An Examination of the Taikoyama Wind Farm Nacelle Separation Accident Using a CFD Approach
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- 内田 孝紀
- 九州大学応用力学研究所
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Because a significant portion of the topography of Japan is characterized by steep, complex terrain, which results in a complex spatial distribution of wind speed, great care is necessary for selecting a site for the construction of wind turbines. We have developed a computational fluid dynamics (CFD) model for unsteady flow called Research Institute for Applied Mechanics, Kyushu University, COMputational Prediction of Airflow over Complex Terrain (RIAM-COMPACT【○!R】). The RIAM-COMPACT【○!R】 CFD model is based on the large-eddy simulation (LES) technique. In this paper, a numerical wind simulation for the Taikoyama Wind Farm is performed using high-resolution terrain elevation data. The results suggest that all six wind turbines at the Taikoyama Wind Farm are subject to significant influence from separated flow (terrain-induced turbulence) which is generated due to the topographical irregularities in the vicinity of the wind turbines. A proposal has been also made on reconstruction of the wind farm.
収録刊行物
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- 九州大学応用力学研究所所報
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九州大学応用力学研究所所報 148 15-24, 2015-03
九州大学応用力学研究所
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詳細情報 詳細情報について
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- CRID
- 1390290699741212032
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- NII論文ID
- 120005663111
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- NII書誌ID
- AA11459359
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- DOI
- 10.15017/1526337
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- HANDLE
- 2324/1526337
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- NDL書誌ID
- 026942981
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- ISSN
- 13455664
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用可