Toru Iwao, Takayuki Ishida, Tatsuya Hayashi,Takahiro Hirano, Masao Endo and Tsuginori Inaba
Department of Electric and Electronic Engineering, Chuo University, Bunkyo 112-855
Calculation of the radiation power emitted from Ar long plasmas produced by a torch has been carried out.
At first, the radial and axial temperature distributions in appearance plasmas have been calculated by using the measured electric field strength and photo-radius. Then, radiation power has been calculated by making use of the radiation power density of high-temperature Ar and then compared with the measured radiation power as a function of plasma length.
(Received July 27, 1998; In Final Form November 27, 1998)
arc, torch plasma, radiation power, plasma length
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