GSTDTAP  > 资源环境科学
DOI10.1002/2017WR021302
Fluid Topology in Pore Scale Two-Phase Flow Imaged by Synchrotron X-ray Microtomography
Khanamiri, Hamid Hosseinzade; Torsaeter, Ole
2018-03-01
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2018
卷号54期号:3页码:1905-1917
文章类型Article
语种英语
国家Norway
英文摘要

A flow experiment including drainage and imbibition by water and surfactant was performed on a water-wet Berea sandstone. The three-dimensional (3-D) pore scale changes of the fluid configuration were captured under flow using synchrotron X-ray computed microtomography. Euler characteristic of ganglia and connected pathway was calculated to study topology of these entities. In addition, Betti numbers and volumes of the ganglia and connected pathway were calculated to study their contribution in the flow. Results showed that Euler characteristic of the ganglia and the whole phase (ganglia plus connected pathway) versus saturation exhibited hysteresis in imbibition and drainage. However, the Euler characteristic of the connected pathway versus saturation had insignificant hysteresis in imbibition and drainage. Results of the Betti numbers and volume changes in nonwetting ganglia and connected pathway showed that the ganglia contributed to the flow by creating internal redundant connections, volume exchange with the connected pathway and saturation change. Further, the number of redundant connections in nonwetting connected pathway increased in drainage and decreased in imbibition, smoothly in both cases, with insignificant sensitivity to the changes in rate and interfacial tension.


英文关键词two-phase flow in porous media fluid topology X-ray microtomography synchrotron
领域资源环境
收录类别SCI-E
WOS记录号WOS:000430364900028
WOS关键词ENHANCED OIL-RECOVERY ; POROUS-MEDIA ; RELATIVE PERMEABILITY ; SELECTION METHOD ; MULTIPHASE FLOW ; DISPLACEMENT ; HYSTERESIS ; CALCIUM ; REGIMES
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/19996
专题资源环境科学
作者单位Norwegian Univ Sci & Technol, PoreLab Res Ctr, Dept Geosci & Petr, Trondheim, Norway
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GB/T 7714
Khanamiri, Hamid Hosseinzade,Torsaeter, Ole. Fluid Topology in Pore Scale Two-Phase Flow Imaged by Synchrotron X-ray Microtomography[J]. WATER RESOURCES RESEARCH,2018,54(3):1905-1917.
APA Khanamiri, Hamid Hosseinzade,&Torsaeter, Ole.(2018).Fluid Topology in Pore Scale Two-Phase Flow Imaged by Synchrotron X-ray Microtomography.WATER RESOURCES RESEARCH,54(3),1905-1917.
MLA Khanamiri, Hamid Hosseinzade,et al."Fluid Topology in Pore Scale Two-Phase Flow Imaged by Synchrotron X-ray Microtomography".WATER RESOURCES RESEARCH 54.3(2018):1905-1917.
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