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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Journal ArticleDOI
Particle image velocimetry correlation signal-to-noise ratio metrics and measurement uncertainty quantification
TL;DR: In this article, the authors extended the original work by Charonko and Vlachos and presented a framework for evaluating the correlation SNR using a set of different metrics, which in turn are used to develop models for uncertainty estimation.
Journal ArticleDOI
Permeability of Wellbore-Cement Fractures Following Degradation by Carbonated Brine
TL;DR: In this article, the authors describe how these geochemical and geomechanical processes affect fracture permeability in wellbore cement and compare these competing influences in light of data from a core-flood experiment conducted under carbon sequestration conditions.
Book ChapterDOI
Transfer Across the Air-Sea Interface
Christoph S. Garbe,Anna Rutgersson,Jacqueline Boutin,Gerrit de Leeuw,Gerrit de Leeuw,Gerrit de Leeuw,Bruno Delille,Christopher W. Fairall,Nicolas Gruber,Jeffrey E. Hare,David T. Ho,Martin Johnson,Martin Johnson,Philip D. Nightingale,Heidi Pettersson,Jacek Piskozub,Erik Sahlée,Wu-ting Tsai,Brian Ward,David K. Woolf,Christopher J. Zappa +20 more
TL;DR: The transfer of gases and particles across the air-sea interface is controlled by several physical, biological and chemical processes in the atmosphere and water which are described here (including waves, large and small-scale turbulence, bubbles, sea spray, rain and surface films) as discussed by the authors.
Journal ArticleDOI
Particle velocimetry analysis of immiscible two-phase flow in micromodels
TL;DR: In this paper, the pore-scale velocity distributions are obtained for single-phase flow in porous media with a typical pore size of 5-40µm at a resolution of 1.8 μ m × 1. 8 μ m vector grid.
Journal ArticleDOI
Experiments on the water entry of asymmetric wedges using particle image velocimetry
TL;DR: In this article, an asymmetric wedge entering the water surface with an orthogonal velocity falling from a fixed height is characterized by particle image velocimetry (PIV), and the impact configuration significantly influences both the velocity and the pressure field, ultimately regulating the hydrodynamic loading on the wedge.
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.