An investigation of the stratified-slug flow transition in horizontal gas-liquid flow in large-diameter pipes
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Copyright 1991, Offshore Technology Conference. The transition from stratified to slug flow in gas-liquid horizontal flow was studied in 6.35 cm and 18.4 cm ID pipes for a wide range of air and water flow rates by video-recording the flow field and by ultrasonic measurement of the location of the air-water interface. The ultrasonic imaging techniques provided an accurate means of monitoring the liquid depth and wave characteristics in stratified flows. The experimental results were checked with theoretical models of flow regime transitions, which showed that the Taitel-Dukler model1 of the stratified to intermittent flow transition gave a reasonable prediction, particularly in the small pipe. In the large pipe, stratified flow occurred for all conditions tested.
author list (cited authors)
Song, S., Hill, A. D., Morriss, S. L., & Podio, A. L.