In response to the heat conduction problem of the multilayer composite structure contai-ning thermally anisotropic materials in the electronic equipment,the finite volume method is used to discretize the transient 3D anisotropic thermal conductivity differential equation to obtain the dis-crete equation in full implicit format;the transient 3D temperature field is obtained through Matlab programming,and the calculation shows that the thermal conductivity characteristics of the com-posite structure are quite different from those of a single composite material.The orderly mixing of materials with different thermal conductivities can significantly improve the thermal conductivity of the composite material and effectively improve the heat transfer efficiency of the structure;the fea-sibility of the optimal design of the thermal conductivity characteristics for similar PCB structures is verified,providing an effective method for the accurate solution of the transient 3D anisotropic thermal conductivity differential equation.
关键词
多层复合结构/复合材料/各向异性/传热
Key words
multilayer composite structure/composite material/anisotropy/heat transfer
维普
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