Second harmonic electron cyclotron current drive experiments on T-10-猫眼课题宝

DOI：

10.1088/0029-5515/35/4/i01

发表时间：

1995-04

期刊：

Nuclear Fusion

影响因子：

3.3

通讯作者：

中科院分区：

物理与天体物理1区

文献类型：

作者：

V. Alikaev;A. Bagdasarov;A. A. Borshegovskij-A.;V. Chistyakov;M. Dremin;Y. Gorelov;A. Gorshkov;Y. Esipchuk;D. B. Evdokimov;A. Kislov;D. Kislov;V. Krupin;L. Kuznetsova;S. Lysenko;G. E. Notkin;Y. Pavlov;V. Poznyak;K. Razumova;I. Roj;P. Savrukhin;V. Sannikov;A. Sushkov;V. Trukhin;N. L. Vasin;V. Vershkov;G. Denisov;V. Belousov;V. A. Flyagin;C. Forest;J. Lohr;T. Luce;R. Harvey;B. Grek

介绍了在T-10托卡马克装置上进行的二次谐波共振电子回旋电流驱动实验的结果。高达1.2兆瓦的高频（HF）功率从低场侧发射。在电子温度Tc（0）= 4keV，密度nc（0）= 1 × 1013 cm-3时，获得了最大驱动电流35 kA，电流驱动效率ηCD = 0.05A/W。对于低HF功率，电流驱动效率小于线性理论预测的，除非考虑来自非垂直注入的椭圆极化的影响，在这种情况下，效率接近理论值。HF对吸收HF功率的实验依赖性表明ηCD随功率的增加而强烈增加。在电子回旋加热过程中，电子振荡的抑制和约束的改善也得到了证实

Results of the electron cyclotron current drive experiment at the second harmonic resonance on the T-10 tokamak are presented. High frequency (HF) power up to 1.2 MW was launched from the low field side. A maximum driven current of 35 kA and current drive efficiency ηCD = 0.05 A/W at an electron temperature Tc(O) = 4 keV and a density nc(0) = 1 × 1013 cm-3 were obtained. For low HF power, the current drive efficiency was less than predicted by the linear theory unless the effect of the elliptical polarization from non-perpendicular injection is considered, in which case the efficiency is close to the theoretical value. The experimental dependence of HF on the absorbed HF power indicated a strong increase of ηCD with power. Suppression of sawtooth oscillations and improvement of confinement during electron cyclotron heating has also been demonstrated

Second harmonic electron cyclotron current drive experiments on T-10

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