Abstract
The role of the neutral-beam fuelling profile in determining the stored energy and neutron emission in neutral-beam-heated discharges on TFTR is investigated. It is found that the neutral-beam fuelling profile is sensitive to both the magnitude and the shape of the electron density. The ion stored energy correlates well with the peaking of the neutral-beam fuelling profile, whereas the electron stored energy is insensitive to this parameter. The DD fusion neutron emission is also well correlated with the peaking of the neutral-beam fuelling profile. The derived empirical scalings of the ion stored energy and neutron yield include discharges from the L mode to the supershot regime.
| Original language | English (US) |
|---|---|
| Article number | I08 |
| Pages (from-to) | 1271-1276 |
| Number of pages | 6 |
| Journal | Nuclear Fusion |
| Volume | 34 |
| Issue number | 9 |
| DOIs | |
| State | Published - 1994 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
- Condensed Matter Physics
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