Experimental demonstration of tokamak inductive flux saving by transient coaxial helicity injection on national spherical torus experimenta)

Experimental demonstration of tokamak inductive flux saving by transient coaxial helicity injection on national spherical torus experimenta)
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国家球环面瞬态同轴螺旋注入节省托卡马克感应通量的实验演示a)

DOI:
10.1063/1.3628540
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发表时间:
2011
期刊:
影响因子:
2.2
通讯作者:
V. Soukhanovskii
V. Soukhanovskii
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
R. Raman;D. Mueller;T. Jarboe;B. Nelson;M. Bell;S. Gerhardt;B. LeBlanc;J. Menard;M. Ono;L. Roquemore;V. Soukhanovskii

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在美国国家球形环实验中,瞬时同轴螺旋度注入引发的放电获得了高达300 kA的峰值环形等离子体电流。当从中央螺线管感应,然后应用,这些放电发展高达300 kA的额外电流相比,仅由感应引发的放电。在NSTX中,CHI启动的放电仅使用258 mWb的螺线管通量就实现了1 MA的等离子体电流,而标准的仅感应放电需要大约50%的螺线管通量才能达到1 MA。此外,CHI引发的放电具有较低的等离子体密度和0.35的低归一化内部等离子体电感,如实现NSTX中的高级场景所需。
Discharges initiated by transient coaxial helicity injection in National Spherical Torus Experiment have attained peak toroidal plasma currents up to 300 kA. When induction from the central solenoid is then applied, these discharges develop up to 300 kA additional current compared to discharges initiated by induction only. CHI initiated discharges in NSTX have achieved 1 MA of plasma current using only 258 mWb of solenoid flux whereas standard induction-only discharges require about 50% more solenoid flux to reach 1 MA. In addition, the CHI-initiated discharge has lower plasma density and a low normalized internal plasma inductance of 0.35, as needed for achieving advanced scenarios in NSTX.
同轴螺旋注入驱动的螺旋注入球面环等离子体中的内部磁场结构和电流密度分布
DOI: --
发表时间: 2003
期刊: Physics of Plasmas 10・7
影响因子: --
作者:
M.Nagata;et al.
通讯作者: et al.