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Fusion Science and Technology
November 2025
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Modernizing I&C for operations and maintenance, one phase at a time
The two reactors at Dominion Energy’s Surry plant are among the oldest in the U.S. nuclear fleet. Yet when the plant celebrated its 50th anniversary in 2023, staff could raise a toast to the future. Surry was one of the first plants to file a subsequent license renewal (SLR) application, and in May 2021, it became official: the plant was licensed to operate for a full 80 years, extending its reactors’ lifespans into 2052 and 2053.
Zhenggui Xiao, Bo Li, Li Li, Dequan Liu, Lianghua Yao, Jiafu Dong, Gancheng Guo, Zhongchao Deng, Yin Jia Zheng, Wenyu Hong, Longwen Yan, Yi Liu, Yong Liu, Enyao Wang
Fusion Science and Technology | Volume 43 | Number 1 | January 2003 | Pages 45-54
Technical Paper | doi.org/10.13182/FST03-A248
Articles are hosted by Taylor and Francis Online.
The Eight-shot Pellet Injector (EPI) and Molecular Beam Injector (MBI) as new plasma fueling methods have been developed and installed on the HL-1M tokamak for fueling experiments. The main structures and characteristics of the fueling device and the typical fueling experimental results with EPI and the MBI are reported. In these experiments, typical responses of plasma in discharges with PI and MBI are the peaked density profile Qn = ne(0)/<(ne)> of >1.65 for MBI and of 2 for PI. The improvement of confinement time E is usually better than 10 to 30% of Gas Puffing (GP) discharge in the same operation condition. In addition, the penetration depth and deposition region of fueling particles, the variance of soft X-ray sawteeth, the rotation and flow of plasma in edge region as well as the photographing of ablation clouds with PI and MBI are compared and presented in this paper.
