| Item type |
テクニカルレポート / Technical Report(1) |
| 公開日 |
2015-03-26 |
| タイトル |
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|
タイトル |
単原子気体および2原子分子気体の衝撃波後方の非平衡流 |
| 言語 |
|
|
言語 |
jpn |
| 資源タイプ |
|
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_18gh |
|
資源タイプ |
technical report |
| その他のタイトル（英） |
|
|
その他のタイトル |
Nonequilibrium Flows of Monatomic and Diatomic Gases Behind a Normal Shock Wave |
| 著者 |
松崎, 利一
平林, 則明
MATSUZAKI, Riichi
HIRABAYASHI, Noriaki
|
| 著者所属 |
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航空宇宙技術研究所空気力学第一部 |
| 著者所属 |
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航空宇宙技術研究所空気力学第一部 |
| 著者所属（英） |
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|
en |
|
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First Aerodynamics Division, National Aerospace Laboratory(NAL) |
| 著者所属（英） |
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en |
|
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First Aerodynamics Division, National Aerospace Laboratory(NAL) |
| 出版者 |
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出版者 |
航空宇宙技術研究所 |
| 出版者（英） |
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|
出版者 |
National Aerospace Laboratory(NAL) |
| 書誌情報 |
航空宇宙技術研究所報告
en : Technical Report of National Aerospace Laboratory TR-407
巻 407,
p. 22,
発行日 1975-02
|
| 抄録（英） |
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内容記述タイプ |
Other |
|
内容記述 |
One-dimensional, nonequilibrium flow equations for chemically reacting monatomic and diatomic gases behind a strong normal shock wave are formulated and solved numerically. The shock is assumed to have no thickness and the effects of heat conduction, precursor, and radiation are neglected. Firstly, the ionization-recombination nonequilibrium flow of argon is considered. Species energy equations for ions, as well as for electrons, are solved together with a rate equation and macroscopic conservation equations.Degree of ionization, electron number density, temperatures of the atomic, ionic and electronic species, velocity, density and pressure are calculated in the nonequilibrium flow region. The ion temperature is always equal to the atom temperature, and the electron temperature is always lower than those of the atomic and ionic species. Variations of the onset point and properly defined“equilibrium point”with respect to upstream pressure are also investigated. Secondly, coupled ionization-recombination, dissociation-recombination and vibrational nonequilibrium flow of nitrogen is considered. Five species are assumed to exist in the nonequilibrium flow region; N2 N, N2+, N+, and electron. Effects of charge transfer and dissociative recombination are included. An electron energy equation is solved together with species rate equations and macroscopic conservation equations. In contrast to the case of argon, the number densities of N2+, N+, and electron, and the vibrational energy of N2 take their maximal values at some position just downstream of the wave front. The electron temperature is always lower than the heavy particles temperature. Variations of “equilibrium point”with respect to upstream pressure and Mach number is investigated. |
| ISSN |
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収録物識別子タイプ |
ISSN |
|
収録物識別子 |
0389-4010 |
| 資料番号 |
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|
内容記述タイプ |
Other |
|
内容記述 |
資料番号: NALTR0407000 |
| レポート番号 |
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|
内容記述タイプ |
Other |
|
内容記述 |
レポート番号: NAL TR-407 |
naltr00407.pdf (1.4 MB)
