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|Type:||Artigo de evento|
|Title:||Application Of The Ultrasonic Technique For Monitoring Intermittent Liquid-gas And Liquid-solid Flows|
|Abstract:||Acoustic data are presented for horizontal intermittent slug flows of air-water mixtures and vertical flows of sand-water suspensions. For the suspensions, glass beads were used to simulate the solid content. The ultrasonic apparatus consisted of one pulse-echo transducer and three receivers. For the intermittent flows, the ultrasonic apparatus was used together with simultaneous high-speed filming. Data were then obtained for the acoustic attenuation and transit time. Variations in these parameters as a function of solid concentration were compared with data in the literature. For the intermittent flows, the bubble / liquid slug transitions were detected using the ultrasonic data. It was then possible to calculate parameters related to the flow structure. © BHR Group 2010.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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