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Thermal conductivities of methane-methylcyclohexane and tetrabutylammonium bromide clathrate hydrate
Li, Dongliang; Liang, Deqing; Peng, Hao; Wan, Lihua
2016-02-01
发表期刊JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
卷号123期号:2页码:1391-1397
摘要Thermal conductivities of structure H (sH) methane-methylcyclohexane hydrate and type A tetrabutylammonium bromide (TBAB) clathrate hydrate were measured using a single-sided transient plane source technique. The thermal conductivity of sH hydrate exhibited a positive trend with temperature and the average thermal conductivity was found to be 0.44 W m(-1) K-1 at a compaction pressure of 12 MPa. The thermal conductivity of sH hydrate was lower than those of structure I and structure II hydrates at the same temperature and was found to depend not only on guest-host interactions but also on the rigidity of the framework. Unlike sH hydrates, the thermal conductivity of type A TBAB hydrates exhibited a negative trend with temperature. One possible reason for this strange phenomenon could be that the TBAB hydrate has a semi-clathrate structure, which retains the crystal heat transmission characteristics. The structures of the hydrates studied were different from those of normal gas hydrates. In addition, the thermal conductivity values for TBAB hydrates were also affected by interactions between the cations and anions.
文章类型Article
关键词Thermal Conductivity Hydrate Structure Methylcyclohexane Tetrabutylammonium Bromide
WOS标题词Science & Technology ; Physical Sciences
DOI10.1007/s10973-015-5065-3
研究领域[WOS]Thermodynamics ; Chemistry
关键词[WOS]MOLECULAR-DYNAMICS SIMULATIONS ; HYDROGEN STORAGE ; HEAT-CAPACITY ; TBAB ; DISSOCIATION ; POLYMORPHS ; SEPARATION ; PRESSURE ; MIXTURE ; GUEST
收录类别SCI
语种英语
WOS类目Thermodynamics ; Chemistry, Analytical ; Chemistry, Physical
WOS记录号WOS:000368199500050
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10947
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
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Li, Dongliang,Liang, Deqing,Peng, Hao,et al. Thermal conductivities of methane-methylcyclohexane and tetrabutylammonium bromide clathrate hydrate[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2016,123(2):1391-1397.
APA Li, Dongliang,Liang, Deqing,Peng, Hao,&Wan, Lihua.(2016).Thermal conductivities of methane-methylcyclohexane and tetrabutylammonium bromide clathrate hydrate.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,123(2),1391-1397.
MLA Li, Dongliang,et al."Thermal conductivities of methane-methylcyclohexane and tetrabutylammonium bromide clathrate hydrate".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 123.2(2016):1391-1397.
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