Sensitivity of equilibrium profile reconstruction to motional stark effect measurements

被引:11
|
作者
Batha, SH
Levinton, FM
Hirshman, SP
Bell, MG
Wieland, RM
机构
[1] OAK RIDGE NATL LAB,OAK RIDGE,TN
[2] PRINCETON UNIV,PRINCETON PLASMA PHYS LAB,PRINCETON,NJ 08543
关键词
D O I
10.1088/0029-5515/36/9/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 magnetic-field pitch-angle profile, gamma(p)(R) = tan(-1)(B-pol/B-tor), is measured on TFTR using a motional Stark effect (MSE) polarimeter. Measured pitch angle profiles, along with kinetic profiles and external magnetic measurements, are used to compute a self-consistent equilibrium using the free-boundary variational moments equilibrium code VMEC. Uncertainties in the q profile due to uncertainties in gamma(p)(R), magnetic measurements and kinetic measurements are Found to be small. Subsequent uncertainties in the VMEC-calculated current density and shear profiles are also small.
引用
收藏
页码:1133 / 1143
页数:11
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