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Experimental study on the effective thermal conductivity of methane hydrate-bearing sand
Li, Dongliang; Liang, Deqing1
2016
发表期刊INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
卷号92
摘要The 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.
文章类型Article
关键词Methane Hydrate Thermal Conductivity Sand Sediment
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijheatmasstransfer.2015.08.077
研究领域[WOS]Thermodynamics ; Engineering ; Mechanics
关键词[WOS]GAS-HYDRATE ; HEAT-TRANSFER ; POROUS-MEDIA ; PHYSICAL-PROPERTIES ; CARBON-DIOXIDE ; SEDIMENTS ; DISSOCIATION ; STABILITY ; DEPRESSURIZATION ; VELOCITIES
收录类别SCI
语种英语
WOS类目Thermodynamics ; Engineering, Mechanical ; Mechanics
WOS记录号WOS:000364884500002
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10905
专题中国科学院广州能源研究所
作者单位1.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
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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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