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

Material type: 文書・図像類

Author: 松崎, 利一ほか

Publisher: 航空宇宙技術研究所

Publication date: 1975-02

Material Format: Digital

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Note (General)：: One-dimensional, nonequilibrium flow equations for chemically reacting monatomic and diatomic gases behind a strong normal shock wave are formulated a...

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Material Type: 文書・図像類
Title: 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
Author/Editor: 松崎, 利一
平林, 則明
MATSUZAKI, Riichi
HIRABAYASHI, Noriaki
Author Heading: 松崎, 利一
平林, 則明
MATSUZAKI, Riichi
HIRABAYASHI, Noriaki
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1975-02
Publication Date (W3CDTF): 1975-02
Alternative Title: Nonequilibrium Flows of Monatomic and Diatomic Gases Behind a Normal Shock Wave
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-407
No. or year of volume/issue: 407
Volume: 407
Pages: 22-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: jpn
Target Audience: 一般
Note (General): 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.
資料番号: NALTR0407000
レポート番号: NAL TR-407
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=44655&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=44655&item_no=1&attribute_id=31&file_no=1
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ