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Measurement of Particle Dynamics in Rapid Granular Shear Flows
https://sucra.repo.nii.ac.jp/records/13391
https://sucra.repo.nii.ac.jp/records/13391d4da914c-1b67-4ee1-9245-653edae4a396
名前 / ファイル | ライセンス | アクション |
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A1002841.pdf (482.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-05-11 | |||||
タイトル | ||||||
タイトル | Measurement of Particle Dynamics in Rapid Granular Shear Flows | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Mahmood, Zafar
× Mahmood, Zafar× Dhakal, Subodh× 岩下, 和義 |
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著者 ローマ字 | ||||||
Mahmood, Zafar | ||||||
著者 ローマ字 | ||||||
Dhakal, Subodh | ||||||
著者 ローマ字 | ||||||
Iwashita, Kazuyoshi | ||||||
著者 所属 | ||||||
著者 所属 | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科環境科学・社会基盤部門 | ||||||
著者 所属(別言語) | ||||||
著者 所属(別言語) | ||||||
著者 所属(別言語) | ||||||
Graduate School of Science and Engineering, Saitama University | ||||||
書誌情報 |
JOURNAL OF ENGINEERING MECHANICS-ASCE 巻 135, 号 4, p. 285-294, 発行日 2009 |
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年月次 | ||||||
2009-4 | ||||||
出版者名 | ||||||
出版者 | American Society of Civil Engineers | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 07339399 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1061/(ASCE)0733-9399(2009)135:4(285) | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Micromechanics of rapid granular flows is studied in a two-dimensional planar granular Couette flow apparatus. The device is capable of generating particulate flows at different shearing rates and solid fractions. Monosize plastic disks are sheared across an annular test section for several shear rates. The motion of particles is recorded through a high speed digital camera and analyzed by image processing techniques. The average and fluctuation velocity profiles are obtained and granular temperature relations with shear rate are investigated. Average streaming velocity across the shear cell decays slightly faster than exponential, and is rather Gaussian when not too close to the wall. Fluctuation velocities and granular temperature across the shear cell are related to effective shear rate. Interparticle collisions are estimated from the particle trajectories and probability distribution of collision angles obtained from particle collision data. In dense flows, three peaks of collision angles are observed, which signal the onset of triangular structure formulation and cause crystallization. It is found that the distribution of collision angles is anisotropic. | |||||
版 | ||||||
[著者版] | ||||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2009-05-11 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002841 |