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Thermal conductivity enhancement of clathrate hydrate with nanoparticles
Li Dongliang; Peng Hao; Liang Deqing1
2017
Source PublicationINTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Volume104Pages:566-573
AbstractThe thermal conductivity of a system of tetrahydrofuran clathrate hydrate-nanoparticles (carbon nanotubes and copper nanoparticles) was measured under different temperatures (258.15-270.15 K), different nanoparticle mass fractions (0.1-10 wt%), with and without dispersant (sodium dodecyl sulfate), and different nanoparticle dimensions (25 nm and 50 nm copper nanoparticles). The results indicated that thermal conductivity of the system increases with the increasing mass fractions of nanoparticles. At certain mass fractions, the effect of the thermal conductivity enhancement using carbon nanotubes was more significant than that using copper nanoparticles. The hydrate containing nanoparticles is also a glass-like material. At a certain nanoparticle mass fraction, the rate of the thermal conductivity enhancement increased with increasing temperature. The thermal conductivity of the system without dispersant was lower than that with dispersant, and it increased with decreasing nanoparticle dimension. A model for predicting the thermal conductivity of the hydrate-nanoparticle system was proposed, and it was well fitted with the experimental data. The loading of nanofluids could enhance the heat transformation and promote the formation of the gas hydrate. Furthermore, among the considered factors of influence, microinteraction was considered a main factor. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordThermal Conductivity Enhancement Hydrate Nanoparticles Micro-interaction
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijheatmasstransfer.2016.08.081
WOS Subject ExtendedThermodynamics ; Engineering ; Mechanics
WOS KeywordMETHANE HYDRATE ; MOLECULAR-DYNAMICS ; CARBON NANOTUBES ; COLD-STORAGE ; TETRAHYDROFURAN ; THF ; MIXTURE ; HEAT ; EQUILIBRIUM ; SIMULATIONS
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(41276043 ; National Marine Geological Program of China(GHZ2012006003) ; 863 Program(2012AA061403-03) ; 51474197)
WOS SubjectThermodynamics ; Engineering, Mechanical ; Mechanics
WOS IDWOS:000387627400049
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/13976
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Nat Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Li Dongliang,Peng Hao,Liang Deqing. Thermal conductivity enhancement of clathrate hydrate with nanoparticles[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2017,104:566-573.
APA Li Dongliang,Peng Hao,&Liang Deqing.(2017).Thermal conductivity enhancement of clathrate hydrate with nanoparticles.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,104,566-573.
MLA Li Dongliang,et al."Thermal conductivity enhancement of clathrate hydrate with nanoparticles".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 104(2017):566-573.
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