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Theory of cross-correlation analysis of PIV images : Image analysis as measuring technique in flows

R. D. Keane, +1 more
TL;DR: In this article, cross-correlation methods of interrogation of successive single-exposure frames can be used to measure the separation of pairs of particle images between successive frames, which can be optimized in terms of spatial resolution, detection rate, accuracy and reliability.
Book ChapterDOI

Elements of Gas Dynamics

Raymond Brun
Journal ArticleDOI

Digital particle image thermometry/velocimetry: a review

TL;DR: Digital particle image thermometry/velocimetry (DPIT/V) is a relatively new methodology that allows for measurements of simultaneous temperature and velocity within a two-dimensional domain this article.
Journal ArticleDOI

Statistical properties of turbulence: An overview

TL;DR: In this article, the authors present an introductory overview of several challenging problems in the statistical characterization of turbulence and provide examples from fluid turbulence in three and two dimensions, from the turbulent advection of passive scalars, turbulence in the one-dimensional Burgers equation, and fluid turbulent in the presence of polymer additives.
References
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Journal ArticleDOI

Effect of predictor–corrector filtering on the stability and spatial resolution of iterative PIV interrogation

TL;DR: The stability and resolution of iterative PIV image analysis methods is investigated and a family of convolution filters is proposed, which affects the system stability and to a smaller extent its spatial response.
Journal ArticleDOI

Molecular Tagging Velocimetry (MTV ) measurements in gas phase flows

TL;DR: In this article, the authors used the phosphorescence of biacetyl to identify the velocity and vorticity fields of the intake flow of a gas-phase engine in a steady flow rig.
Journal ArticleDOI

Quantitative flow visualization in unseeded flows

TL;DR: In this paper, the authors used a short pulse laser for illumination to sample individual small volume elements within a flow, which can be easily extended to sample lines and cross-sectional planes.
Journal ArticleDOI

Velocity visualization in gas flows using laser-induced phosphorescence of biacetyl

TL;DR: In this article, a pulsed dye laser is used to excite seeded biacetyl molecules along a line in a nitrogen flow at room temperature, and two successive exposures of the emitted phosphorescence are recorded with an intensified 100×100 element photodiode array camera.