Research Article
Influence of the Decelerator Grid on the Optical Performance of the Ion Thruster
Table 8
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 | | | 1944.1 | 1946.8 | Extraction (center) | | | 344.44 | 300.53 | Extraction (edge) | | | 211.76 | 222.22 | Downstream | | | 128.46 | 172.18 | Total | | | 307.83 | 257.38 |
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