High heat flux engineering for the upgraded neutral beam injection systems of MAST-U

被引：2
|
作者：
Dhalla, F. [1 ]
Mistry, S. [1 ]
Turner, I. [1 ]
Barrett, T. R. [1 ]
Day, I. [1 ]
McAdams, R. [1 ]
机构：
[1] CCFE, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
来源：
FUSION ENGINEERING AND DESIGN | 2015年 / 96-97卷
关键词：
MAST-U; Neutral beam injection; Ion dump; High heat flux; Hypervapotron; Swirl tube;
D O I：
10.1016/j.fusengdes.2015.04.042
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
For the initial phase of MAST-U operation the two existing neutral beam injection systems will be used, but must be substantially upgraded to fulfil expected operational requirements. The major elements are the design, manufacture and installation of a bespoke bending magnet and Residual Ion Dump (RID) system. The MAST-design full energy dump is being replaced with new actively-cooled full, half and third energy dumps, designed to receive 2.4 MW of ion power deflected by an iron-cored electromagnet. The main design challenge is limited space available in the vacuum vessel, requiring ion-deflection calculations to ensure acceptable heat flux distribution on the dump panels. This paper presents engineering and physics analysis of the upgraded MAST beamlines and reports the current status of manufacture. (C) 2015 EURATOM/CCFE Fusion Association. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：458 / 462
页数：5
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