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双钨极TIG电弧压强分布及其与等离子体喷射的关系

李桓王飞 YCressault PhTeulet 杨珂于福盛

电焊机2017，Vol.47Issue(7)：1-5,5.

电焊机2017，Vol.47Issue(7)：1-5,5.DOI:10.7512/j.issn.1001-2303.2017.07.01

双钨极TIG电弧压强分布及其与等离子体喷射的关系

Arc pressure in tandem TIG arc and its relation with plasma jet

李桓 ¹王飞 ¹YCressault ²PhTeulet ³杨珂 ²于福盛³

作者信息

1. 天津大学天津市现代连接技术重点实验室,天津300072
2. Université de Toulouse,UPS, INPT, LAPLACE(Laboratoire Plasma et Conversion d'Energie), F-31062 Toulouse Cedex 9,法国
3. CNRS, LAPLACE, F-31062 Toulouse,法国
折叠

摘要

Abstract

A three-dimensional (3D) numerical model of a tandem TIG welding is developed to obtain the arc pressure in arc and demonstrate its relation with plasma jet.It has been found that there are high pressure zones in arc:below the electrodes,above the anode,the interchange of two flow of plasma,which is derived from the plasma jet below the cathode.Besides,the maximum pressure calculated on the surface of anode for the tandem TIG arc is smaller than that for the single arc.It built a basis for the application of tandem TIG arc welding.

关键词

双钨极TIG/模拟/电弧压强/等离子体喷射

Key words

tandem TIG/modeling/pressure/plasma jet

分类

矿业与冶金

引用本文复制引用

李桓,王飞,YCressault,PhTeulet,杨珂,于福盛..双钨极TIG电弧压强分布及其与等离子体喷射的关系[J].电焊机,2017,47(7):1-5,5.

基金项目

国家自然科学基金(51175374,51475325,51675375) （51175374,51475325,51675375）

国家863科技项目(2014BAF12B05) （2014BAF12B05）

电焊机

OACSTPCD

ISSN：1001-2303

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