關鍵字:用過核子燃料、深地層處置、廢料罐間距、等效模型、多處置孔、空間異質性 ;This thesis is based on the concept for geological disposal and use the finite element software ABAQUS to simulate the final repository for spent nuclear fuel and carry out heat transfer analysis. The target include multiple disposal holes repository, design chart and spatial heterogeneity by establishing equivalent model. For the multiple disposal holes repository, it need to establish four different case in order to verify with literature for the peak temperature of buffer. In addition, the influence of rock conductivity and the spacing of canister on peak temperature of buffer is carried out by using the representative volume unit concept to set up design chart, and to discuss the different between thesis and literature. Finally, the relevance between homogeneous and spatial heterogeneous of rock thermal conductivity is studied.