Electromagnetic Estimates of the Internal Inductance in Tokamaks

Pustovitov, V. D.

doi:10.1134/s1063780x23600457

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2024

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“…where B n is the normal component of the magnetic flux density on the q = 2 surface and θ is the abscissa defined in [9]. It is useful to highlight that, although the TMEI represents a vacuum EFs response, the computation of Bn,m requires the knowledge of all the field sources, including the plasma current density distribution [9]. The relationship within the mathematical model can be treated via Taylor series expansion, around the nominal design configuration.…”

Section: A General Definitionsmentioning

confidence: 99%

Optimal Magnet Assembly for Error Field Reduction

Zumbolo,

Albanese,

Chiariello

et al. 2024

IEEE Trans. Plasma Sci.

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Inevitable inaccuracies in both manufacturing and assembly of magnetic field coils cause discrepancies between actual and nominal field in the plasma region, then generating error fields (EFs). This article examines the possibility to take advantage from the degrees of freedom (DoFs) of the assembly procedure to reduce the EFs due to a previously assembled part of the magnetic system in a tokamak. It is part of a broader vision that places the assembly phase within an optimization process able to take into account a full set of plasma scenarios. The effectiveness of the procedure is shown for the magnetic system of the divertor tokamak test (DTT) facility, currently under construction in Frascati, Italy.

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Section: A General Definitionsmentioning

confidence: 99%