Disruptions, Runaway Electrons, and Electromagnetic Loads in a Compact Spherical-Tokamak Breeder: A Reduced-Order Assessment on a NIMROD-Verified Equilibrium

Zenodo (CERN European Organization for Nuclear Research) 2026 Preprint Open access

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Authors: Priyanca Ford, G L Kulcinski
DOI: 10.5281/zenodo.22132102
Cited by: 2
References: 6

Abstract

A reduced-order assessment of disruptions, runaway electrons, and electromagnetic loads for the compact spherical-tokamak breeder, on a NIMROD-verified equilibrium. Current-quench time 7-19 ms; a SEVERE runaway-electron avalanche (E/E_c about 1128, a beam of order 70 percent of plasma current); halo current 35 percent of plasma current. The conclusion is a hard design requirement: shattered-pellet-class disruption mitigation triggered within the current-quench window. The disruption risk is not claimed negligible.

Fields of Study & Subjects

Magnetic confinement fusion research Laser-Plasma Interactions and Diagnostics Ionosphere and magnetosphere dynamics

Publication details

Journal / source
Zenodo (CERN European Organization for Nuclear Research)
Publication date
28 August 2026
Language
EN
Document type
Preprint