GIEC OpenIR  > 中国科学院广州能源研究所
SMOOTHED PARTICLE HYDRODYNAMICS SIMULATION OF EFFECTIVE THERMAL CONDUCTIVITY IN POROUS MEDIA OF VARIOUS PORE STRUCTURES
Jiang, Fangming1; Sousa, Antonio C. M.2,3
2010
Source PublicationJOURNAL OF POROUS MEDIA
ISSN1091-028X
Volume13Issue:11Pages:951-960
Contribution Rank[Jiang, Fangming] Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China; [Sousa, Antonio C. M.] Univ Aveiro, Dept Engn Mecan, P-3810193 Aveiro, Portugal; [Sousa, Antonio C. M.] Univ New Brunswick, Dept Mech Engn, Fredericton, NB E3B 5A3, Canada
Corresponding Authorfm_jiang2000@yahoo.com
Cooperation Status国际
AbstractHeat conduction through a 2-D porous medium layer with complicated cylindrical or quadrangular pore structures is simulated using the smoothed particle hydrodynamics technique. Heat transfer paths are visualized at the micropore level, and the dependence of the effective thermal conductivity on the micropore structure is analyzed. As expected, heat always follows the path of least resistance through the porous structures. Globally, enhanced heat transfer paths tend to form in the porous medium having the smallest circular inclusions. The dependence of the effective thermal conductivity on the micro pore structure is found to be closely related to the formation of enhanced heat transfer paths. For the porous medium with dispersed pore phase, the inclusion shape and size and the relative arrangement between inclusions do not have any particular effect on the relation between the effective thermal conductivity and the porosity. This finding is also well predicted by the effective medium theoretical (EMT) model with a flexible factor within the range 4.0-4.5. Owing to the significant effect of the pore-phase distribution, for the porous medium with continuous pore phase, the relation between the effective thermal conductivity and porosity can be predicted using the EMT model only if the flexible factor is taken for a value of 3.5.
SubtypeArticle
Other AbstractHeat conduction through a 2-D porous medium layer with complicated cylindrical or quadrangular pore structures is simulated using the smoothed particle hydrodynamics technique. Heat transfer paths are visualized at the micropore level, and the dependence of the effective thermal conductivity on the micropore structure is analyzed. As expected, heat always follows the path of least resistance through the porous structures. Globally, enhanced heat transfer paths tend to form in the porous medium having the smallest circular inclusions. The dependence of the effective thermal conductivity on the micro pore structure is found to be closely related to the formation of enhanced heat transfer paths. For the porous medium with dispersed pore phase, the inclusion shape and size and the relative arrangement between inclusions do not have any particular effect on the relation between the effective thermal conductivity and the porosity. This finding is also well predicted by the effective medium theoretical (EMT) model with a flexible factor within the range 4.0-4.5. Owing to the significant effect of the pore-phase distribution, for the porous medium with continuous pore phase, the relation between the effective thermal conductivity and porosity can be predicted using the EMT model only if the flexible factor is taken for a value of 3.5.
KeywordSph Porous Media Effective Thermal Conductivity Numerical Methods
Subject AreaThermodynamics ; Engineering ; Mechanics
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS Subject ExtendedThermodynamics ; Engineering ; Mechanics
URL查看原文
Indexed BySCI
Language英语
Funding OrganizationFoundation for Science and Technology, Portugal [POCTI/EME/59728/2004]; Natural Sciences and Engineering Research Council of Canada [12875]; [SFRH/BPD/20273/2004]
WOS SubjectThermodynamics ; Engineering, Mechanical ; Mechanics
WOS IDWOS:000285561200001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/8520
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Aveiro, Dept Engn Mecan, P-3810193 Aveiro, Portugal
3.Univ New Brunswick, Dept Mech Engn, Fredericton, NB E3B 5A3, Canada
Recommended Citation
GB/T 7714
Jiang, Fangming,Sousa, Antonio C. M.. SMOOTHED PARTICLE HYDRODYNAMICS SIMULATION OF EFFECTIVE THERMAL CONDUCTIVITY IN POROUS MEDIA OF VARIOUS PORE STRUCTURES[J]. JOURNAL OF POROUS MEDIA,2010,13(11):951-960.
APA Jiang, Fangming,&Sousa, Antonio C. M..(2010).SMOOTHED PARTICLE HYDRODYNAMICS SIMULATION OF EFFECTIVE THERMAL CONDUCTIVITY IN POROUS MEDIA OF VARIOUS PORE STRUCTURES.JOURNAL OF POROUS MEDIA,13(11),951-960.
MLA Jiang, Fangming,et al."SMOOTHED PARTICLE HYDRODYNAMICS SIMULATION OF EFFECTIVE THERMAL CONDUCTIVITY IN POROUS MEDIA OF VARIOUS PORE STRUCTURES".JOURNAL OF POROUS MEDIA 13.11(2010):951-960.
Files in This Item: Download All
File Name/Size DocType Version Access License
SMOOTHED PARTICLE HY(1064KB) 开放获取CC BY-NC-SAView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Jiang, Fangming]'s Articles
[Sousa, Antonio C. M.]'s Articles
Baidu academic
Similar articles in Baidu academic
[Jiang, Fangming]'s Articles
[Sousa, Antonio C. M.]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Jiang, Fangming]'s Articles
[Sousa, Antonio C. M.]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: SMOOTHED PARTICLE HYDRODYNAMICS SIMULATION OF EFFECTIVE THERMAL CONDUCTIVITY IN POROUS MEDIA OF VARIOUS PORE STRUCTURES.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.