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D.P. Tao(Department of Metallurgy , Kunming University of Science and Technology , Kunming 650093 , China)
金属学报(英文版)
A fractal pore diffusion model of fiuidS in porous media which is in good agreement with the experimental data of the coke-CO2 reaction, has been derived by using the Mandelbrot's fractal length-area relation. Based on the model, a new formula and its interpretation about the tortuosity of pore stru...
关键词: fractal model , null , null , null
谢涛 , 何雅玲 , 吴明 , 何超
工程热物理学报
本文研究并建立了气凝胶复合隔热材料传热计算模型.针对气凝胶纳米多孔材料的分形结构特征,结合规则交叉球杆结构,提出了气凝胶纳米多孔材料的分形交叉球杆结构模型,并以此结构模型为基础,建立了气凝胶纳米多孔材料热导率分形计算模型,模型中同时考虑了尺寸效应对气相、固相传热方式的影响,对气凝胶中添加的遮光剂、增...
关键词: 传热 , 分形结构 , 辐射 , 等效热导率
