Title :
Radiation power emitted from Ar torch short plasma as a function of input power
Author :
Iwao, Toru ; Miyazaki, Hirokazu ; Inaba, Tsuginori
Author_Institution :
Inst. of Sci. & Eng., Chuo Univ., Tokyo, Japan
Abstract :
We measured the radiation power emitted from a plasma torch as a function of the electric input power. The radiation power was measured to be 700~1500 W for the input power of 4400~7000 W and increased in proportion to the 1.83th power of the current or to near 1.55th power of the input power. Therefore, the radiation power increases steeply with the input power. The radiation efficiency for a wall-stabilized arc model was 41% in a condition of 2 cm in the appearance plasma length, 150 A in current and 7000 W in input power
Keywords :
argon; plasma diagnostics; plasma torches; 150 A; 2 cm; 41 percent; 4400 to 7000 W; 700 to 1500 W; Ar; Ar torch short plasma; input power; plasma length; radiation efficiency; radiation power measurement; wall-stabilized arc model; Anodes; Argon; DC generators; Electrodes; Plasma chemistry; Plasma materials processing; Plasma measurements; Plasma sources; Power generation; Power measurement;
Conference_Titel :
Power Engineering Society Summer Meeting, 2000. IEEE
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-6420-1
DOI :
10.1109/PESS.2000.866948
