منابع مشابه
Digital 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 کاملMicroscopic PIV measurements for electro-osmotic flows in PDMS microchannels
Electro-osmosis is the flow produced by the action of an electric field on a fluid with a net charge, which is created by the Zeta potential and confined in the Debye layer. This basic phenomenon in the electro-kinetic transport plays an important role in the microfluidic systems being explored today because it can be applied to a variety of MEMS devices. This paper presents global and point-wi...
متن کاملScalar mixing and strain dynamics methodologies for PIV/LIF measurements of vortex ring flows Scalar mixing and strain dynamics methodologies for PIV/LIF measurements of vortex ring flows
Fluid mixing operations are central to possibly all chemical, petrochemical, and pharmaceutical industries, either being related to biphasic blending in polymerisation processes, cell suspension for biopharmaceuticals production and fractionation of complex oil mixtures. This work aims at providing a fundamental understanding of the mixing and stretching dynamics occurring in a reactor in the p...
متن کاملPIV Measurement of Red Blood Cell Velocity Field in Microvessels
As endothelial cells are subject to flow shear stress. it is important to determine the detailed velocity distribution in microvessels in the study of mechanical interactions between blood and endothelium. Recently. particle image velocimetry (PIV) has been proposed as a quantitative method of measuring velocity fields instantaneously in experimental fluid mechanics. The authors have developed....
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ژورنال
عنوان ژورنال: Journal of the Visualization Society of Japan
سال: 1997
ISSN: 1884-037X,0916-4731
DOI: 10.3154/jvs.17.supplement1_141