Pipe flow pattern downstream of local restrictions studied by an optical method

Молочников, В. М.; Kratirov, D. V.; Mikheev, А. N.

doi:10.1088/1742-6596/899/6/062005

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Experimental Design Materials and Methods1

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2022

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“…Video recording was performed by a monochrome high-speed camera with the frequency of 4000 fps, which is an optimal frequency for subsequent analysis and processing of images at the maximum frame resolution of 1280 × 100 pix. Smoke visualization images were processed using SIV method [1] , [2] , [3] , [4] , [5] , [6] , which provides estimation of the dynamics of velocity vector fields and vorticity fields based on frame-by-frame processing of high-speed video recordings. Vector fields of velocity in this method are estimated from the measured frame-to-frame displacements of turbulent structures visualized by smoke in the light sheet.…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%