水蒸气等离子弧的光谱诊断  

Study on the spectroscopic diagnosis of water vapor plasma arc

作　　者：涂万鸿[1] 胡绳荪[1] 孟英谦[1] 阮荣南[1] 

机构地区：[1]天津大学材料学院,天津300072

出　　处：《电焊机》2002年第12期13-14,17,共3页Electric Welding Machine

摘　　要：借助自行研制的光谱诊断系统可以对水蒸气等离子弧温度和成分进行光谱诊断,以诊断结果为依据,并根据局部热力学平衡状态列出方程,进而探讨水蒸气等离子弧电弧机理与特性。通过对具有高氢高氧高焓特征的水蒸气等离子弧的研究,丰富了电弧物理理论,并对水蒸气等离子弧电弧的应用前景具有指导意义。By means of specific spectroscopic apparatus,it can be measured the temperature and component of water vapor plasma arc.According to the result of the spectroscopic diagnosis of the local thermodynamic equilibrium,the mechanisms and characters are demonstrated in the dissertation.Basd on the spectroscopic diagnosis in the water vapor arc plasma with high hydrogen,high oxygen and high enthalpy,it has contribution to arc physic knowledge and is of great significance for the applications of water vapor plasma arc.

关 键 词：水蒸气等离子弧 光谱诊断 机理 特性 

分 类 号：TG439.9[金属学及工艺—焊接]