Research Article
Influence of the Decelerator Grid on the Optical Performance of the Ion Thruster
Table 9
CEX impingement current of the accelerator grid
and mean incident energy
from different regions at
.
| Generation region | (A) | (eV) | 2-grid | 3-grid | 2-grid | 3-grid |
| Upstream | 0.0000 | 0.0000 | 0.0000 | 0.0000 | Extraction (center) | | | 491.41 | 486.88 | Extraction (edge) | | | 234.02 | 239.43 | Downstream | | | 141.78 | 153.10 | Total | | | 450.25 | 442.02 |
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