An approach to explore the eddy currents of the new type divertor for EAST device using ANSYS code

TY - JOUR

T1 - An approach to explore the eddy currents of the new type divertor for EAST device using ANSYS code

AU - Liu, Changle

AU - Yao, Damao

AU - Doody, Jeffrey

AU - Lipschultz, Bruce

AU - Zhou, Lihua

AU - Liang, Chao

AU - Zhou, Zibo

AU - Cao, Lei

AU - Xu, Tiejun

PY - 2014/1

Y1 - 2014/1

N2 - An effective method for eddy current calculation has been developed for EAST's new divertor by using ANSYS. A 3D model of a double null divertor for the EAST device was built to evaluate eddy currents and electromagnetic (EM) forces on these components. The main input to the model is the plasma current and poloidal field coil currents, which are loaded into the model using experimental data measured from the EAST discharges. These currents generate magnetic fields that match those producing an EAST discharge, and the time variation of these fields produces the eddy currents in the divertors, along with from the resulting EM forces. In addition, the first 10 time steps were discussed for the eddy current generation and changing trend. It indicates that a static analysis before a transient mode start can solve the eddy current origination in the initial time steps. With this method, the EM transient response of EAST's new divertor can be predicted based on ANSYS simulations. Furthermore, the method is also an effective approach to estimate the EM results for the in-vessel components of a fusion reactor during a disruption.

AB - An effective method for eddy current calculation has been developed for EAST's new divertor by using ANSYS. A 3D model of a double null divertor for the EAST device was built to evaluate eddy currents and electromagnetic (EM) forces on these components. The main input to the model is the plasma current and poloidal field coil currents, which are loaded into the model using experimental data measured from the EAST discharges. These currents generate magnetic fields that match those producing an EAST discharge, and the time variation of these fields produces the eddy currents in the divertors, along with from the resulting EM forces. In addition, the first 10 time steps were discussed for the eddy current generation and changing trend. It indicates that a static analysis before a transient mode start can solve the eddy current origination in the initial time steps. With this method, the EM transient response of EAST's new divertor can be predicted based on ANSYS simulations. Furthermore, the method is also an effective approach to estimate the EM results for the in-vessel components of a fusion reactor during a disruption.

KW - ANSYS

KW - divertor

KW - EAST (Experimental Advanced Superconducting Tokamak) device

KW - eddy current

KW - plasma disruption

UR - http://www.scopus.com/inward/record.url?scp=84892870652&partnerID=8YFLogxK

U2 - 10.1007/s11431-013-5429-5

DO - 10.1007/s11431-013-5429-5

M3 - Article

AN - SCOPUS:84892870652

SN - 1674-7321

VL - 57

SP - 9

EP - 13

JO - Science China Technological Sciences

JF - Science China Technological Sciences

IS - 1

ER -