JAXA Repository / AIREX 未来へ続く、宙(そら)への英知
63502000.pdf2.07 MB
titleDirect simulation Monte Carlo study of rotational relaxation of nitrogen using classical trajectory calculations and modified statistical inelastic cross-section model
Other TitleDirect simulation Monte Carlo study of rotational relaxation of nitrogen using classical trajectory calculations and modified statistical inelastic cross-section model
Author(jpn)古浦 勝久; 中村 絹代; 溝渕 泰寛
Author(eng)Koura, Katsuhisa; Nakamura, Kinuyo; Mizobuchi, Yasuhiro
Author Affiliation(jpn)宇宙航空研究開発機構 総合技術研究本部; 宇宙航空研究開発機構 総合技術研究本部; 宇宙航空研究開発機構 総合技術研究本部
Author Affiliation(eng)Japan Aerospace Exploration Agency Institute of Aerospace Technology; Japan Aerospace Exploration Agency Institute of Aerospace Technology; Japan Aerospace Exploration Agency Institute of Aerospace Technology
Issue Date2007-07-31
PublisherJapan Aerospace Exploration Agency (JAXA)
宇宙航空研究開発機構
Publication date2007-07-31
Languageeng
AbstractDirect Simulation Monte Carlo (DSMC) calculations of the rotational relaxation of nitrogen in an isothermal bath and through a normal shock wave are performed using Classical Trajectory Calculations (CTC) and an improved intermolecular potential in order to make a physically accurate database for the assessment and improvement of DSMC rotational relaxation models. The Statistical Inelastic Cross-Section (SICS) model is modified by taking the total scattering cross section as the Variable Soft Sphere (VSS) cross section and calibrated so that the rotational temperature relaxation in an isothermal bath compares reasonably with the CTC-DSMC data over an appropriate range of bath temperatures. The Modified SICS (MSICS) model is applied to the DSMC calculation of the rotational relaxation of nitrogen through a normal shock wave. Comparisons of the MSICS results with the CTC-DSMC data and experimental measurements indicate that the MSICS model improves the physical accuracy of the SICS model.
DescriptionJAXA Research and Development Report
宇宙航空研究開発機構研究開発報告
Keywordsnitrogen; rotational relaxation; molecular excitation; molecular dynamics; direct numerical simulation; Monte Carlo method; normal shock wave; inelastic collision; Boltzmann distribution; 窒素; 回転緩和; 分子励起; 分子動力学; 直接数値シミュレーション; モンテカルロ法; 垂直衝撃波; 非弾性衝突; ボルツマン分布
Document TypeTechnical Report
JAXA Category研究開発報告
ISSN1349-1113
SHI-NOAA0063502000
Report NoJAXA-RR-07-001E
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/36702


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.