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Numerical study on mountain waves generated by a two-dimensional mountain and their effect on the transport of Yellow Sand
http://hdl.handle.net/2297/3730
http://hdl.handle.net/2297/373009302a68-45d2-4716-ac7b-1a8f5e2b075c
名前 / ファイル | ライセンス | アクション |
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TE-PR-UTANOHAR-Y-576.pdf (1.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-05 | |||||
タイトル | ||||||
タイトル | Numerical study on mountain waves generated by a two-dimensional mountain and their effect on the transport of Yellow Sand | |||||
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 |
Utanohara, Yoichi
× Utanohara, Yoichi× Kimura, Shigeo× Kiwata, Takahiro |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学自然計測応用研究センター | |||||
書誌情報 |
JSME International Journal, Series B: Fluids and Thermal Engineering 巻 49, 号 3, p. 576-582, 発行日 2006-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1340-8054 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1299/jsmeb.49.576 | |||||
出版者 | ||||||
出版者 | 日本機械学会 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We have studied the effect of ground topography, focusing on mountain waves, on the transport of Yellow Sand by two-dimensional numerical simulation. An advection-diffusion equation for scalar concentration is solved to simulate the transport of Yellow Sand. Two different models are employed: the first is a one-layer model in which the density gradient is constant in the entire domain, and the other is a two-layer model in which the density gradient changes at an altitude of 11 km. In the both models stream lines at high altitude descend greatly toward the ground along the lee side of the mountain as the atmospheric stability increases. However, in the two-layer model, trapped mountain waves become stronger than those in the one-layer model, and rotors are also generated on the ground. These become stronger for larger mountain width, and the scalar concentration rapidly diffuses there. It is found that the ground scalar concentrations for the two-layer model are generally much larger, especially in the rotors, compared with those in the one-layer model. | |||||
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 |