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《CIESC Journal》 2015-11
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Thermal conduction characteristic of nano-granule porous material using lattice-Boltzmann method

KAN Ankang;KANG Liyun;CAO Dan;WANG Chong;Merchant Marine College, Shanghai Maritime University;  
To study the thermal property of silica aerogel, a method is proposed for constructing three-dimensional mesoscopic physical model of nanoparticle porous materials, based on the random statistical theory. The spatial distribution of particles, particle size and porosity can be adjusted according to actual microscopic information of the porous material. D3Q15 LBM model is employed to perform numerical simulation and analysis in mesoscopic scale. And the influence of particle diameter, porosity and other factors on thermal conductivity of porous media is analyzed. That is, the thermal conductivity will decrease with the increase of particle size for constant porosity; the thermal conductivity falls and then rises as the porosity increases for constant particle size; the uniformity of particle size plays an important role on the thermal property. The simulation results are nearly the same with the experimental ones. The research will be an excellent reference for optimization of thermal performance and prediction of effective thermal conductivity for aerogels.
【Fund】: 上海市自然科学基金项目(15ZR1419900)~~
【CateGory Index】: O357.3
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 HAN Ya-fen;XIA Xin-lin;LIU Hai-dong;TAN He-ping;School of Energy Science and Engineering,Harbin Institute of Technology;;Characteristic of heat conduction in nano-insulation material[J];Journal of Functional Materials;2014-03
2 KAN Ankang;ZHANG Tingting;CAO Dan;Merchant Marine College,Shanghai Maritime University;;Vacuum thermal conduction characteristic of nano-granule porous medium using fractal theory[J];CIESC Journal;2013-11
3 MA Qiang;CHEN Jun;CHEN Zhenqian;School of Energy and Environment,Southeast University;International Institute for Urban Systems Engineering,Southeast University;Architects & Engineers Co.,Ltd.of Southeast University;;Lattice Boltzmann simulation for heat and mass transfer in fractal porous media[J];CIESC Journal;2014-S1
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Li Renmin Liu Songyu Fang Lei Du Yanjun(Institute of Geotechnical Engineering,Southeast University,Nanjing 210096,China);Tortuosity analysis of porous media based on micro-scale PNP multi-ions transport model[J];Journal of Southeast University(Natural Science Edition);2011-03
2 XIE Tao;HE Ya-Ling;WU Ming;HE Chao;Key Laboratory of Thermo-Fluid Science and Engineering of MOE,School of Energy & Power Engineering,Xi'an Jiaotong University;;Study on Theoretical Model for the Effective Thermal Conductivity of Silica Aerogel Composite Insulating Materials[J];Journal of Engineering Thermophysics;2014-02
3 ZHOU Fu-chuan;WANG Xiao-wei;Chongqing Jiaotong University;;Research on Displacement of Soil Anchor for Landslide Treatment[J];Highway;2014-04
4 WANG Ju-lin;WANG Jun;School of Material Science and Engineering,Wuhan University of Technology;;STUDY OF MECHANICAL PROPERTIES AND HEAT RESISTANCE OF EPOXY RESIN MODIFIED BISMALEIMIDE COMPOSITES[J];Fiber Reinforced Plastics/Composites;2014-05
5 WU Xiaodong;CUI Sheng;WANG Ling;SHAO Gaofeng;JIAO Jian;SHEN Xiaodong;State Key Laboratory of Materials-Oriented Chemical Engineering,College of Materials Science and Engineering,Nanjing Tech University;Advanced Materials Institute of Nanjing Tech University in Suqian;Avic Composite Corporation Ltd.,National Key Laboratory of Advanced Composite;;Advance in Research of High Temperature Resistant Aerogel Used as Insulation Material[J];Materials Review;2015-09
6 HE Yan;QIU Jinyou;CHANG Qiang;WANG Yupeng;School of Mechanic & Electronic Engineering,Qingdao University of Science and Technology;;Numerical calculation of the effective thermal conductivity of aluminum nitrate/rubber composite[J];Journal of Functional Materials;2015-11
7 Ma Qiang;Chen Zhenqian;School of Energy and Environment,Southeast University;;Numerical simulation of desorption and diffusion of gas in fractal porous materials with two-scale pores[J];Journal of Southeast University(Natural Science Edition);2015-04
8 YANG Jianming;WU Huijun;WANG Moran;College of Civil Engineering,Guangzhou University;Department of Engineering Mechanics,Tsinghua University;;Predicting Thermal Conductivity of Fiber-reinforced Aerogel Composite Materials[J];Materials Review;2015-11
9 CHEN Pei-xing;WANG Ming-quan;HOU Hui-ling;LI Shi-hu;School of Information and Communication Engineering,North University of China;Key Laboratory of Instrumentation Science & Dynamic Measurement,North University of China;;A Fast Defects Location Method in ICT Images Based on Block Fractal Dimension[J];计算机辅助绘图设计与制造(英文版);2015-01
10 SONG Chunyan;China Coal Research Institute;State Key Laboratory of Coal Mining and Clean Utilization;Energy State Key Laboratory of Coal Efficient Utilization and Energy-Saving Equipment;;Ca O Micro-pore Structure and the Gas-solid Proliferation and Mass Transfer Sulfided Model[J];Environmental Science & Technology;2015-S1
【Secondary Citations】
Chinese Journal Full-text Database 7 Hits
1 KAN Ankang,HAN Houde,TANG Wei (Merchant Marine College,Shanghai Maritime University,Shanghai 201306);Research on Effective Thermal Conductivity for Open-cell Polyurethane Foam Using Fractal Theory[J];Materials Review;2012-04
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