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Experimental Investigation on Yield Stress of Water-in-Heavy Crude Oil Emulsions in Order to Improve Pipeline Flow
Zhang J(张健); Xu JY(许晶禹); Gao, MC; Xu, JY (reprint author), Chinese Acad Sci, Inst Mech, LMFS, Beijing 100190, Peoples R China.
Source PublicationJOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
2014-04-03
Volume35Issue:4Pages:593-598
ISSN0193-2691
AbstractAn experimental study on yield stress of water-in-heavy crude oil emulsions has been carried out by using a HAAKE RS6000 Rheometer with a vane-type rotor. Several factors such as oil volume fraction, shear rate, temperature, and emulsifying agent on the yield stress of emulsions were investigated. Zero shear viscosity of heavy crude oil was 6000mPas at 30 degrees C, with a density 955kg/m(3). This study shows that the yield stress increases linearly with the increasing shear rate, and displays an exponential decay with increasing the temperature and oil volume fraction. Although the addition of emulsifying agent enhanced the stability of the emulsion, to some extent it also increased the yield stress, especially for the emulsions with high oil volume fractions. Therefore, to reduce the start-up force for the pipeline transport of water-in-heavy crude oil emulsions, the starting rate should be decreased, temperature increased, or oil volume fraction increased. These results are helpful to improve the transportation of water-in-heavy crude oil in pipeline.
KeywordPipeline Flow Water-in-heavy Crude Oil Emulsions Yield Stress
Subject AreaChemistry
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000334073200017
Funding OrganizationThe authors gratefully acknowledge that the work described here is financially supported by the Special Development of National Key Scientific Instruments in China (2011YQ120048-02) and the Outstanding Young Talent Incubation Program at Institute of Mechanics, Chinese Academy of Sciences.
DepartmentLMFS多相流及流固耦合(LHO)
ClassificationQ4
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48884
Collection流固耦合系统力学重点实验室
Corresponding AuthorXu, JY (reprint author), Chinese Acad Sci, Inst Mech, LMFS, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zhang J,Xu JY,Gao, MC,et al. Experimental Investigation on Yield Stress of Water-in-Heavy Crude Oil Emulsions in Order to Improve Pipeline Flow[J]. JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY,2014,35(4):593-598.
APA Zhang J,Xu JY,Gao, MC,&Xu, JY .(2014).Experimental Investigation on Yield Stress of Water-in-Heavy Crude Oil Emulsions in Order to Improve Pipeline Flow.JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY,35(4),593-598.
MLA Zhang J,et al."Experimental Investigation on Yield Stress of Water-in-Heavy Crude Oil Emulsions in Order to Improve Pipeline Flow".JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY 35.4(2014):593-598.
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