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核聚变与等离子体物理 ›› 2007, Vol. 27 ›› Issue (1): 77-80.

• 研究报告 • 上一篇    

装置器壁烘烤出气与辉光放电清洗出气研究

王志文,韦卫星,赵元庆,何燕和,廖义奎   

  1. (广西民族大学物理与电子工程学院,南宁 530006)
  • 收稿日期:2006-03-23 修回日期:2006-10-13 出版日期:2007-03-15 发布日期:2011-11-28
  • 作者简介:王志文(1969-),男,四川省华蓥市人,教授,从事真空表面和低温等离子体物理研究。
  • 基金资助:

    广西青年基金资助项目(桂科青0229017)

Study on out-gassing by baking and glow discharge during wall conditioning of vacuum chamber

WANG Zhi-wen, WEI Wei-xing, ZHAO Yuan-qing, HE Yan-he, LIAO Yi-kui   

  1. (Guangxi University for Nationalities, Nanning 530006)
  • Received:2006-03-23 Revised:2006-10-13 Online:2007-03-15 Published:2011-11-28

摘要:

建立了烘烤出气和辉光放电清洗(GDC)出气的物理模型,研究了装置器壁的烘烤出气和辉光放电清洗出气特点。烘烤出气是体出气,出气过程满足扩散方程;GDC 出气是溅射脱附过程,它主要是器壁表面的溅射诱导出气。由此分析了HL-1M装置的烘烤出气和辉光放电清洗出气特点,得出了一些经验公式。

关键词: 出气, 扩散, 辉光放电

Abstract:

The model of out-gassing by baking and glow discharge cleaning (GDC) is set up. The properties of them are studied. Out-gassing by baking is from bulk and it obeys the diffusion equation. Out-gassing of glow discharge cleaning is mainly on surface, it is inducement out-gassing by sputtering. Thus the properties of out-gassing for baking and GDC on the HL-1M tokamak are analyzed. Some empirical formulas are given.

Key words: Out-gassing, Diffusion, Glow discharge cleaning

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