書誌事項
- タイトル別名
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- ON THE FREQUENCY EFFECT OF TURBULENCE FOR TORSIONAL FLUTTER
- ネジレ フラッター ニ タイスル ミダレ ノ シュウハスウ コウカ ニ カンス
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In this study, the effects of turbulence on “Torsional Flutter” of 2-D H-section cylinders with some slenderness ratios (3≤B/D<10, B: chord length, D: height of section) were experimentaly investigated from the frequency effect of turbulence point of view in smooth flow, grid-turbulent flow and a sinusoidal fluctuating flow. In conclusion it was clarified that the higher frequency fluctuating components of turbulence amplifies the entrainment effect of separated shear layer around comparatively bluff body such as B/D<5.5, on the other hand, comparatively low frequency fluctuating components of turbulence which is the specified frequency region subject to “shear layer instability enhancement frequency region”, can significantly affect torsional flutter of comparatively slender body such as B/D≥5.5.
収録刊行物
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- 土木学会論文集
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土木学会論文集 1990 (416), 235-244, 1990-04-20
公益社団法人 土木学会
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詳細情報 詳細情報について
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- CRID
- 1390282680285620864
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- NII論文ID
- 130003799858
- 40004507154
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- NII書誌ID
- AN10014020
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- ISSN
- 18827187
- 02897806
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- NDL書誌ID
- 3663899
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