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5. A Model of the Bottom Boundary Layer in Water Waves
https://doi.org/10.15083/0000033463
https://doi.org/10.15083/0000033463615eeb2b-6bfb-4587-ba71-6ad0c9a7106c
名前 / ファイル | ライセンス | アクション |
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ji0461005.pdf (2.4 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-30 | |||||
タイトル | ||||||
タイトル | 5. A Model of the Bottom Boundary Layer in Water Waves | |||||
言語 | en | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15083/0000033463 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | 5.波に伴なう水底摩擦境界層について | |||||
著者 |
Kajiura, Kinjiro
× Kajiura, Kinjiro |
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著者別名 | ||||||
識別子 | 130705 | |||||
識別子Scheme | WEKO | |||||
姓名 | 梶浦, 欣二郎 | |||||
著者所属 | ||||||
著者所属 | Earthquake Research Institute | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | On the basis of an eddy viscosity assumption compatible with the two-layer model (wall and defect layers) of the turbulent boundary layer, a method of calculating various characteristics of the wave boundary layer, such as the friction coefficient, universal profiles of the stress and velocity in the defect layer have been developed. Numerical results show that amplitude and phase of the friction coefficient increase with the decrease of the amplitude of the reference velocity and/or the period of wave. The criteria for the smooth-rough and laminar-turbulent transitions are also suggested from the analogy to the case of steady flow. Most of the experimental data on the friction coefficint and the. velocity profile in a wave boundary layer seem to be favorably compared with the prediction derived from the present model.|水粒子の周期運動によって水底に生ずる乱流境界層に関して,前論文(梶浦,1964)では,摩擦層が水面に及ぶ様な周期の長い波の場合を主として取扱ったが,ここでは境界層厚が水深にくらべて小さい場合を考える. | |||||
書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 46, 号 1, p. 75-123, 発行日 1968-03-19 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00408972 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00162258 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
日本十進分類法 | ||||||
主題 | 453 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | 東京大学地震研究所 | |||||
出版者別名 | ||||||
Earthquake Research Institute, University of Tokyo |