IMECH-IR  > 流固耦合系统力学重点实验室
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)
Source PublicationJOURNAL OF HYDRODYNAMICS
2018-04-01
Volume30Issue:2Pages:287-295
ISSN1001-6058
AbstractThe 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.
KeywordUpward Intermittent Flow Pipeline-riser System Surfactant Additive
DOI10.1007/s42241-018-0034-5
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000431178200009
WOS KeywordDRAG REDUCTION ; 2-PHASE FLOW ; HORIZONTAL PIPES ; LIQUID FLOW ; PRESSURE ; FRACTION ; OIL
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationNational Natural Science Foundation of China(51779243) ; Strategic Priority Research Program of the Chinese Academy of Science(XDB22030101)
ClassificationQ3
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77469
Collection流固耦合系统力学重点实验室
Recommended Citation
GB/T 7714
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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