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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description
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 [email protected]. 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. - PowerPoint PPT Presentation
Transcript of 逃逸电子与低杂波反常多普勒共振作用的实验研究
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//// vkn cek
//(1 )cen N //
28
(1 )t
abs
B
N
ADR effect
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.
FT 上取得的相关实验结果
FT, FT, Phys. Phys. Rev. Lett.Rev. Lett. 52 52 (1984) 1300(1984) 1300
当等离子体密度低于一定阈值当等离子体密度低于一定阈值 ,, 出现出现 ADRADR
ADR effect in FTU
考虑到考虑到 LHW n// upshiftLHW n// upshift 后后 ,FTU,FTU 上上似乎是似乎是 ADR effect.ADR effect.NN//0=1.5//0=1.5 gamma=41 gamma=41
NN//abs=4//abs=4 gamma=9 gamma=9B. Esposito, Phys. Plasma, 10 (2003) 2350.
//
28
(1 )t
abs
B
N
ADR-like effect in HT-7
该现象只在低密度低功率该现象只在低密度低功率LHCDLHCD 实验中观察到实验中观察到 ..
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
实验参数
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感谢 HT-7 Team!
