IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
Thermally induced evolution of phase transformations in gas hydrate sediment
Zhang XH(张旭辉); Lu XB(鲁晓兵); Li QP; Yao HY; LU XB
Source PublicationScience China-Physics Mechanics & Astronomy
2010
Volume53Issue:8Pages:1530-1535
ISSN1674-7348
AbstractThermally induced evolution of phase transformations is a basic physical-chemical process in the dissociation of gas hydrate in sediment (GHS). Heat transfer leads to the weakening of the bed soil and the simultaneous establishment of a time varying stress field accompanied by seepage of fluids and deformation of the soil. As a consequence, ground failure could occur causing engineering damage or/and environmental disaster. This paper presents a simplified analysis of the thermal process by assuming that thermal conduction can be decoupled from the flow and deformation process. It is further assumed that phase transformations take place instantaneously. Analytical and numerical results are given for several examples of simplified geometry. Experiments using Tetra-hydro-furan hydrate sediments were carried out in our laboratory to check the theory. By comparison, the theoretical, numerical and experimental results on the evolution of dissociation fronts and temperature in the sediment are found to be in good agreement.
DOI10.1007/s11433-010-4060-8
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Indexed BySCI
Language英语
WOS IDWOS:000280477200021
WOS KeywordCLATHRATE ; DISSOCIATION ; SENSITIVITY
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationNational High Technology Research and Development Program of China [2006AA09A209-7] ; Major Oil and Gas Program of China [2008ZX05026-04-011] ; Chinese Academy of Sciences [KJCX2-YW-L02] ; National Natural Science Foundation of China [1077218]
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43603
Collection水动力学与海洋工程重点实验室(2009-2011)
Corresponding AuthorLU XB
Recommended Citation
GB/T 7714
Zhang XH,Lu XB,Li QP,et al. Thermally induced evolution of phase transformations in gas hydrate sediment[J]. Science China-Physics Mechanics & Astronomy,2010,53(8):1530-1535.
APA 张旭辉,鲁晓兵,Li QP,Yao HY,&LU XB.(2010).Thermally induced evolution of phase transformations in gas hydrate sediment.Science China-Physics Mechanics & Astronomy,53(8),1530-1535.
MLA 张旭辉,et al."Thermally induced evolution of phase transformations in gas hydrate sediment".Science China-Physics Mechanics & Astronomy 53.8(2010):1530-1535.
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