Thermal analysis of the in-vessel components of the ITER plasma-position reflectometry

被引：7
|
作者：
Quental, P. B. [1 ]
Policarpo, H. [1 ]
Luis, R. [1 ]
Varela, P. [1 ]
机构：
[1] Univ Lisbon, Inst Super Tecn, Inst Plasmas & Fusao Nucl, P-1049001 Lisbon, Portugal
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 11期
关键词：
D O I：
10.1063/1.4960493
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The ITER plasma position reflectometry system measures the edge electron density profile of the plasma, providing real-time supplementary contribution to the magnetic measurements of the plasma-wall distance. Some of the system components will be in direct sight of the plasma and therefore subject to plasma and stray radiation, which may cause excessive temperatures and stresses. In this work, thermal finite element analysis of the antenna and adjacent waveguides is conducted with ANSYS V17 (ANSYS (R) Academic Research, Release 17.0, 2016). Results allow the identification of critical temperature points, and solutions are proposed to improve the thermal behavior of the system. Published by AIP Publishing.
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页数：3
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