Journal article
Ablation of a Deuterium Pellet in a Fusion Plasma Viewed as a Stopping Power Problem
At present, the most exploited technology to refuel a future fusion reactor is the high speed injection of macroscopic size pellet of solid hydrogen isotopes. The basic idea is that the ablation of a pellet in a fusion reactor is mainly caused by thermal electrons (~ 10 keV) /1/. Due to the low sublimation energy of hydrogen isotopes, shortly after the direct impact of the electrons, a dense cloud forms around the pellet.
This cloud of ablated material then serves as a stopping medium for the incoming electrons, thus prolongs the pellet life-time. As a result, the deep penetration of the pellet into the reactor center becomes possible.
Language: | English |
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Year: | 1983 |
Pages: | 17-23 |
ISSN: | 04491947 , 27773396 and 03020738 |
Types: | Journal article |
DOI: | 10.1051/jphyscol:1983802 |