Experimental Results of MHD Suppression with Modulated LHCD on the HT-7 Tokamak

查看全文 作　　者：[1]毛剑珊;[1]罗家融;[1]沈飙;[1]赵君煜;[1]胡立群;[1]徐国盛;[1]徐汉东;[1]沈慰慈;[2]P.Phillips;[1]高翔

机构地区：[1]Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;[2]Fusion Research Center, C1510 Univ. of Texas at Austin. TX 78712 USA

出　　处：《Plasma Science and Technology》索引2005年第7卷第3期,共3页

基　　金：The project supported by the National Natural Science Foundation of China (Nos. 10275068 and 10075049) 摘　　要：Modulation of lower hybrid current drive was used successfully to suppress MHD activity. This was achieved in discharges with MHD m = 2 tearing modes during the discharge conditions Ip = 110 kA, Bt = 1.75 T, ne0 ~ 1.1 × 1013 cm-3. The delivering time of LHCD pulse is less then 30 μs. The amplitude, interval and the period of LHCD modulation pulse can be adjusted very conveniently. The modulation LHCD can be delivered very fast at any time during the discharge. The modulation LHCD period was always much shorter than the plasma resistive time (τη≈ 100 ms). So the profile of plasma current is changed much faster than the plasma resistive time. The different forms of LHCD modulating can be proved. 关键词：HT-7托卡马克撕裂模型混合电流驱动低频调制

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Experimental Results of MHD Suppression with Modulated LHCD on the HT-7 Tokamak

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