THE EFFECT OF ICRF ANTENNA PHASING ON METAL IMPURITIES IN TFTR

被引：15
|
作者：
STEVENS, JE
BUSH, C
COLESTOCK, PL
GREENE, GJ
HILL, KW
HOSEA, JC
PHILLIPS, CK
STRATTON, B
VONGOELER, S
WILSON, JR
GARDNER, W
HOFFMAN, D
LYSOJVAN, A
机构：
[1] ACAD SCI UKSSR,KHARKOV INST PHYS & TECHNOL,KHARKOV 108,UKRAINE,USSR
[2] OAK RIDGE NATL LAB,OAK RIDGE,TN 37831
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 1990年 / 32卷 / 03期
关键词：
D O I：
10.1088/0741-3335/32/3/003
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：
ICRF power levels of up to 2.8 MW were achieved during the 1988 experimental run on TFTR. Metal impurity concentrations (Ti/el, Cr, Fe, Ni) and Zeff were monitored during ICRF heating by X-ray pulse height analysis and UV spectroscopy. Antenna phasing was the key variable affecting ICRF performance. No increase in metallic impurities was observed for P r.f.<or approximately=2.8 MW with the antenna straps phased 0- pi , while a measurable increase in titanium (Faraday screen material) was observed for Pr.f.>or approximately=1.0 MW with 0-0 phasing.
引用
收藏
页码：189 / 196
页数：8
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