【摘 要】
：
For the effect of the collisional dissipation of fast electrons driven by the lower-hybrid waves,a predictive simulation is made for the HT-7 plasma.The sinmlat
【机 构】
：
Institute of Plasma Physics,Chinese Academy of Sciences,Center for Magnetic Fusion Theory,Chinese Ac
【出 处】
：
Plasma Science and Technology
论文部分内容阅读
For the effect of the collisional dissipation of fast electrons driven by the lower-hybrid waves,a predictive simulation is made for the HT-7 plasma.The sinmlation results show that the dissipation of fast electrons counteracts the effect of radial diffusion to some extent,thereby making the lower-hybrid driven current profile closer to the power deposition profile.So,in the case of an off-axis lower-hybrid wave power launching,the dissipation is helpful in maintaining a center-hollowed current profile in lower hybrid current drive(LHCD) plasmas,and thus possibly maintains the desired reversed magnetic shear.
For the effect of the collisional dissipation of fast electrons driven by the lower-hybrid waves, a predictive simulation is made for the HT-7 plasma. The sinmlation results show that the dissipation of fast electrons counteracts the effect of radial diffusion to some extent, thereby making the lower-hybrid driven current profile closer to the power deposition profile. So, in the case of an off-axis lower-hybrid wave power launching, the dissipation is helpful in maintaining a center-hollowed current profile in lower hybrid current drive (LHCD) plasmas, and caused may maintain the desired pattern of reversed magnetic shear.
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