Edge rotation and temperature diagnostic on the National Spherical Torus Experiment

被引：23

作者：

Biewer, TM ^{[1
]}

Bell, RE ^{[1
]}

Feder, R ^{[1
]}

Johnson, DW ^{[1
]}

Palladino, RW ^{[1
]}

机构：

[1] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2004年 / 75卷 / 03期

关键词：

D O I：

10.1063/1.1646740

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A new diagnostic for the National Spherical Torus Experiment is described whose function is to measure ion rotation and temperature at the plasma edge. The diagnostic is sensitive to C III, C IV, and He II intrinsic emission, covering a radial region of 15 cm at the extreme edge of the outboard midplane. Thirteen chords are distributed between toroidal and poloidal views, allowing the toroidal and poloidal rotation and temperature of the plasma edge to be simultaneously measured with 10 ms resolution. Combined with the local pressure gradient and EFIT reconstructed magnetic field profile, the edge flow gives a measure of the local radial electric field. (C) 2004 American Institute of Physics.

引用

页码：650 / 654

页数：5

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