書誌事項
- タイトル別名
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- COMPARISON OF LES AND DURBIN TYPE k-ε MODEL FOR GAS DIFFUSION IN WEAK WIND REGION BEHIND A BUILDING
- コウソウ タテモノ コウリュウ ジャクフウイキ ニ オケル ガス カクサン セイジョウ ニ カンスル LES ト Durbinガタ k イプシロン モデル ノ ヒカク
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Flow and diffusion fields around a building were predicted by LES and Durbin type k-ε model. The prediction accuracy of the both models was assessed by comparing their results with those obtained by wind tunnel test. The results of LES showed good agreement with experimental data in terms of mean wind velocity, turbulence statistics and mean gas concentration, while the significant differences were observed between the results of the experiment and the Durbin type k-ε model concerning the flow and diffusion fields in the wake region behind the building. This is mainly due to the fact that the periodic motions caused by the vortex shedding were not reproduced by this model.
収録刊行物
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- 日本建築学会環境系論文集
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日本建築学会環境系論文集 73 (627), 615-622, 2008
日本建築学会
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詳細情報 詳細情報について
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- CRID
- 1390282680177420288
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- NII論文ID
- 110006664751
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- NII書誌ID
- AA11830377
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- ISSN
- 1881817X
- 13480685
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- NDL書誌ID
- 9503377
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- データソース種別
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- JaLC
- NDL
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- KAKEN
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- 抄録ライセンスフラグ
- 使用不可