Journal Article Predictions of toroidal rotation and torque sources arising in non-axisymmetric perturbed magnetic fieds in tokamaks

本多, 充  ,  佐竹, 真介  ,  鈴木, 康浩  ,  篠原, 孝司  ,  吉田, 麻衣子  ,  成田, 絵美  ,  仲田, 資季  ,  相羽, 信行  ,  白石, 淳也  ,  林, 伸彦  ,  松永, 剛  ,  松山, 顕之  ,  井手, 俊介

57 ( 11 )  , pp.116050-1 - 116050-17 , 2017-11 , Insitute of Physics
Capabilities of the integrated framework consisting of TOPICS, OFMC, VMEC and FORTEC-3D, have been extended in fully non-axisymmetric perturbed magnetic fields. The toroidally localized perturbed fields due to the test blanket modules augment the neoclassical toroidal viscosity (NTV) substantially in an ITER L-mode discharge. The NTV takes up a large portion of total torque in ITER. When the n=3 perturbed fields with 10kA coil currents are applied in JT-60SA, the non-resonant n = 18 NTV components are found to predominate. The theoretical model of the intrinsic torque due to the fluctuation-induced residual stress is calibrated by the JT-60U data.

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