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Title
Japanese:アルゴンアークジェットプルームへのN2パフによる窒素分子B, C状態の振動・回転温度 
English:Vibrational and Rotational Temperatures of N2 B and C States Puffed onto Argon Arc Jet Plume 
Author
Japanese: 福川千菜, 根津篤, 赤塚洋.  
English: Senna Fukukawa, Atsushi Nezu, Hiroshi Akatsuka.  
Language Japanese 
Journal/Book name
Japanese:電気学会研究会資料 プラズマ研究会 
English:The Papers of Technical Meeting on "Plasma Science and Technology", IEE Japan 
Volume, Number, Page         pp. 9-14
Published date Aug. 12, 2017 
Publisher
Japanese:電気学会 
English:The Inssitute of Electrical Engineers of Japan 
Conference name
Japanese:電気学会プラズマ研究会 
English:Technical Meeting on "Plasma Science and Technology", IEE Japan 
Conference site
Japanese:名古屋 
English:Nagoya 
Abstract We analyzed the N2 first positive (1PS) and the second positive (2PS) systems by optical emission spectroscopy (OES) when N2 gas is puffed onto the Ar plasma jet. We found that Tv ~ Tr ~ 0.17 eV for C state, while Tv ~ 0.28 – 0.35 eV, Tr ~ 0.038 – 0.050 eV for B state, all of which are determined by fitting the calculated spectrum with those measured experimentally. Since the electron temperature in the observed area is about 0.4 eV, it is naturally considered that the N2 C states are mainly produced by the resonant energy transfer from the Ar metastable to the N2 ground state. It is also considered that similar values of Tv and Tr of the C state are the approximate value of the Ar gas temperature. Meanwhile, the vibrational distribution of the B state shows that the B state is populated not only by the radiative decay of the C state but also from other collisional processes, since the Franck-Condon principle cannot predict the vibrational population of the B state from the C state.

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