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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 久保田, 悠斗井口, 喜一郎塩田, 謙人伊里, 友一朗三宅, 淳巳KUBOTA, YutoIGUCHI, KiichiroSHIOTA, KentoIZATO, YuichiroMIYAKE, Atsumi
- Author Heading
- Publication, Distribution, etc.
- Publication Date
- 2022-02-04
- Publication Date (W3CDTF)
- 2022-02-04
- Alternative Title
- Effect of Evaporation on the Condensed-phase Reaction Behavior of Ammonium Dinitramide
- Periodical title
- 宇宙航空研究開発機構研究開発報告: 高エネルギー物質研究会: 令和3年度研究成果報告書 = JAXA Research and Development Report: Technical Report of The Research Activity for High Energy Materials (2021)
- No. or year of volume/issue
- JAXA-RR-21-002
- Volume
- JAXA-RR-21-002
- Pages
- 18-21
- ISSN (Periodical Title)
- ISSN : 2433-2216
- Text Language Code
- jpn
- Target Audience
- 一般
- Note (General)
- 出版タイプ： VoR高エネルギー物質 (HEMs: High Energetic Materials) は多くのエネルギーを保有する化学物質であり爆薬や推進剤，火工品として利用される．HEMs の安全な取扱いに向け化学的・物理的特性を十分に理解する必要がある．既往研究では，気相・凝縮相反応モデルを構築することで化学反応メカニズムの解明が進められてきた．一方，化学反応のみでモデルを構築しているため物理現象がモデル内に取り込まれておらず，物理現象が化学反応の発熱・吸熱挙動や重量減少挙動等の熱挙動に与える影響が明らかになっていない．本研究では化学反応の一つである凝縮相反応の重量減少挙動に与える蒸発の影響解析を目的とした．まず，凝縮相反応機構に蒸発現象を取り込み新たなモデルを構築した． 対象物質には，次世代推進剤として注目されているアンモニウムジニトラミド (ADN) を選定した．構築したモデルのシミュレーション結果からADN の凝縮相反応における重量減少挙動を算出し、既往の凝縮相反応モデルのシミュレーション結果と比較した． その結果，蒸発が凝縮相反応により生成する化学種の生成量に影響することを明らかにし，ADN の凝縮相反応メカニズム解明に資する知見が得られた．High energetic materials (HEMs) are chemical substances that possess a large amount of energy for explosives, propellants, and pyrotechnics. Safe treatment of HEMs requires a deep understanding of its chemical and physical properties. In previous studies, the chemical reaction mechanism has been clarified by constructing model with gas-phase and condensed-phase reaction. The model is based on chemical reactions without physical phenomena. The effect of physical phenomena on the chemical reaction behavior has not yet been clarified. The purpose of this study is to analyze the effect of evaporation on the condensed-phase reaction. The evaporation model was incorporated into the existing condensed phase reaction model. Ammonium dinitramide (ADN), which is attracting attention as a next-generation propellant, was selected as the target material. The mass loss behavior of ADN during the condensed-phase reaction process was calculated from the simulation results of the constructed model and compared. As a result, it was clarified that evaporation affects the condensed-phase reaction behavior of ADN by variations in the ADN decomposition species over time, which contributes to the elucidation of the condensed-phase reaction mechanism of ADN.形態: カラー図版ありPhysical characteristics: Original contains color illustrations資料番号: AA2130019005レポート番号: JAXA-RR-21-002
- DOI
- 10.20637/00048272
- 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）
- 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