A particle-image velocimetry tracer generating technique for liquid flows

A device to generate micro-bubbles as seeding particles for particle-image velocimetry (PIV) measurements in liquid flows is introduced. The diameter distribution of the bubbles is measured using interferometric particle imaging (IPI). This note shows the feasibility of the device to create bubbles...

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Bibliographic Details
Published in:Measurement science & technology 2014-08, Vol.25 (8), p.87001-4
Main Authors: van Overbrüggen, Timo, Schröder, Franka, Klaas, Michael, Schröder, Wolfgang
Format: Article
Language:English
Subjects:
Bubbles
Devices
Feasibility
Fluid dynamics
interferometric particle imaging
Liquid flow
Nucleation
particle-image velocimetry
seeding particles
Tracers
Velocimetry
Velocity measurement
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Description
Summary:A device to generate micro-bubbles as seeding particles for particle-image velocimetry (PIV) measurements in liquid flows is introduced. The diameter distribution of the bubbles is measured using interferometric particle imaging (IPI). This note shows the feasibility of the device to create bubbles with a diameter distribution that matches the requirements of PIV measurements in liquid flows such that a viable alternative to solid seeding materials for PIV measurements is available.
ISSN:0957-0233
1361-6501
DOI:10.1088/0957-0233/25/8/087001