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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Journal of Flow Visualization and Image Processing
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.5

ISSN Печать: 1065-3090
ISSN Онлайн: 1940-4336

Выпуски:
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Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v2.i2.80
pages 195-208

TURBULENT CONCENTRATION DETERMINATION IN GAS FLOW USING MULTIPLE CCD CAMERAS

Michel Ayrault
LMFA, UMR CNRS 5509 Ecole Centrale de Lyon 69131 Ecully Cedex, France
Serge Simoens
Laboratoire de Mécanique des Fluides et d'Acoustique, URA 263 CNRS-ECL, BP 163-69131 Ecully Cedex, France

Краткое описание

Light-scattering property of small particles has been used to measure concentration of both neutral and dense gas in turbulent continuous releases. The scattered light was acquired using two CCD cameras. We expose the complete physical framework of this technique, the link between the two camera responses and the different corrections induced for concentration measurements. Then, we present an application of this technique concerning an experimental study of the effects of obstacles on the dispersion of continuous dense gas releases. We report here mean concentration and RMS concentration fluctuations in a two-dimensional plane.


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