Fueling efficiency of gas puffing on large helical device
Fueling efficiency of gas puffing on large helical device
复制标题
大型螺旋装置喷气燃料效率
DOI：
10.1016/s0022-3115(02)01457-5
复制
发表时间：
2003
影响因子：
3.1
通讯作者：
O. Motojima
中科院分区：
文献类型：
--
作者：
J. Miyazawa;S. Masuzaki;H. Yamada;H. Suzuki;M. Goto;S. Morita;S. Murakami;K. Narihara;M. Osakabe;B. Peterson;S. Sakakibara;Kokichi Tanaka;O. Kaneko;A. Komori;K. Matsuoka;O. Motojima
对于由 LHD 中的中性束注入加热的净电流自由等离子体，估算了气体喷射的燃料效率。在密度斜坡放电的后期阶段对颗粒平衡进行了分析。等离子体密度的增加速率仅与气体吹气的颗粒通量相关，而不与该阶段的其他参数（例如再循环通量）相关。通过该方法，燃油效率达到12%。通过该方法获得的燃料效率对加热功率或磁岛的存在不敏感。
Fueling efficiency of gas puffing has been estimated for the net current free plasmas heated by the neutral beam injection in LHD. The particle balance has been analyzed in the latter phase of the density ramp up discharges. The increase rate of the plasma density is correlated to the particle flux of gas puffing alone and not to the other parameters such as the recycling flux, at that phase. The fueling efficiency of 12% has been obtained with this method. The fueling efficiency obtained by this method is insensitive to the heating power or the existence of the magnetic island.