Simulations of alpha parameters in a TFTR DT supershot with high fusion power

被引：99

作者：

Budny, RV

Bell, MG

Janos, AC

Jassby, DL

Johnson, LC

Mansfield, DK

McCune, DC

Redi, MH

Schivell, JF

Taylor, G

Terpstra, TB

Zarnstorff, MC

Zweben, SJ

机构：

[1] Plasma Phys. Lab., Princeton Univ., NJ

来源：

NUCLEAR FUSION | 1995年 / 35卷 / 12期

关键词：

D O I：

10.1088/0029-5515/35/12/I10

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：

A TFTR supershot with a plasma current of 2.5 MA, a neutral beam heating power of 33.7 MW and a peak DT fusion power of 7.5 MW is studied using the TRANSP plasma analysis code. Simulations of alpha parameters such as the alpha heating, pressure and distributions in energy and upsilon(parallel to)/upsilon are given. The effects of toroidal ripple and mixing of the fast alpha particles during the sawteeth observed after the neutral beam injection phase are modelled. The distributions of alpha particles on the outer midplane are peaked near forward and backward upsilon(parallel to)/upsilon. Ripple losses deplete the distributions in the vicinity of upsilon(parallel to)/upsilon approximate to -0.2. Sawtooth mixing of fast alpha particles is computed to reduce their central density and broaden their width in energy.

引用

页码：1497 / 1508

页数：12

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