Study of Confinement Improvement in Presence of a MARFE in the HT-7 Superconducting Tokamak
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| Format: | Artículo científico |
| Langue: | en |
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Sociedade Brasileira de Física
2006
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| _version_ | 1876475242835083264 |
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| author | M. Asif |
| author_facet | M. Asif |
| contents | Study of Confinement Improvement in Presence of a MARFE in the HT-7 Superconducting Tokamak M. Asif HT-7 Team Física, Astronomía y Matemáticas MARFE Graphite limiters Confinement Improvement A new set of actively cooled toroidal double-ring graphite limiters have been developed on the HT-7 tokamk for long pulse operation. In this paper, a Multifaceted asymmetric radiation from the edge (MARFE) phenomena and improved particle confinement induced by a MARFE, characterized by Halpha line emissions drops and the line-averaged density increase have been studied in the HT-7 ohmic discharges (where the plasma current Ip=145 kA, loop voltage Vloop =2-3 V, toroidal field B T =1.7 T, and Zeff =2-8). It is found that the improved particle confinement phase exists for about 90 ms and the particle confinement time tP increased about 1.6 times. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46413654036 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.3A Vol.36 |
| format | Artículo científico |
| id | redalyc_46413654036 |
| institution | Redalyc |
| language | en |
| publishDate | 2006 |
| publisher | Sociedade Brasileira de Física |
| spellingShingle | Study of Confinement Improvement in Presence of a MARFE in the HT-7 Superconducting Tokamak M. Asif Física, Astronomía y Matemáticas MARFE Graphite limiters Confinement Improvement Study of Confinement Improvement in Presence of a MARFE in the HT-7 Superconducting Tokamak M. Asif HT-7 Team Física, Astronomía y Matemáticas MARFE Graphite limiters Confinement Improvement A new set of actively cooled toroidal double-ring graphite limiters have been developed on the HT-7 tokamk for long pulse operation. In this paper, a Multifaceted asymmetric radiation from the edge (MARFE) phenomena and improved particle confinement induced by a MARFE, characterized by Halpha line emissions drops and the line-averaged density increase have been studied in the HT-7 ohmic discharges (where the plasma current Ip=145 kA, loop voltage Vloop =2-3 V, toroidal field B T =1.7 T, and Zeff =2-8). It is found that the improved particle confinement phase exists for about 90 ms and the particle confinement time tP increased about 1.6 times. 2006 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46413654036 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.3A Vol.36 |
| title | Study of Confinement Improvement in Presence of a MARFE in the HT-7 Superconducting Tokamak |
| topic | Física, Astronomía y Matemáticas MARFE Graphite limiters Confinement Improvement |
| url | https://www.redalyc.org/articulo.oa?id=46413654036 |