منابع مشابه
Cfd Model of Bubble Driven Flow in Aluminium Reduction Cells and Validation Using Piv Measurement
This paper presents a CFD modelling study of the bubble driven hydrodynamics in aluminium reduction cells. A time-averaged (steady state) bubble driven flow model has been developed using a full scale air-water model of part of an aluminium reduction cell as a test-bed. Simulated results have been compared with experimental data taken under similar conditions using Particle Image Velocimetry (P...
متن کاملThree-dimensional Flow Visualization and Piv Measurement in near Field of Strongly Buoyant Jet
The near-field structure of strongly buoyant jet issuing from a square nozzle at low Froude and Reynolds numbers is studied by using three-dimensional LIF flow visualization and scanning PIV. These experimental techniques allow the visualization of unsteady three-dimensional flow phenomenon occurring in the near-field of strongly buoyant jet. It is found that the buoyant jet is unstable to the ...
متن کاملDigital Holographic Piv for 3d Flow Measurement
We have developed a simple digital holographic PIV system for 3D measurement of turbulent and multiphase flow. This system records in-line holograms of tracer particles directly on a digital camera and reconstructs the 3D particle field numerically. Using a novel complex amplitude-based method, we are able to overcome the depth of focus problem and the speckle noise problem associated with the ...
متن کاملReconfigurable Rainbow PIV for 3D Flow Measurement
In recent years, 3D Particle Imaging Velocimetry (PIV) has become more and more attractive due to its ability to fully characterize various fluid flows. However, 3D fluid capture and velocity field reconstruction remain a challenging problem. A recent rainbow PIV system encodes depth into color and successfully recovers 3D particle trajectories, but it also suffers from a limited and fixed volu...
متن کاملComparison of PIV and LDA Measurement Methods Applied to the Gas-Liquid Flow in a Bubble Column
In this work a comparison of multiphase PIV and LDA measurement methods is made. The objective of the work is twofold: to provide measurement results that can be used to validate multiphase CFD simulations and to assess the different acquisition and analysis methods in multiphase measurements. The former is done with the use of a two-camera PIV/LIF method. It is shown that this method gives det...
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ژورنال
عنوان ژورنال: Journal of the Visualization Society of Japan
سال: 2007
ISSN: 1884-037X,0916-4731
DOI: 10.3154/jvs.27.107_265