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Spectroscopic determination of hydrogen and electron densities in plasma in the ionizing phase: Application to WT-III
- Source :
- Nuclear Fusion; September 1989, Vol. 29 Issue: 9 p1519-1521, 3p
- Publication Year :
- 1989
-
Abstract
- The Balmer line intensities of atomic hydrogen from the WT-III tokamak plasma have been observed and interpreted in terms of the collisional-radiative model. The atomic and molecular hydrogen densities are deduced together with the electron density. Going from the plasma centre to the edge region along the minor radius, the atomic hydrogen density increases slightly and molecular hydrogen is found only in the periphery. In the edge region, the atomic hydrogen density reaches 1 × 1016m?3and the molecular hydrogen density 4 × 10l7m?3. The electron density distribution is consistent with that determined by infrared laser interferometry.
Details
- Language :
- English
- ISSN :
- 00295515 and 17414326
- Volume :
- 29
- Issue :
- 9
- Database :
- Supplemental Index
- Journal :
- Nuclear Fusion
- Publication Type :
- Periodical
- Accession number :
- ejs56570026
- Full Text :
- https://doi.org/10.1088/0029-5515/29/9/009