Title :
The type and extent of non-LTE in argon arcs at 0.1-10 bar
Author :
Eddy, T.L. ; Sedghinasab, Ahad
Author_Institution :
Sch. of Mech. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
fDate :
8/1/1988 12:00:00 AM
Abstract :
A 30-A, 3-mm-diameter, wall-stabilized argon arc with 1% hydrogen is examined spectrometrically at pressures of 0.1-10 bar. Values of Tg, and Texa diverge as pressure decreases below 5 bar (ne⩽1×1017 cm-3) at r=0. Texβ is 20-40% larger than the other temperatures. The results are dependent on the transition probability scale used
Keywords :
arcs (electric); argon; plasma diagnostics; 0.1 to 10 bar; 3 mm; 30 A; Ar arcs; nonlocal thermodynamic equilibrium; pressure; spectrometry; transition probability scale; wall stabilised arc; Argon; Electron emission; Energy measurement; Hydrogen; Land surface temperature; Plasma temperature; Space technology; Spectroscopy; Stationary state; Temperature distribution;
Journal_Title :
Plasma Science, IEEE Transactions on
