二次元的な境界層はく離流れに潜在する初期の三次元渦構造 : 円柱上層流境界層はく離のはく離域側からの可視化観測 (新編集方針に基づく論文)
二次元的な境界層はく離流れに潜在する初期の三次元渦構造 : 円柱上層流境界層はく離のはく離域側からの可視化観測 (新編集方針に基づく論文)
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二维边界层分离流中潜在的初始三维涡结构:从柱状上层边界层分离的分离区域侧进行目视观察(基于新编辑方针的论文)
DOI:
10.1299/kikaib.57.3273
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发表时间:
1991
期刊:
影响因子:
--
通讯作者:
喬司 亀本
中科院分区:
文献类型:
--
作者:
嘉文 横井;喬司 亀本
Although it is generally known that the Karman vortex street consists of large-scale vortex structures with three-dimensional characteristics, the causes of three-dimensional instability have not yet been elucidated. In this study, the flow of the separated region over a circular cylinder was observed by using the laser light sheet technique in the Reynolds number range of 230 to 1340 in a towing water tank. As a result, it was determined that the three-dimensional features of laminar boundary layer separation over a circular cylinder were characterized by the recirculating flow in the separated region. The relationship between three-dimensional instability and Reynolds number was investigated.