段老师在SCI期刊 Fusion Sci. Technol. 上发表论文

段老师在SCI期刊 Fusion Science and Technology 上发表题目为“Summary of Tritium Source Term Study in 10 MW High Temperature Gas-Cooled Test Reactor”。段老师为通讯作者，主要从事文中第一性原理计算相关工作。

该文章基本信息如下：

标题：Summary of Tritium Source Term Study in 10 MW High Temperature Gas-Cooled Test Reactor

作者：X. Liu, W. Peng, F. Xie*, J. Cao, Y. Dong, X. Duan*, Y. Wen, B. Shan, K. Sun & G. Zheng

摘要：Tritium (3H) has been increasingly researched when assessing the environmental impact of nuclear reactors and other nuclear facilities because it is widely present in nuclear systems and can easily enter the environment. The first pebble-bed gas-cooled test reactor in China, the 10 MW high temperature gas-cooled test reactor (HTR-10), uses helium, graphite, and graphite spheres containing embedded tristructural-isotropic–coated particles as primary coolant, reflectors, and fuel elements, respectively. Several experiments that involved the 3H source term in HTR-10 were performed, and they measured the 3H specific activity and its distribution in the irradiated graphite spheres from the core, 3H activity concentration in the primary helium, 3H activity concentration during the regeneration of the molecular sieve adsorber in the helium purification system, and 3H amount in the gaseous effluent discharge from the stack. The experimental data were summarized and compared with the theoretical predictions. The balance diagram of the 3H source term in HTR-10 is introduced in this paper. Sensitivity analysis was performed to illustrate the effect of the 3He abundance in the primary helium and Li content in the graphite reflectors on the 3H activity concentration in the primary coolant of HTR-10. The interactions between graphite and different hydrogen isotopes (1H, 3H, 1H2, 1H3H, and 3H2) were investigated using first-principles calculations and the diffusion theory. The results indicated that molecular 3H tended to diffuse in graphite.

期刊：Fusion Science and Technology

链接：https://www.tandfonline.com/doi/full/10.1080/15361055.2020.1718856

Fusion Science and Technology 影响因子在2018年影响因子为1.4，在中科院分区中属于工程技术大类3区期刊。