| 2 | Numerical analysis of thermal process in the near field around vertical disposal of high-level radioactive waste显示文摘For deep geological disposal of high-level radioactive waste(HLW)in granite,the temperature on the HLW canisters is commonly designed to be lower than100fiC.This criterion dictates the dimension of the repository.Based on the concept of HLW disposal in vertical boreholes,thermal process in the nearfield(host rock and buffer)surrounding HLW canisters has been simulated by using different methods.The results are drawn as follows:(a)the initial heat power of HLW canisters is the most important and sensitive parameter for evolution of temperaturefield;(b)the thermal properties and variations of the host rock,the engineered buffer,and possible gaps between canister and buffer and host rock are the additional key factors governing the heat transformation;(c)the gaps width and thefilling by water or air determine the temperature offsets between them. | H.G.Zhao H.Shao H.Kunz J.Wang R.Su Y.M.Liu | 2014 | Journal of Rock Mechanics and Geotechnical Engineering2014，6，1： | 0 |
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