A possible method of carbon deposit mapping on plasma facing components using infrared thermography

被引：8
|
作者：
Mitteau, R. [1 ]
Spruytte, J. [1 ]
Vallet, S. [1 ]
Travere, J. M. [1 ]
Guilhem, D. [1 ]
Brosset, C. [1 ]
机构：
[1] CEN Cadarache, Direct Sci & Mat, CEA Fus Controlee, EURATOM Assoc, F-13108 St Paul Les Durance, France
来源：
JOURNAL OF NUCLEAR MATERIALS | 2007年 / 363卷
关键词：
D O I：
10.1016/j.jnucmat.2007.01.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The material eroded from the surface of plasma facing components is redeposited partly close to high heat flux areas. At these locations, the deposit is heated by the plasma and the deposition pattern evolves depending on the operation parameters. The mapping of the deposit is still a matter of intense scientific activity, especially during the course of experimental campaigns. A method based on the comparison of surface temperature maps, obtained in situ by infrared cameras and by theoretical modelling is proposed. The difference between the two is attributed to the thermal resistance added by deposited material, and expressed as a deposit thickness. The method benefits of elaborated imaging techniques such as possibility theory and fuzzy logics. The results are consistent with deposit maps obtained by visual inspection during shutdowns. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：206 / 210
页数：5
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