Thermal conductivites of fibrous refractories at high temperature were investigated in this paper based on microstructure analysis with fractal theory.It was found that the fractal dimension and volume fraction of fib...Thermal conductivites of fibrous refractories at high temperature were investigated in this paper based on microstructure analysis with fractal theory.It was found that the fractal dimension and volume fraction of fiber material are two important parameters affecting heat conduction.According to the equivalent heat resistances,a model of heat transfer inside the fiber material was developed for prediction of effective conductivities of the material at high temperature.Model predicting are in good agreement with experimental data as well as with results from literature.展开更多
国际经济技术合作项目信息编者的话:这个栏目由国际经济技术向导中地主办。该中心是由中华人民共和国国家科学技术委员会科技人才交流开发服务中心和美国Guide Business Group,Inc.共同在中国与美国合作设立的国际合作机构。本栏目的宗...国际经济技术合作项目信息编者的话:这个栏目由国际经济技术向导中地主办。该中心是由中华人民共和国国家科学技术委员会科技人才交流开发服务中心和美国Guide Business Group,Inc.共同在中国与美国合作设立的国际合作机构。本栏目的宗旨是探讨现代...展开更多
文摘Thermal conductivites of fibrous refractories at high temperature were investigated in this paper based on microstructure analysis with fractal theory.It was found that the fractal dimension and volume fraction of fiber material are two important parameters affecting heat conduction.According to the equivalent heat resistances,a model of heat transfer inside the fiber material was developed for prediction of effective conductivities of the material at high temperature.Model predicting are in good agreement with experimental data as well as with results from literature.