Ray tracing study of ITER in-vessel lighting system

被引：1

作者：

Kajita, Shin ^{[1
]}

Passedat, Gilles ^{[2
]}

Reichle, Roger ^{[3
]}

机构：

[1] Nagoya Univ, Inst Mat & Syst Sustainabil, Nagoya, Aichi 4648603, Japan

[2] CLAVIS SARL, 29 Blvd Marius Thomas, F-13007 Marseille 7, France

[3] ITER Org, Route Vinon Verdon,CS 90 046, F-90046 St Paul Les Durance, France

来源：

FUSION ENGINEERING AND DESIGN | 2020年 / 160卷

基金：

日本学术振兴会;

关键词：

Ray tracing; ITER; In-vessel lighting; Diagnostics;

D O I：

10.1016/j.fusengdes.2020.111787

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：

In-vessel lighting system is being developed for ITER. The diagnostic system is for inspecting and detecting eventual damages and defects of in-vessel components between discharges by illuminating the vacuum vessel with light sources. In this work, feasibility study of the in-vessel lighting system is performed using a ray tracing simulation. We installed sources and detectors in a ray tracing model using the field of views of wide-angle viewing systems and calculated the radiance profiles at detectors for different wall reflection scenarios. It was found that the wall is uniformly illuminated when the wall has a diffuse reflectance while the specular case has more brightness. We will discuss feasibility of the diagnostics system based on expected signal and noise levels.

引用

页数：6

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