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Evaluation of surface water–groundwater interaction using environmental isotopes (D, 18O and 222Rn) in Chongli Area,China |
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| Authors: | Du Shanghai Deng Zhiqun Liu Yingjie Zhang Lijie Xu Hang Yang He |
| Institution: | 1.School of Physical Sciences, University of Science and Technology of China, No. 96 Jinzhai Road, Hefei, 230026, Anhui, People’s Republic of China ;2.School of Mechanical Engineering, Shanghai Jiao Tong University, Mechanical Building, 800 Dong Chuan Road, Shanghai, 200240, People’s Republic of China ;3.Institute of Nuclear Energy Safety Technology, Chinese Academy of Sciences, Hefei, 230031, People’s Republic of China ; |
| Abstract: | Predicting the electrical corrosion potential (ECP) of type 304 stainless steel, the structural material of recirculation pipes in fusion power plants, is important because the growth rate of intergranular stress corrosion crack (IGSCC) of 304 stainless steel is closely related to ECP. In this work, a new model has been developed, by modifying existing models, to calculate the ECP of recirculation pipes in future fusion power plant. The calculation results indicate that merely injecting hydrogen cannot reduce ECP below EIGSCC if the dose rate exceeds a threshold, other assisted water chemistry controlling method is necessary. |
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