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海氷の層状微視組織形成のボロノイダイナミクスシミュレーション
https://kitami-it.repo.nii.ac.jp/records/8028
https://kitami-it.repo.nii.ac.jp/records/802827b000d6-4e33-476f-8b1b-ae81bfbd63b0
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-11-27 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | 海氷の層状微視組織形成のボロノイダイナミクスシミュレーション | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Voronoi Dynamics Simulation of Development of Lamellar Microstructure in Sea Ice | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Sea Ice | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Crystal Growth | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Microstructure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Brine Region | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ice Platelet | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
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 | |||||
その他のタイトル | ||||||
その他のタイトル | Voronoi Dynamics Simulation of Development of Lamellar Microstructure in Sea Ice | |||||
著者 |
河野, 義樹
× 河野, 義樹× 大橋, 鉄也 |
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著者別名 | ||||||
姓名 | KAWANO, Yoshiki | |||||
言語 | en | |||||
著者別名 | ||||||
姓名 | OHASHI, Tetsuya | |||||
言語 | en | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Developments of sea ice polycrystals from the sea surface are simulated in two-dimensional approximation by combining numerical methods for crystal growth, salinity diffusion and flux of heat. An anisotropic growth of ice crystals from a number of nuclei and their mutual impingements are numerically reproduced by a simple and novel technique, named Voronoi dynamics. Discharge of salt from solidified region and salinity condensation at the solid-liquid interface are also taken into consideration. Diffusion process of salinity and heat flux are evaluated by solving equations for diffusion and heat conduction, and growth of ice crystals is affected by these two factors. Results show that a layer of granular grains is formed near the sea surface and columnar shaped grains develop below it. Brine regions are mainly formed along grain boundaries in the layer of granular grains. In the region of columnar shaped grains, brine regions exist not only along grain boundaries but also inside grains. Columnar shaped crystal grains consist of ice platelets growing in the vertical direction and brine layers between them. These microstructural features are in accordance with experimental observations. | |||||
書誌情報 |
日本機械学會論文集. A編 巻 74, 号 743, p. 946-953, 発行日 2008-07 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.1299/kikaia.74.946 | |||||
権利 | ||||||
権利情報 | c 2008 一般社団法人日本機械学会 | |||||
出版者 | ||||||
出版者 | 一般社団法人日本機械学会 | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |