Modeling of a lower-hybrid current drive by including spectral broadening induced by parametric instability in tokamak plasmas

被引：110

作者：

Cesario, R

Cardinali, A

Castaldo, C

Paoletti, F

Mazon, D

机构：

[1] Ctr Ric Frascati, EURATOM Assoc, ENEA Fus, I-00044 Frascati, Italy

[2] E Windsor Reg Sch Dist, Hightstown, NJ 08520 USA

[3] CEA Cadarache, EURATOM Assoc, CEA, F-13108 St Paul Les Durance, France

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.92.175002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

By incorporating parametric instabilities of lower hybrid (LH) waves into a ray-tracing Fokker-Planck code, accurate simulations of the LH deposition profiles are provided, which are useful for interpreting the long-lasting internal transport barriers (ITBs) sustained by lower hybrid current drive (LHCD) on JET (Joint European Torus). Utilizing the new model, the simulation of the q-profile evolution results in agreement with that provided by the motional Stark effect reconstructed equilibria. Low magnetic shear (sapproximate to0) is produced by LHCD in a layer close to the ITB radial foot.

引用

页码：175002 / 1

页数：4

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