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RETRACTED ARTICLE: Tokamak Coils Materials and Toroidal Field Ripples Calculation Using the Comsol Multiphysics

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This article was retracted on 03 May 2023

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Abstract

The ITER superconducting magnet systems consists of four main sub-systems: toroidal field (TF) coils, central solenoid coils, poloidal field coils, and correction coils. Like many other ITER systems, the magnet components are supplied in-kind by six domestic agencies. The technical specifications, manufacturing processes and procedures required to fabricate these components are particularly challenging. The management structure and organization to realize this procurement within the tight ITER construction schedule is very complex. On the other hand, toroidal magnetic field ripple in tokamak is an important issue in plasma equilibrium and stability studies. Toroidal magnetic field is created by toroidal torus with finite number of coils, therefore the field has a ripple in torus space. In this paper, we have reviewed the ITER magnetic coils materials, and also we have estimated the amplitude of TF ripples and its dependence to numbers of coils using the “Comsol Multiphysics” software. The calculations which performed for three: 8, 16 and 32 toroidal coils, indicates that increasing the number of toroidal coils lead to reduction of magnetic field ripple and lead to more stable plasma, but diagnostic access to plasma is reduces.

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Authors and Affiliations

  1. Plasma Physics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran

    B. Mahdavipour, A. Salar Elahi & M. Ghoranneviss

Authors
  1. B. Mahdavipour
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  2. A. Salar Elahi
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  3. M. Ghoranneviss
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Corresponding author

Correspondence to A. Salar Elahi.

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Mahdavipour, B., Salar Elahi, A. & Ghoranneviss, M. RETRACTED ARTICLE: Tokamak Coils Materials and Toroidal Field Ripples Calculation Using the Comsol Multiphysics. J Inorg Organomet Polym 26, 439–445 (2016). https://doi.org/10.1007/s10904-015-0325-z

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  • DOI: https://doi.org/10.1007/s10904-015-0325-z

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