Passive Runaway Electron Mitigation Coil
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Jun 10, 2021
filing date -
Jun 10, 2020
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Abstract
Described are concepts, structures and techniques for passive mitigation of relativistic electrons produced in a tokamak plasma. These electrons may be referred to herein as “runaway” electrons (REs). In embodiments, a passive runaway electron mitigation coil (REMC) comprises an electrical conductor having a non-axisymmetric loop shape comprising a plurality of portions arranged along paths defined by the surface of a torus along a toroidal direction. In operation, the REMC is energized by a disruption-induced voltage, and the resulting magnetic field stochasticity causes electrons to be lost more rapidly than a RE beam can form. The REMC is configured for outboard side mounting within a vacuum vessel.
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