Power balance investigation in steady-state LHCD discharges on TRIAM-1M

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• 作者：K. Hanada ; T. Sugata ; M. Sakamoto ; H. Zushi ; K. Nakamura ; K.N. Sato ; H. Idei ; M. Hasegawa ; A. Higashijima ; S. Kawasaki and H. Nakashima
• 关键词：Tokamak ; Calorimetric measurement ; Power balance ; LHCD ; Steady-state operation
• 刊名：Fusion Engineering and Design
• 出版年：2006
• 期刊代码：22_09203796
• 类别：pw
• 出版时间：September 2006
• 卷：81
• 期：19
• 页码：2257-2265
• 文件大小：451 K

摘要

A discharge longer than 5 h was successfully achieved on TRIAM-1M by fully non-inductive lower hybrid current drive (LHCD). The heat load distribution into the plasma facing components (PFCs) during the 5 h discharge was investigated using calorimetric measurements, which estimated that the injected radio frequency (RF) power coincided with the total heat load amount to the PFCs. The power balance, including the portion of direct loss power of the fast electrons and the heat flux due to the charge exchange (CX) process, was also investigated.