Hot spot effect on infrared spectral luminance emitted by carbon under plasma particles impact

被引：16

作者：

Delchambre, E

Reichle, R

Mitteau, R

Missirlian, M

Roubin, P

机构：

[1] CE Cadarache, DRFC, DSM, CEA, F-13108 St Paul Les Durance, France

[2] Univ Aix Marseille 1, Lab PIIM, Ctr St Jerome, F-13397 Marseille, France

来源：

JOURNAL OF NUCLEAR MATERIALS | 2005年 / 337卷 / 1-3期

关键词：

Tore Supra; IR thermography; power deposition; carbon-based materials; dust;

D O I：

10.1016/j.jnucmat.2004.10.015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

During the last Tore Supra campaigns, an anomalous deformation in the near infrared spectrum of radiation has been observed on neutraliser underneath the Toroidal Pumped Limiter (TPL) on which we have observed the growth of carbon layer. The consequence is the difficulty to assess the surface temperature of the components and the power loaded. Laboratory experiment has been performed, using an Electron Cyclotron Resonance (ECR) ions source, to reproduce, characterize and explain this phenomenon. The luminance emitted by Carbon Fibre Composite (CFC) and pyrolytic graphite, have been observed under 95keV of H+ bombardments. The amplitude of the deformation was found to depend on the type of material used and the power density of the incident power loaded. This paper presents the possible hot spots explanation. The experimental luminance deformation is reproduced and these results are validated using a thermal model of dust in radiative equilibrium. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：1069 / 1072

页数：4