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逃逸电子与低杂波反常多普勒共振作用的实验研究

逃逸电子与低杂波反常多普勒共振作用的实验研究. 陈忠勇 云南师范大学 chenzy1003@163.com. ADR effect. Due to the decrease in the cyclotron frequency of relativistic runaway electrons, the cyclotron harmonic interaction between the relativistic runaway electrons and waves may occur. n= -1.

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逃逸电子与低杂波反常多普勒共振作用的实验研究

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  1. 逃逸电子与低杂波反常多普勒共振作用的实验研究逃逸电子与低杂波反常多普勒共振作用的实验研究 陈忠勇 云南师范大学 chenzy1003@163.com

  2. ADR effect • Due to the decrease in the cyclotron frequency of relativistic runaway electrons, the cyclotron harmonic interaction between the relativistic runaway electrons and waves may occur. n= -1 • As a consequence of the particle-wave interaction, the emission losses increase and it leads to the decrease of runaway energy. • It provides a possible runaway energy suppression scenario.

  3. FT上取得的相关实验结果 当等离子体密度低于一定阈值,出现ADR FT, Phys. Rev. Lett.52 (1984) 1300

  4. ADR effect in FTU 考虑到LHW n// upshift后,FTU上似乎是ADR effect. N//0=1.5 gamma=41 N//abs=4 gamma=9 B. Esposito, Phys. Plasma, 10 (2003) 2350.

  5. ADR-like effect in HT-7 该现象只在低密度低功率LHCD实验中观察到.

  6. 实验参数 • 逃逸放电后期投入低杂波, P=100kW, 200kW,300kW,400kW 等离子体参数:Ip=100kA, ne=0.5*1019m-3/ ne=1*1019m-3 • 逃逸放电中低杂波功率调制(100%,80%), P=100kW, Ip=100kA, ne=0.5*1019m-3 • 需要诊断:ECE, HXR, IR, Neutron 申请3个小时

  7. 感谢高老师、胡老师、凌老师、万老师以及各位老师、领导们的支持！感谢HT-7 Team!

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