Chemical sputtering of carbon in Tore-Supra outboard pump limiter

被引：11

作者：

Cambe, A

Gauthier, E ^{[1
]}

Hogan, J

Layet, JM

机构：

[1] EURATOM, CEA Fus Controlee, Ctr Etud Cadarache, F-13108 St Paul Les Durance, France

[2] ORNL, Div Fus Energy, Oak Ridge, TN 37831 USA

[3] Univ Aix Marseille 1, CNRS, UMR 6633, Ctr Univ St Jerome,Serv 241, F-13397 Marseille, France

来源：

JOURNAL OF NUCLEAR MATERIALS | 2003年 / 313卷

关键词：

chemical sputtering; erosion; redeposition; tokamak; Tore-Supra; carbon;

D O I：

10.1016/S0022-3115(02)01583-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The use of a large amount of carbon in tokamaks induces two major problems mainly due to the chemical sputtering: erosion and tritium retention. In the Tore-Supra outboard pump limiter, the in situ chemical sputtering yield of the carbon neutralizer plate has been studied. Investigation of methane and heavier hydrocarbon (C2D(x) and C3Dy) emission has been performed in ohmic and lower hybrid heated discharges, by means of mass spectrometry and optical spectroscopy. Simulation performed with a Monte Carlo code (BBQ) allows validation of the sputtering yield calculation method and show good agreement with experimental data. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：364 / 369

页数：6

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