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臨界流体のピストン効果直接観察
https://jaxa.repo.nii.ac.jp/records/2690
https://jaxa.repo.nii.ac.jp/records/2690eac136b1-dcd8-43bc-9275-16d21b283a45
名前 / ファイル | ライセンス | アクション |
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48129026.pdf (1.3 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 臨界流体のピストン効果直接観察 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 直接観察 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ピストン効果 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 臨界点 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 熱エネルギー | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 膨張 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 断熱圧縮 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値シミュレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | FFT | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | direct observation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | piston effect | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | critical point | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | thermal energy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | expansion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | adiabatic compression | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | FFT | |||||
資源タイプ | ||||||
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 | Direct observation of Piston Effect in a critical fluid | |||||
著者 |
大西, 充
× 大西, 充× 吉原, 正一× 桜井, 誠人× Onishi, Mitsuru× Yoshihara, Shoichi× Sakurai, Masato |
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著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構研究開発資料: 平成15年度総合技術研究本部宇宙領域研究成果報告書:先行研究等 en : JAXA Research and Development Memorandum: FY15 Annual Report of Research & Development on Space Technology in the Institute of Space Technology and Aeronautics: Advanced Technology 巻 JAXA-RM-04-011, p. 129-134, 発行日 2004-10-29 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Thermal energy applied to a pure material near its critical point immediately makes a strong expansion. This causes an adiabatic compression in the front of the expansion and a large density difference is formed there. The difference with adiabatic energy is transported as an acoustic wave. This rapid heat transportation is called Piston Effect. In the present study, an ultra-sensitive and high-speed density measurement system was developed to observe the elementary process of Piston Effect. To demonstrate the performance of the system, the measurement of sound velocity in a critical fluid was conducted. Numerical simulations were also made to confirm the experimental results. Using the FFT method to both of the experiment and the simulation, the sound velocity could be precisely evaluated. The velocity profile versus temperature from the experimental results shows a good agreement with the simulation results and theoretical prediction, that is, the velocity rapidly decreases as the fluid approaches its critical point. This indicates that the present experiments and simulations complementally enable quantitative discussion of the critical phenomena. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-1121 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11983593 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0048129026 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-RM-04-011 |