書誌事項
- タイトル別名
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- Characteristics of Fluid Forces Acting on a Rotary Oscillating Rectangular Cylinder. Rectangular Cylinder with Impinging Leading-Edge Vortices.
- カイテン シンドウスル クケイ ダンメンチュウ ニ サヨウスル リュウタイリョ
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説明
Measurements are made of the time-averaged and fluctuating fluid forces, the vortex-shedding frequency and the behavior of the impinging leading-edge vortices of a rectangular cylinder forced into rotary oscillation. The rectangular cylinder having the width-to-height ratio B/H of 3 (H : height of cylinder, B : width of cylinder) in which vortices are formed at the leading edge is adopted. The cylinder is forced into rotary oscillation with angular displacements up to α=±5°and the nondimensional frequency f*H/U0 (f* : frequency of oscillating cylinder, U0 : free-stream velocity)is varied from 0.01 to 0.27, in which the lock-in region is included. It is found that the fluid forces acting on the oscillating rectangular cylinder are strongly dependent on the impinging leading-edge vortices rather than the wake vortices. Also, it is recognized that the fluctuating fluid forces are mainly generated by the phase shift of surface pressure on the basis of the movement of the impinging leading-edge vortices along the side surface.
収録刊行物
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- 日本機械学会論文集B編
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日本機械学会論文集B編 62 (599), 2541-2549, 1996
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001205895854208
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- NII論文ID
- 130004079834
- 110002394967
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
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- NDL書誌ID
- 4003041
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可