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吹雪浮遊層における雪粒子の乱流拡散係数 (小林俊一教授退官記念号)
http://hdl.handle.net/10191/39258
http://hdl.handle.net/10191/3925817185d81-f792-440f-8fee-207b3b8b1c16
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2016-03-08 | |||||
タイトル | ||||||
タイトル | 吹雪浮遊層における雪粒子の乱流拡散係数 (小林俊一教授退官記念号) | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | 吹雪浮遊層における雪粒子の乱流拡散係数 (小林俊一教授退官記念号) | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Drifting snow | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Suspension layer | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Random-flight model | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Turbulent diffusion theory | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Particle eddy diffusivity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 吹雪 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 浮遊層 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ランダムフライトモデル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱流拡散理論 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 粒子拡散係数 | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
その他のタイトル | ||||||
その他のタイトル | Particle eddy diffusivity for suspended drifting snow | |||||
著者 |
根本, 征樹
× 根本, 征樹× 西村, 浩一× 小林, 俊一× 和泉, 薫 |
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著者別名 | ||||||
識別子 | 160764 | |||||
識別子Scheme | WEKO | |||||
姓名 | Nemoto, Masaki | |||||
著者別名 | ||||||
識別子 | 160765 | |||||
識別子Scheme | WEKO | |||||
姓名 | Nishimura, Kouichi | |||||
著者別名 | ||||||
識別子 | 160766 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kobayashi, Shun'ichi | |||||
著者別名 | ||||||
識別子 | 160767 | |||||
識別子Scheme | WEKO | |||||
姓名 | Izumi, Kaoru | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The eddy diffusivity for suspended snow particles in the turbulent boundary layer has been estimated from a numerical model of drifting snow. The model can calculate each particle trajectory over a flat and uniform snow, under a steady wind with turbulence, modeled by a random-flight model. Hence, unlike another numerical methods, the transition process between saltation and suspension can be strictly treated in the model. In the calculation of particle eddy diffusivity, the calculated effective settling velocity and concentration for particles has been fitted with the power law given by the standard turbulent diffusion theory. The estimated eddy diffusivity for the particles shows a significant decrease from the eddy viscosity, particularly at high positions (~10m). | |||||
書誌情報 |
新潟大学積雪地域災害研究センター研究年報 en : 新潟大学積雪地域災害研究センター研究年報 巻 25, p. 33-39, 発行日 2003-12 |
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出版者 | ||||||
出版者 | 新潟大学積雪地域災害研究センター | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03877892 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00183327 | |||||
著者版フラグ | ||||||
値 | publisher |