An Analysis of Ripple and Error Fields Induced by a Blanket in the CFETR

YU Guanying (余冠英); LIU Xufeng (刘旭峰); LIU Songlin (刘松林)

doi:10.1088/1009-0630/18/10/12

Plasma Science and Technology > 2016 > 18(10): 1038-1043. > DOI: 10.1088/1009-0630/18/10/12

YU Guanying (余冠英), LIU Xufeng (刘旭峰), LIU Songlin (刘松林). An Analysis of Ripple and Error Fields Induced by a Blanket in the CFETR[J]. Plasma Science and Technology, 2016, 18(10): 1038-1043. DOI: 10.1088/1009-0630/18/10/12

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An Analysis of Ripple and Error Fields Induced by a Blanket in the CFETR

1School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230026, China 2Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China

Funds: supported by National Natural Science Foundation of China (No. 11175207) and the National Magnetic Confinement Fusion Program of China (No. 2013GB108004)

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Received Date: November 23, 2015

Graphical Abstract

Abstract

Abstract

he Chinese Fusion Engineering Tokamak Reactor (CFETR) is an important intermediate device between ITER and DEMO. The Water Cooled Ceramic Breeder (WCCB) blanket whose structural material is mainly made of Reduced Activation Ferritic/Martensitic (RAFM) steel, is one of the candidate conceptual blanket design. An analysis of ripple and error field induced by RAFM steel in WCCB is evaluated with the method of static magnetic analysis in the ANSYS code. Significant additional magnetic field is produced by blanket and it leads to an increased ripple field. Maximum ripple along the separatrix line reaches 0.53% which is higher than 0.5% of the acceptable design value. Simultaneously, one blanket module is taken out for heating purpose and the resulting error field is calculated to be seriously against the requirement.
- CFETR,
- blanket,
- ripple field,
- error field

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References (1)

References

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