H-mode phenomena during ICRF heating on JFT-2M
1987; IOP Publishing; Volume: 27; Issue: 7 Linguagem: Inglês
10.1088/0029-5515/27/7/012
ISSN1741-4326
AutoresH. Matsumoto, T. Ogawa, H. Tamai, K. Odajima, M. Hasegawa, K. Hoshino, S. Kasai, T. Kawakami, H. Kawashima, T. Matoba, Toshiaki Matsuda, Y. Miura, M. Mori, H. Ogawa, Hokuto Ohtsuka, S. Sengoku, T. Shoji, Norio Suzuki, S. Takada, Y. Uesugi, T. Yamamoto, T. Yamauchi,
Tópico(s)Ionosphere and magnetosphere dynamics
ResumoSignificant improvement of energy confinement has been observed on JFT-2M during ICRF heating. This improvement is preceded by a sudden drop in the Hα/Dα emission and a successive increase in stored plasma energy, electron density and radiation loss. This is believed to be the same phenomenon as the H-mode transition observed in ASDEX, and in PDX divertor experiments with neutral beam injection. However, in JFT-2M, this transition is observed both in limiter discharges and in open divertor configurations.
Referência(s)