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South Korea looks to Southern and NuScale
This week, the United States and South Korea have taken two steps toward deepening their nuclear partnership through two notable announcements. First, the majority-state owned Korea Hydro & Nuclear Power signed a memorandum of understanding with Birmingham, Ala.–based Southern Nuclear.
Ming Lun Xue, Tien-Fang Yang
Fusion Science and Technology | Volume 2 | Number 1 | January 1982 | Pages 91-95
Technical Paper | Divertor Systems | doi.org/10.13182/FST82-A20738
Articles are hosted by Taylor and Francis Online.
An oscillating multiple limiter concept for tokamak fusion reactors has been conceived. The limiters consist of half-circle or short arc segments in the poloidal direction. They are oscillated locally in the scrape-off layer. Alternately, each limiter will be in contact with the plasma for 50 ms or less at an interval of 0.5 s. It is shown that the limiter can be subjected to a transient heat load as high as 10 kW/cm2 during the exposure time and can be cooled by water or helium in 0.5 s during the off-time. Only a few centimetres of movement is needed. A simple driving mechanism is also proposed.