Journal ArticleDOI
Twenty years of particle image velocimetry
TLDR
The development of the method of particle image velocimetry (PIV) is traced by describing some of the milestones that have enabled new and/or better measurements to be made.Abstract:
The development of the method of particle image velocimetry (PIV) is traced by describing some of the milestones that have enabled new and/or better measurements to be made. The current status of PIV is summarized, and some goals for future advances are addressed.read more
Citations
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Toward simultaneous flow and pressure assessment in large arteries using non-invasive ultrasound
TL;DR: In this paper, Particle Image Velocimetry (PIV) is gevalideerd door metingen van het snelheidsprofiel in een experimentele opstelling te vergelijken met resultaten van computational fluid dynamics (CFD) berekend.
Dissertation
New formulation of optical flow for turbulence estimation
TL;DR: In this paper, the methode du flot optique is proposed for recuperer, d'une maniere precise, le champ de vitesse des mouvements turbulents incompressible.
Dissertation
Experimental investigation of flame propagation through stratified mixture field
TL;DR: In this article, the propagation of flame through stratified mixture field in laminar and turbulent flow conditions has been studied by using combined PIV/PLIF techniques, and a great emphasis was placed on developing methods to improve the accuracy of local measurements of flame propagation.
Journal ArticleDOI
A step towards the live identification of pipe obstructions with the use of passive acoustic emission and supervised machine learning
TL;DR: The combination of machine learning and a single passive acoustic sensor is a viable option to predict pipe obstructions and the type of obstruction, which may lead to a useful application for urban water supply or sewage systems.
Flame stability of an ultra-lean premixed low-swirl burner
TL;DR: In this article, Cheng et al. used a 3D particle image velocimetry system (stereoscopic PIV) to quantify the swirling velocity in the reactant flow and establish the mean flame front contour positions, which are related to stability.
References
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Book
Particle Image Velocimetry: A Practical Guide
TL;DR: In this paper, the authors present a practical guide for the planning, performance and understanding of experiments employing the PIV technique, which is primarily intended for engineers, scientists and students, who already have some basic knowledge of fluid mechanics and nonintrusive optical measurement techniques.
Journal ArticleDOI
Digital Particle Image Velocimetry
Christian Willert,Morteza Gharib +1 more
TL;DR: In this article, the directional ambiguity associated with PIV and LSV is resolved by implementing local spatial cross-correlations between two sequential single-exposed particle images, and the recovered velocity data are used to compute the spatial and temporal vorticity distribution and the circulation of the vortex ring.
Book ChapterDOI
Particle Image Velocimetry
TL;DR: In this paper, the authors use hot-wire (HW) or laser velocimetry (LV) to estimate the velocity, vorticity, and pressure fields of wake flows.
Journal ArticleDOI
Determination of displacements using an improved digital correlation method
TL;DR: An improved digital correlation method is presented for obtaining the full-field in-plane deformations of an object by numerically correlating a selected subset from the digitized intensity pattern of the undeformed object.
Journal ArticleDOI
Fundamentals of digital particle image velocimetry
TL;DR: In this paper, the measurement principle of digital particle image velocimetry (PIV) is described in terms of linear system theory and conditions for PIV correlation analysis as a valid interrogation method are determined.