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Statistical Properties of Small Particle Trajectories in a Fully Developed Turbulent State in He-II
http://hdl.handle.net/2237/0002003802
http://hdl.handle.net/2237/00020038025c43251d-e956-4b4d-965f-f3ad70aeb18d
名前 / ファイル | ライセンス | アクション |
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Item type | itemtype_ver1(1) | |||||||||
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公開日 | 2022-09-20 | |||||||||
タイトル | ||||||||||
タイトル | Statistical Properties of Small Particle Trajectories in a Fully Developed Turbulent State in He-II | |||||||||
言語 | en | |||||||||
著者 |
Kubo, Wataru
× Kubo, Wataru
× Tsuji, Yoshiyuki
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アクセス権 | ||||||||||
アクセス権 | open access | |||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||
権利 | ||||||||||
言語 | en | |||||||||
権利情報 | This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s10909-019-02192-9 | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | Lagrangian velocity | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | Particle size | |||||||||
キーワード | ||||||||||
主題Scheme | Other | |||||||||
主題 | PTV measurement | |||||||||
内容記述 | ||||||||||
内容記述 | Lagrangian trajectories of small particles in a fully developed turbulent state are studied in a rectangular duct. A plate heater is attached on the bottom to generate the thermal counter flow. The bath temperature is changed from 1.7 to 2.1 K and is controlled within 0.1 mK. Small particles made of solid hydrogen are visualized by high-speed camera, and their trajectories are recorded. Their motions indicate complex features depending not only on bath temperature and heater power, but also on particle size. In this study, the Hurst exponent is defined by |x(t+τ)−x(t)|∝τ^H, where x(t) denotes the particle position at time t. It was found that there is a characteristic timescale τ0. For small time separation, τ≤τ0, the exponent H is small. However, for large time separation, τ0≪τ, H is nearly 1. | |||||||||
言語 | en | |||||||||
内容記述タイプ | Abstract | |||||||||
出版者 | ||||||||||
言語 | en | |||||||||
出版者 | Springer | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
資源タイプ | ||||||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||||||
タイプ | journal article | |||||||||
出版タイプ | ||||||||||
出版タイプ | AM | |||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||
関連情報 | ||||||||||
関連タイプ | isVersionOf | |||||||||
識別子タイプ | DOI | |||||||||
関連識別子 | https://doi.org/10.1007/s10909-019-02192-9 | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | PISSN | |||||||||
収録物識別子 | 0022-2291 | |||||||||
書誌情報 |
en : Journal of Low Temperature Physics 巻 196, 号 1-2, p. 170-176, 発行日 2019-07-15 |
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ファイル公開日 | ||||||||||
日付 | 2022-09-20 | |||||||||
日付タイプ | Available |