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Experimental study on flow characteristics of tetrahydrofuran hydrate slurry in pipelines
Wang, Wuchang1; Fan, Shuanshi2; Liang, Deqing3; Li, Yuxing1
2010-05-01
Source PublicationJOURNAL OF NATURAL GAS CHEMISTRY
ISSN1003-9953
Volume19Issue:3Pages:318-322
Contribution Rank[Wang, Wuchang; Li, Yuxing] China Univ Petr, Dept Storage & Transportat Engn, Qingdao 266555, Shandong, Peoples R China; [Fan, Shuanshi] S China Univ Technol, Key Lab Enhanced Heat Transfer & Energy Conservat, MOE, Guangzhou 510640, Guangdong, Peoples R China; [Liang, Deqing] Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Corresponding Authorwangwuchangupc@126.com
AbstractTetrahydrofuran (THF) was selected as the substitute to study the flow behaviors and the mechanism of the hydrates blockage in pipelines. The slurrylike hydrates and slushlike hydrates are observed with the formation of hydrates in pipeline. There is a critical hydrate volume concentration of 50.6% for THF slurries and pipeline will be free of hydrate blockage while the hydrate volume concentration is lower than the critical volume concentration; otherwise, pipeline will be easy to be blocked. Fully turbulent flow occurs and friction factors tend to be constant when the velocity reaches 1.5 m/s. And then, constant values of friction factors that depend on the volume concentrations in the slurry were regressed to estimate the pressure drops of THF hydrate slurry at large mean velocity. Finally, a safe region, defined according to the critical hydrate volume concentration, was proposed for THF hydrate slurry, which may provide some insight for further studying the natural gas hydrate slurries and judge whether the pipeline can be run safely or not.
SubtypeArticle
Other AbstractTetrahydrofuran (THF) was selected as the substitute to study the flow behaviors and the mechanism of the hydrates blockage in pipelines. The slurrylike hydrates and slushlike hydrates are observed with the formation of hydrates in pipeline. There is a critical hydrate volume concentration of 50.6% for THF slurries and pipeline will be free of hydrate blockage while the hydrate volume concentration is lower than the critical volume concentration; otherwise, pipeline will be easy to be blocked. Fully turbulent flow occurs and friction factors tend to be constant when the velocity reaches 1.5 m/s. And then, constant values of friction factors that depend on the volume concentrations in the slurry were regressed to estimate the pressure drops of THF hydrate slurry at large mean velocity. Finally, a safe region, defined according to the critical hydrate volume concentration, was proposed for THF hydrate slurry, which may provide some insight for further studying the natural gas hydrate slurries and judge whether the pipeline can be run safely or not.
KeywordHydrate Slurry Tetrahydrofuran Flow Character Flow Assurance
Subject AreaChemistry ; Energy & Fuels ; Engineering
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/S1003-9953(09)60072-4
WOS Subject ExtendedChemistry ; Energy & Fuels ; Engineering
URL查看原文
WOS KeywordCRYSTALLIZATION ; WATER
Indexed BySCI
Language英语
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Energy & Fuels ; Engineering, Chemical
WOS IDWOS:000278975700019
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/8503
Collection中国科学院广州能源研究所
天然气水合物基础研究实验室
Affiliation1.China Univ Petr, Dept Storage & Transportat Engn, Qingdao 266555, Shandong, Peoples R China
2.S China Univ Technol, Key Lab Enhanced Heat Transfer & Energy Conservat, MOE, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Wang, Wuchang,Fan, Shuanshi,Liang, Deqing,et al. Experimental study on flow characteristics of tetrahydrofuran hydrate slurry in pipelines[J]. JOURNAL OF NATURAL GAS CHEMISTRY,2010,19(3):318-322.
APA Wang, Wuchang,Fan, Shuanshi,Liang, Deqing,&Li, Yuxing.(2010).Experimental study on flow characteristics of tetrahydrofuran hydrate slurry in pipelines.JOURNAL OF NATURAL GAS CHEMISTRY,19(3),318-322.
MLA Wang, Wuchang,et al."Experimental study on flow characteristics of tetrahydrofuran hydrate slurry in pipelines".JOURNAL OF NATURAL GAS CHEMISTRY 19.3(2010):318-322.
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