A Comparison between Divertor Heat Loads in ELMy and HRS H-Modes on JFT-2M
A Comparison between Divertor Heat Loads in ELMy and HRS H-Modes on JFT-2M
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JFT-2M 上 ELMy 和 HRS H 模式偏滤器热负荷的比较
DOI：
10.1585/jspf.80.907
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发表时间：
2004
期刊：
影响因子：
--
通讯作者：
Y. Kusama
中科院分区：
文献类型：
--
作者：
H. Kawashima;K. Uehara;N. Nishino;K. Kamiya;K. Tsuzuki;Bakhtiari Mohammad;Y. Nagashima;H. Ogawa;K. Hoshino;S. Suzuki;Y. Kusama
通过快速测量JFT-2M上二维Dα发射、偏滤器电子温度和离子饱和电流，比较了ELMY模式和高循环稳态H模式下偏滤器热负荷。HRS H模式的热负荷与Elmy H模式的时间平均热负荷保持在相同的水平，表明HRS H模式具有避免严重ELM热负荷的诱人优势。HRS H模的热负荷主要是粒子输运的增强，而ELM大的热负荷是由热和粒子输运的突然增加引起的。
A comparison between divertor heat loads in ELMy and High Recycling Steady (HRS) H-modes was carried out by fast measurements of the two dimensional Dα emission, and the divertor electron temperature and ion saturation current on JFT-2M. The heat load for the HRS H-mode was maintained at the same level as the time-averaged heat load for the ELMy H-mode, indicating that the HRS H-mode has the attractive advantage of avoiding the severe ELM heat load. An enhancement of particle transport dominated the heat load for the HRS H-mode, whereas the large ELM heat load was induced by abrupt increases of both heat and particle transport.