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Study on the Magnetization Force Distribution on the CFETR Blanket System Considering the Diagnostic Shielding Modules
Journal of Fusion Energy ( IF 1.9 ) Pub Date : 2023-03-14 , DOI: 10.1007/s10894-023-00347-x
Zhao Liu , Ming Wang , Mingzhun Lei , Wei Dai , Yi Gu

As a typical electromagnetic (EM) load during the operation of the China Fusion Engineering Test Reactor (CFETR) device, the magnetization force distribution on the blanket system is affected by the ferromagnetic material filling ratios (FMFRs) in the blankets and their locations. In phase II of the CFETR, the preliminary design of the diagnostic system was completed. The introduction of the diagnostic system (especially the diagnostic shielding modules, DSMs) will change the distribution of ferromagnetic materials around the blanket system and affect the distribution of blanket system EM load. Therefore, the goal of this study is to systematically analyze the magnetization force load distribution in the blanket system according to the updated design of the water-cooled ceramic breeder (WCCB) blanket. Firstly, the effect of the simplification of the blanket model on magnetization force is studied. Then, combined with the EM load of the blanket system in the plasma major disruption (MD) event, the distribution of magnetization force load on the blanket system is analyzed, and the disturbance of the DSMs to the magnetization force load is further studied. In addition, the effect of the ripple field correcting measure by adjusting the FMFRs of blankets on the blanket magnetization force load is also explored. The results show that the magnetization force of meganewton magnitude on the blanket system is about one magnitude higher than the EM force on the blanket in the MD event, but the contribution of magnetization force to the moment is much lower than the EM force.

更新日期:2023-03-15
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