Results 171 to 180 of about 68,180 (253)

Behavior of layer jamming plate with tunable stiffness and its near wake structure in cross flow. [PDF]

Sci Rep
Yang X, Guo S, Wang H.
europepmc   +1 more source

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Performance comparison of particle tracking velocimetry (PTV) and particle image velocimetry (PIV) with long-exposure particle streaks

Measurement Science and Technology, 2020
Abstract Particle tracking velocimetry (PTV) and particle image velocimetry (PIV) are popular experimental methods to quantitatively measure flow fields. In many practical applications, hardware limitations result in longer exposure times, causing particle images to elongate into particle streak images.
Mumtaz Hussain Qureshi, Wei-Hsin Tien, Yi-Jiun Peter Lin   +2 more
openaire   +2 more sources

Fundamentals of multiframe particle image velocimetry (PIV)

Experiments in Fluids, 2007
A sophisticated strategy for the evaluation of time-resolved PIV image sequences is presented which takes the temporal variation of the particle image pattern into account. The primary aim of the method is to increase the accuracy and dynamic range by locally adopting the particle image displacement for each interrogation window to overcome the largest
R. Hain, C. J. Kähler
openaire   +2 more sources

Soil deformation measurement using particle image velocimetry (PIV) and photogrammetry

Géotechnique, 2003
A deformation measurement system based on particle image velocimetry (PIV) and close-range photogrammetry has been developed for use in geotechnical testing. In this paper, the theory underlying this system is described, and the performance is validated. Digital photography is used to capture images of planar soil deformation.
White, D.J., Take, W.A., Bolton, M.D.
openaire   +3 more sources

Application of particle image velocimetry (PIV) to vibrational finishing

Journal of Materials Processing Technology, 2016
Abstract Vibrational finishing processes are finding increased application in the finishing of high end components. Despite the growing popularity of vibrational finishing, and due to limited suitable process instrumentation, understanding of underlying physical processes remains largely anecdotal and empirical, and system-independent process control
E. Fleischhauer, F. Azimi, P. Tkacik, R. Keanini, B. Mullany   +4 more
openaire   +2 more sources

Universal outlier detection for particle image velocimetry (PIV) and particle tracking velocimetry (PTV) data

Measurement Science and Technology, 2010
A generalization of the universal outlier detection method of Westerweel and Scarano (2005 Universal outlier detection for PIV data Exp. Fluids 39 1096–100) has been made, allowing the use of the above algorithm on both gridded (PIV) and non-gridded (PTV) data.
Duncan, J., Dabiri, D., Hove, J., Gharib, M.   +3 more
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Particle image velocimetry (PIV) analysis of flame structure

Journal of Loss Prevention in the Process Industries, 2001
Abstract An experimental study of methane–air flame propagation in a duct is reported. A flat duct was chosen to allow optical visualization and flame propagation measurements. The duct was equipped with optical-quality windows to allow Schlieren visualization and particle image velocimetry (PIV) velocity measurements. The flame propagation velocity,
Teruhito Otsuka, Piotr Wolanski
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Velocity Field Measurement Using Particle Image Velocimetry (PIV)

2016
M. D. Atkins
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