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Continuous scanning, laser imaging velocimetry
Journal of Visualization, 2006Careful exploitation of the anisotropy native to late time stratified and rotating flows permits the use of a laser scanning measurement technique to simultaneously resolve the 2D velocity field in O(100) slices. The technique relies on getting the Reynolds number from the length scale while keeping the velocity small, this provides a characteristic ...
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Particle-Image Velocimetry and the Assignment Problem
2017The Particle-Image Velocimetry (PIV) is a standard optical contactless measurement technique to determine the velocity field of a fluid flow for example around an obstacle such as an airplane wing. Tiny density neutral and light-reflecting particles are added to the otherwise invisible fluid flow.
Franz-Friedrich Butz +3 more
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2001
Particle Image Velocimetry (PIV) belongs to the class of optical “whole- field” measuring techniques. The name of the method is self-explaining: The velocity distribution in a whole field of a fluid flow is determined by measuring the displacements Δs that the images of tracer particles experience during a time interval Δt.
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Particle Image Velocimetry (PIV) belongs to the class of optical “whole- field” measuring techniques. The name of the method is self-explaining: The velocity distribution in a whole field of a fluid flow is determined by measuring the displacements Δs that the images of tracer particles experience during a time interval Δt.
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Vehicle Dynamics International
Making the right choice of high-speed camera is essential for effective and efficient Particle Image Velocimetry (PIV) analysis of airflow. Photron discusses how to make the right selection
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Making the right choice of high-speed camera is essential for effective and efficient Particle Image Velocimetry (PIV) analysis of airflow. Photron discusses how to make the right selection
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Photogrammetric Particle Image Velocimetry
2004The Particle-Image Velocimetry (PIV) is a meanwhile quite mature measuring method in its application on a 2-dimensional (2D) measuring plane for the collection of 2 or 3 velocity-components (2C resp. 3C) within this plane (planar PIV). A disadvantage is the limitation to a plane of 1...5 mm thickness.
A. Schimpf, S. Kallweit
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Particle Image Velocimetry by Feature Tracking
2001Particle Image Velocimetry (PIV) is a popular approach to flow visualisation in hydro- and aerodynamic studies and applications. The fluid is seeded with particles that follow the flow and make it visible. Traditionally, correlation techniques have been used to estimate the displacements of the particles in a digital PIV sequence.
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Rainbow Particle Imaging Velocimetry
2017We introduce a new approach for snapshot imaging of time-resolved, non-stationary 3D fluid flows. Based on Particle Imaging Velocimetry (PIV), a well-established technique for fluid flow analysis, we propose a novel approach for spectral encoding of the third dimension.
Lamothe, Élodie +2 more
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