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《Sichuan Building Science》 2013-02
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Energy saving analysis of anisotropic building material of thermal conductivity

SU Shunyu,HUANG Qin,GONG Jianwu(College of Urban Construction,Wuhan University of Science and Technology,Wuhan 430070,China)  
The steady-state heat conductive mechanism of anisotropic material was analyzed in this paper.It indicated that heat conduction in anisotropic material is quite different from that in isotropic material.And temperature gradient of one direction at one point in the anisotropic material could cause partial heat flux in perpendicular direction.There are advantages and disadvantages while the anisotropic material of thermal conductivity is alone applied to building envelope.And the technique of double skin envelope has been successfully applied in many building designs.Basing on the heat conductive characteristics of anisotropic material,it was applied to double skin envelope in this paper.The combined building envelope of anisotropic material and double skin envelope was constructed.And heat transfer in it was analyzed.The results indicated that it is more economical of energy than traditional double skin envelope.
【Fund】: 湖北省教育厅科研项目(Q20111101);; 湖北省自然科学基金资助项目(2012)
【CateGory Index】: TU502;TU111
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