D122 高周波水中プラズマの分光分布測定(プラズマ利用技術の進展II)

概要

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Distributions of emission intensity from radicals, electron temperature and rotational temperature at a radio frequency of 27.12MHz plasma in water are clarified by detailed spectroscopy measurement. Through this investigation, the following were observed. The points of maximum emission intensity of Hα, Hβ, O(777 nm) and O (845 nm) are almost the same, while that of OH shifts upward. The electron temperature decreases, while the rotational temperature increases with pressure. The distribution of the electron temperature changes at a threshold pressure, which is concerned with a change in the electron discharge mechanism. The point of the maximum rotational temperature of OH radicals shifts to approximately 1 mm above that for the maximum intensity of OH emission.
一般社団法人日本機械学会の論文
2009-11-06