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Characteristics of air-water upward intermittent flows with surfactant additive in a pipeline-riser system
Gao MC(高梦忱); Xu JY(许晶禹)
发表期刊JOURNAL OF HYDRODYNAMICS
2018-04-01
卷号30期号:2页码:287-295
ISSN1001-6058
摘要The effect of the surfactant additive on the upward intermittent flows in a pipeline-riser system is studied experimentally, in a 3 m long horizontal pipe connected to a Perspex pipe of 2.0 m long and 25 mm in diameter, inclined to the horizontal plane by 7 degrees, followed by the vertical PVC riser of 3.5 m high and 25 mm in diameter, operating at the atmospheric end pressure. Based on the analysis of the pressure signal and the visual observation of the riser, it is shown that the additive of surfactant to the carrying liquid makes bubbles smaller in size but much larger in number in the upward intermittent flows. In addition, the additive of surfactant to a two-phase flow does not have a significant impact on the in-situ gas fraction, the pressure drop and the frequency of the liquid slug, but it reduces significantly the velocity of the liquid slug. When the superficial liquid velocity is set, an exponential relationship between the dimensionless velocity of the liquid slug and the Webber number can be obtained. These results might be used for estimating the characteristic parameters of the upward intermittent flow based upon the input operating conditions.
关键词Upward Intermittent Flow Pipeline-riser System Surfactant Additive
DOI10.1007/s42241-018-0034-5
收录类别SCI ; EI
语种英语
WOS记录号WOS:000431178200009
关键词[WOS]DRAG REDUCTION ; 2-PHASE FLOW ; HORIZONTAL PIPES ; LIQUID FLOW ; PRESSURE ; FRACTION ; OIL
WOS研究方向Mechanics
WOS类目Mechanics
项目资助者National Natural Science Foundation of China(51779243) ; Strategic Priority Research Program of the Chinese Academy of Science(XDB22030101)
论文分区Q3
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77469
专题流固耦合系统力学重点实验室
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Gao MC,Xu JY. Characteristics of air-water upward intermittent flows with surfactant additive in a pipeline-riser system[J]. JOURNAL OF HYDRODYNAMICS,2018,30(2):287-295.
APA 高梦忱,&许晶禹.(2018).Characteristics of air-water upward intermittent flows with surfactant additive in a pipeline-riser system.JOURNAL OF HYDRODYNAMICS,30(2),287-295.
MLA 高梦忱,et al."Characteristics of air-water upward intermittent flows with surfactant additive in a pipeline-riser system".JOURNAL OF HYDRODYNAMICS 30.2(2018):287-295.
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