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Experimental study on the effective thermal conductivity of methane hydrate-bearing sand
Li, Dongliang; Liang, Deqing1
2016
Source PublicationINTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Volume92
AbstractThe thermal conductivities of methane hydrate-bearing sand samples, formed from moist sand with different initial water saturation levels, were measured by Gustafsson's transient plane source (TPS) technique. The thermal conductivity values show weak negative dependence on temperature similar to a crystal-like material, which agrees well with most of the published results on sedimentary and pure methane hydrates. Similar dependence has also been observed in the wave speed studies. The effective thermal conductivity of hydrate-bearing sediment is strongly dependent on the morphology of the sediment. In partially water-saturated, gas-rich environments, the hydrates tend to cement sediment grains together, and even a small amount of hydrates presence can significantly increase the effective thermal conductivity of the sediments. In sand samples with high water concentrations and water-saturated sand, the effective thermal conductivity does not show an obvious increase with the hydrate saturation level. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordMethane Hydrate Thermal Conductivity Sand Sediment
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijheatmasstransfer.2015.08.077
WOS Subject ExtendedThermodynamics ; Engineering ; Mechanics
WOS KeywordGAS-HYDRATE ; HEAT-TRANSFER ; POROUS-MEDIA ; PHYSICAL-PROPERTIES ; CARBON-DIOXIDE ; SEDIMENTS ; DISSOCIATION ; STABILITY ; DEPRESSURIZATION ; VELOCITIES
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Engineering, Mechanical ; Mechanics
WOS IDWOS:000364884500002
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10905
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Nat Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Li, Dongliang,Liang, Deqing. Experimental study on the effective thermal conductivity of methane hydrate-bearing sand[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2016,92.
APA Li, Dongliang,&Liang, Deqing.(2016).Experimental study on the effective thermal conductivity of methane hydrate-bearing sand.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,92.
MLA Li, Dongliang,et al."Experimental study on the effective thermal conductivity of methane hydrate-bearing sand".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 92(2016).
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