首页|Identification of flow parameters in thin-film apparatus using a multi-channel image analysis system
Identification of flow parameters in thin-film apparatus using a multi-channel image analysis system
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NSTL
Elsevier
? 2022 Elsevier LtdThis paper presents the capabilities of an optoelectronic system to measure values describing the hydrodynamics of a two-phase downward flow in vertical pipes of a highly viscous liquid and gas. Common image processing methods used in the literature are unsuitable for the analysis of two-phase flow with particularly complex flow patterns. The designed and constructed measuring system and the appropriate selection of working media allowed measurements of a number of quantities characteristic for the gas–liquid flow falling in vertical pipes. The methodology of conducting measurements and their results as well as the analyses of selected quantities characterizing the two-phase flow are presented. The nature and form of the occurring waves are characterized. Experimental data are more accurate than those obtained with methods described in the literature. A camera placed in the flow channel limits the measurement to vertical downward flow only.
NSTL
Elsevier
