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Russia Izhevsk
Year
2015
Volume
25
Issue
4
Pages
554-567
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Section Mechanics
Title Optical measurement of a fluid velocity field around a falling plate
Author(-s) Vetchanin E.V.ab, Klenov A.I.a
Affiliations Izhevsk State Technical Universitya, Udmurt State Universityb
Abstract The paper is devoted to the experimental verification of the Andersen-Pesavento-Wang model describing the falling of a heavy plate through a resisting medium. As a main research method the authors have used video filming of a falling plate with PIV measurement of the velocity of surrounding fluid flows. The trajectories of plates and streamlines were determined and oscillation frequencies were estimated using experimental results. A number of experiments for plates of various densities and sizes were performed. The trajectories of plates made of plastic are qualitatively similar to the trajectories predicted by the Andersen-Pesavento-Wang model. However, measured and computed frequencies of oscillations differ significantly. For a plate made of high carbon steel the results of experiments are quantitatively and qualitatively in disagreement with computational results.
Keywords PIV - Particle Image Velocimetry, Maxwell problem, model of Andersen-Pesavento-Wang
UDC 531.37, 532.582.2
MSC 76-05
DOI 10.20537/vm150412
Received 5 November 2015
Language Russian
Citation Vetchanin E.V., Klenov A.I. Optical measurement of a fluid velocity field around a falling plate, Vestnik Udmurtskogo Universiteta. Matematika. Mekhanika. Komp'yuternye Nauki, 2015, vol. 25, issue 4, pp. 554-567.
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