Lifetime analysis of the ITER first wall under steady-state and off-normal loads

被引：12

作者：

Mitteau, R. ^{[1
]}

Sugihara, M. ^{[1
]}

Raffray, R. ^{[1
]}

Carpentier-Chouchana, S. ^{[1
]}

Labidi, H. ^{[2
]}

Merola, M. ^{[1
]}

Pitts, R. A. ^{[1
]}

Stangeby, P. ^{[3
]}

机构：

[1] ITER Org, F-13115 St Paul Les Durance, France

[2] ZAC St Martin, F-84120 Pertuis, France

[3] Univ Toronto, Inst Aerosp Studies, Toronto, ON M3H 5T6, Canada

来源：

PHYSICA SCRIPTA | 2011年 / T145卷

关键词：

PLASMA-FACING COMPONENTS; THERMAL RESPONSE; NORMAL EVENTS; TRANSIENTS; RACLETTE; EROSION; MODEL; ARMOR;

D O I：

10.1088/0031-8949/2011/T145/014081

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The lifetime of the beryllium armor of the ITER first wall is evaluated for normal and off-normal operation. For the individual events considered, the lifetime spans between 930 and 35 x 10(6) discharges. The discrepancy between low and high estimates is caused by uncertainties about the behavior of the melt layer during off-normal events, variable plasma operation parameters and variability of the sputtering yields. These large uncertainties in beryllium armor loss estimates are a good example of the experimental nature of the ITER project and will not be truly resolved until ITER begins burning plasma operation.

引用

页数：7

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