access: yesASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2011
X-ray imaging, as a noninvasive flow visualization technique, has been shown to be a useful method for observing and characterizing multiphase flows. One type of X-ray flow visualization technique, called X-ray Particle Tracking Velocimetry (XPTV), tracks an X-ray attenuating particle in an opaque fluid flow.
Drake, Joshua   +3 more
openaire   +3 more sources

High-precision and high-accuracy stereophotogrammetric image analysis for small to large strain deformation measurement in triaxial apparatus [PDF]

open access: yesE3S Web of Conferences
A deformation measurement system for laboratory soil testing based on stereophotogrammetric image analysis was developed with a purpose of characterising soil behaviour continuously from small to large strains.
Nishimura Satoshi
doaj   +1 more source

Particle Tracking Velocimetry Measurements and Simulations of Internal Flow with Induced Swirl

open access: yesFluids
The downstream decay of induced swirling flow within an internal passage has implications for heat transfer enhancement, species mixing, and combustion processes.
Ryan Boldt   +3 more
doaj   +1 more source

A Feature Tracking velocimetry technique applied to inclined negatively buoyant jets [PDF]

open access: yes, 2014
We have applied a Feature Tracking Velocimetry (FTV) technique to measure displacements of particles on inclined negatively buoyant jets (INBJs), issuing from a circular sharp-edged orifice, in order to investigate, among the others, the symmetry ...
Badas M G   +3 more
core  

Particle Cluster Tracking Algorithm in Particle Image Velocimetry.

open access: yesJSME International Journal Series B, 1998
The cross-correlation tracking technique is widely used to analyze image data, in particle image velocimetry(PIV). The technique assumes that the fluid motion, within small regions of the flow field, is parallel over short time intervals. However, actual flow fields may have some distorted motion, such as rotation, shear and expansion.
openaire   +2 more sources

Experimental and numerical study of settling of dual cubes released side-by-side

open access: yesEngineering Applications of Computational Fluid Mechanics
In this study, the settling behaviour of two cubes and two spheres released side-by-side in a quiescent fluid is investigated through both experimental and numerical simulation approaches.
Zhihao Wang   +7 more
doaj   +1 more source

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