CONFINEMENT OF FUSION PRODUCED MEV IONS IN THE DIII-D TOKAMAK

被引：70

作者：

DUONG, HH

HEIDBRINK, WW

机构：

[1] California Univ., Irvine, CA

来源：

NUCLEAR FUSION | 1993年 / 33卷 / 02期

关键词：

D O I：

10.1088/0029-5515/33/2/I03

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The behaviour of tritons and He-3 ions produced in deuterium-deuterium fusion reactions is studied using the d(t, n)alpha and d(He-3, p)alpha fusion reactions. Fusion produced MeV ions exhibit classical behaviour in high field (B(T) greater than or similar to 1.0 T) discharges, including the new class of 'very high' confinement plasmas. However, anomalous behaviour is observed in discharges with strong sawtooth, fishbone or toroidicity induced Alfven eigenmode (TAE) activity. For the high field discharges without strong MHD activity, the data imply an effective diffusion coefficient smaller than approximately 0.1 m2/s, but in the presence of strong MHD activity the effective diffusion of the MeV ions exceeds 1 m2/S.

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页码：211 / 224

页数：14

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