Statistic characteristics of the gas-liquid flow in a vertical minichannel |
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Authors: | I. A. Kozulin and V. V. Kuznetsov |
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Affiliation: | (1) Department of Mechanical and Industrial Engineering, Concordia University, Montreal, QC, Canada, H3G 1M8; |
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Abstract: | The gas-liquid upward flow was studied in a rectangular minichannel of 1.75×3.8 mm and length of 0.7 m. The experiments were carried out within the range of the gas superficial velocity from 0.1 to 10 m/s and the liquid superficial velocity from 0.07 to 0.7 m/s for the co-current H2O/CO2 flow under the conditions of saturation. The method for the two-beam laser scanning of structure and determination of statistic characteristics of the two-phase flow was worked through. The slug-bubble, slug, transitional, churn, and annular flows were distinguished. The statistics characteristics of liquid and gas phases motion in a minichannel were obtained for the first time including the velocities of phase motion. |
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