Runaway electrons and their interaction with tungsten wall: a comprehensive study of effects
Laleh Ataeiseresht, Mohammad Reza Abdi, Banafsheh Pourshahab, Chapar Rasouli · 2023
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Description
Four researchers from Iran simulate what happens when runaway electrons slam into the tungsten wall of a fusion reactor. In a tokamak, some electrons escape control and race around the chamber. When they strike the wall, they dump heat that can melt or crack it, and they can make the wall radioactive.
Using a Monte Carlo code, the team tracked electrons through the metal and measured where their energy lands. Steeper hit angles drove energy deeper and spread it wider. A magnetic field boosted deposits most for slow electrons striking at a slant. Fast electrons, in the fifty to one hundred MeV range, often passed clean through the wall. The study warns that gear behind the wall needs shielding too.
Catalog record
| CREATOR | Laleh Ataeiseresht, Mohammad Reza Abdi, Banafsheh Pourshahab, Chapar Rasouli |
|---|---|
| YEAR | 2023 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 67 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |