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臨界点近傍流体のピストン効果の直接観察
https://jaxa.repo.nii.ac.jp/records/6226
https://jaxa.repo.nii.ac.jp/records/622616aa9320-ca63-4a2b-906c-c06bde7f4f48
名前 / ファイル | ライセンス | アクション |
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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 | 臨界点近傍流体のピストン効果の直接観察 | |||||
言語 | ||||||
言語 | jpn | |||||
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 | ピストン効果 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 気体膨脹 | |||||
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 | 熱伝達 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音速 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 輸送現象 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 熱拡散 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 微小重力 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 自然対流 | |||||
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 | piston effect | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gas 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 | heat transfer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sound velocity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | transport phenomenon | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | thermal diffusion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | microgravity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | natural convection | |||||
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特別資料: 平成16年度総合技術研究本部宇宙領域宇宙科学研究本部合同研究成果報告書:先行研究等 en : JAXA Special Publication: FY2004 Report of Joint Research Achievements of the Space Division of Institute of Aerospace Technology and Institute of Space and Astronautical Science: Pioneering Research 巻 JAXA-SP-05-011, p. 73-76, 発行日 2006-01-20 |
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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 fluid 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 our study, an ultra-sensitive and high-speed density measurement system was developed to conduct a quantitative measurement of the 'Piston Effect'. By using the system, we succeeded to directly 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. Using the FFT method to the experimental results, 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 profile should have the scale universality. However, the profile from the experimental results obeys another scale universality if T-T(sub c) is less than 0.1 K. These indicate that our experimental system enables us to quantitatively discuss the critical phenomena. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0049057017 | |||||
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-SP-05-011 |