Challenges facing high-field tokamaks

Manheiner talks about the challenges of high-field tokamaks. The high magnetic field certainly does shrink the fusion device's plasma volume, but high magnetic field is a double-edged sword. Disadvantages include increased pressure on the field coils and increased neutron wall loading. For him,...

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Bibliographic Details
Published in:Physics today 2019-04, Vol.72 (4), p.12-12
Main Author: Manheimer, Wallace
Format: Article
Language:English
Subjects:
Fusion
High temperature
Magnetic fields
Nuclear reactors
Superconductors
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Summary:Manheiner talks about the challenges of high-field tokamaks. The high magnetic field certainly does shrink the fusion device's plasma volume, but high magnetic field is a double-edged sword. Disadvantages include increased pressure on the field coils and increased neutron wall loading. For him, the most important advantage of using high-temperature superconductors (HTS), whether at 5 T or 10 T, is a point Kramer mentions in passing at the end.
ISSN:0031-9228
1945-0699
DOI:10.1063/PT.3.4176