Journal
FLOW MEASUREMENT AND INSTRUMENTATION
Volume 90, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.flowmeasinst.2023.102324
Keywords
Two-phase flow; Stratified flow; Cross-section; Velocity distribution; Stereoscopic particle image velocimetry
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This study uses particle image velocimetry to investigate the liquid velocity distribution rule in the circular pipe cross-section, aiming to gain a better understanding of all parameters. The findings show that these distribution laws are caused by the influence of the interphase force of the gas-liquid interface and the resistance of the pipe wall.
Horizontal gas-liquid flows are commonly encountered in the production section of the oil and gas industry. To further understand all parameters of the pipe cross-section, this paper use particle image velocimetry to study the circular pipe cross-section liquid velocity distribution rule. Firstly the focus is on the software and hardware combination of image correction system, to solve the influence of different refractive indexes of medium and pipeline curvature caused by image distortion. Secondly, the velocity distribution law of the corrected stratified flow (the range of liquid flow of 0.09-0.18 m3/h, and gas flow range of 0.3-0.7 m3/h) cross-section at different flow points of the pipeline cross-section at x=0 and in the Y direction at the maximum liquid velocity is studied. It is found that these distribution laws are caused by the influence of the interphase force of the gas-liquid interface and the resistance of the pipe wall. The current measurements also produce a valuable data set that can be used to further improve the stratified flow model for gas-liquid flow.
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