Stepwise Excitation and Local Thermodynamic Equilibrium on Excited Hydrogen Levels in Helium-Hydrogen Plasma behind Shock Front
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- Fukuda Kuniya
- Department of Mechanical Engineering II, Faculty of Engineering, Kyoto University
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- Sugiyama Ikuto
- Department of Mechanical Engineering II, Faculty of Engineering, Kyoto University
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- Okasaka Rei
- Department of Mechanical Engineering II, Faculty of Engineering, Kyoto University
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説明
The calculation is carried out on the ionization relaxation as well as on the time developments of population densities of excited hydrogen levels for helium-atomic hydrogen mixtures (H: 0∼3 atomic %) behind the reflected shock front under the conditions of the experiment with an electromagnetic T-tube conducted by the present authors.<BR>The result gives the shortening of ionization relaxation time depending on mixing ratio of hydrogen and the characteristic initial hump in time development of population density, which is remarkable for low-lying excited levels of hydrogen in a mixture of low hydrogen mixing ratio. The temporal changes of the population and depopulation rates in the relaxation zone are presented for several excited hydrogen levels so that the existence of stepwise excitation between the coronal equilibrium and LTE is illustrated and the validity criterion is proposed for the establishment of LTE.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 35 (4), 1202-1211, 1973
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679171072256
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- NII論文ID
- 110001979811
- 210000083873
- 130003736004
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1973JPSJ...35.1202F
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- COI
- 1:CAS:528:DyaE3sXlt12guro%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7669233
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可