Electromagnetic analysis on China HCCB-TBM design under major disruption

Under two major disruptions of ITER Plasma the electromagnetic loads on the updated design of CN HCCB-TBM have been performed by using ANSYS Parametric Design Language. The stress and temperature analyses have been obtained by applying multi-physical fields' calculations such as magnet-structure and magnet-heat coupling in this paper. The results showed that the maximum stress is ∼26.2 MPa, which was as low as the allowable value of RAFM (CLF-1). Due to the interaction of eddy current and resistance the Joule heat caused the temperature of TBM to rise to ∼0.1 K, which had less influence to the thermo-hydraulic design of TBM. The evaluations of EM loads on TBM have been showed that the updated structural design of TBM was safe which can overcome the EM loads brought by two kinds of major disruptions. (authors)