Experimental study on the effective thermal conductivity of methane hydrate-bearing sand

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	Experimental study on the effective thermal conductivity of methane hydrate-bearing sand
	Li, Dongliang; Liang, Deqing1
刊名	international journal of heat and mass transfer
	2016
卷号	92
关键词	Methane hydrate Thermal conductivity Sand Sediment
英文摘要	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.
WOS标题词	science & technology ; physical sciences ; technology
类目[WOS]	thermodynamics ; engineering, mechanical ; mechanics
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记录号	WOS:000364884500002
内容类型	期刊论文
源URL	[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
推荐引用方式 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).