کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
271713 505006 2013 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Numerical modeling of 3D halo current path in ITER structures
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی مهندسی انرژی و فناوری های برق
پیش نمایش صفحه اول مقاله
Numerical modeling of 3D halo current path in ITER structures
چکیده انگلیسی

Disruptions represent one of the main concerns for Tokamak operation, especially in view of fusion reactors, or experimental test reactors, due to the electro-mechanical loads induced by halo and eddy currents. The development of a predictive tool which allows to estimate the magnitude and spatial distribution of the halo current forces is of paramount importance in order to ensure robust vessel and in-vessel component design. With this aim, two numerical codes (CARIDDI, CAFE) have been developed, which allow to calculate the halo current path (resistive distribution) in the passive structures surrounding the plasma. The former is based on an integral formulation for the eddy currents problem particularized to the static case; the latter implements a pair of 3D FEM complementary formulations for the solution of the steady-state current conduction problem. A simplified plasma model is adopted to provide the inputs (halo current injected into the first wall). Two representative test cases (ITER symmetric and asymmetric VDEs) have been selected to cross check the results of the proposed approaches.


► Two numerical codes for the evaluation of halo currents in 3D structures are presented.
► A simplified plasma model is adopted to provide the input (halo current injected into the FW).
► Two representative test cases of ITER symmetric and asymmetric VDEs have been analyzed.
► The proposed approaches provide results in excellent agreement for both cases.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fusion Engineering and Design - Volume 88, Issues 6–8, October 2013, Pages 529–532
نویسندگان
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