Vacuum ultraviolet and visible spectroscopy diagnostics on the NOVA-UNICAMP tokamak
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| Natura: | Artículo científico |
| Lingua: | en |
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Sociedade Brasileira de Física
2001
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| _version_ | 1876429383659421696 |
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| author | A.M. Daltrini |
| author_facet | A.M. Daltrini |
| contents | Vacuum ultraviolet and visible spectroscopy diagnostics on the NOVA-UNICAMP tokamak A.M. Daltrini M. Machida M.J.R. Monteiro Física, Astronomía y Matemáticas Three visible and one VUV spectrometers covering four toroidal positions have been set to study He and H plasma created by NOVA-UNICAMP tokamak. Ion temperatures have been measured at the beginning of the tokamak discharge by Doppler broadening of C, O and He lines. The time evolution of carbon line emissions, with different degrees of ionization, showed to have opposite behavior between high and low plasma ionization condition. The high density operation and 2 kHz oscillation present throughout discharge, caused by periodical touching of the plasma with NOVA-UNICAMP tokamak limiter, restrained the increase of ion temperature. 2001 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46413502024 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3 Vol.31 |
| format | Artículo científico |
| id | redalyc_46413502024 |
| institution | Redalyc |
| language | en |
| publishDate | 2001 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Vacuum ultraviolet and visible spectroscopy diagnostics on the NOVA-UNICAMP tokamak A.M. Daltrini Física, Astronomía y Matemáticas Vacuum ultraviolet and visible spectroscopy diagnostics on the NOVA-UNICAMP tokamak A.M. Daltrini M. Machida M.J.R. Monteiro Física, Astronomía y Matemáticas Three visible and one VUV spectrometers covering four toroidal positions have been set to study He and H plasma created by NOVA-UNICAMP tokamak. Ion temperatures have been measured at the beginning of the tokamak discharge by Doppler broadening of C, O and He lines. The time evolution of carbon line emissions, with different degrees of ionization, showed to have opposite behavior between high and low plasma ionization condition. The high density operation and 2 kHz oscillation present throughout discharge, caused by periodical touching of the plasma with NOVA-UNICAMP tokamak limiter, restrained the increase of ion temperature. 2001 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46413502024 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3 Vol.31 |
| title | Vacuum ultraviolet and visible spectroscopy diagnostics on the NOVA-UNICAMP tokamak |
| topic | Física, Astronomía y Matemáticas |
| url | https://www.redalyc.org/articulo.oa?id=46413502024 |