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- 岡本 覚
- 新居浜工業高等専門学校機械工学科
書誌事項
- タイトル別名
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- The effects of sound waves on the near wake of a heated circular cylinder. Appropriateness for the Reynolds number used the fluid kinematic viscosity in the film temperature.
- カネツ エンチュウ キンボウ コウリュウ ニ オヨボス オンパ ノ エイキョウ
- Appropriateness for the Reynolds Number Used the Fluid Kinematic Viscosity in the Film Temperature
- 膜温度の動粘性係数を使ったレイノルズ数の妥当性について
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説明
An experimental investigation has been carried out to study acoustic interferences in vortex-shedding from a heated circular cylinder in a crossflow subjected to the acoustical vibrations whose direction is normal to the axis of the cylinder, and in particular, to inspect the appropriateness for the Reynolds number (Re*) used the fluid kinematic viscosity in the film temperature. The results indicate that the acoustic frequencies which produce powerful effects on vortex-shedding from the heated circular cylinder correspond to the frequencies of laminar-turbulent transition wave in a separated shear layer from an isothermal circular cylinder over the Re* range. The effects of the acoustical vibrations are similar to the effects of the acoustical vibrations directed along the axis of the cylinder on the vortex-shedding, and their vibrations bring the vortex region formed in the wake close to the cylinder surface, and increase the spanwise correlation of the wake.
収録刊行物
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- 日本航空宇宙学会誌
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日本航空宇宙学会誌 37 (422), 135-143, 1989
一般社団法人 日本航空宇宙学会
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詳細情報 詳細情報について
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- CRID
- 1390001204506502016
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- NII論文ID
- 130003958776
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- NII書誌ID
- AN00189072
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- ISSN
- 24241369
- 00214663
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- NDL書誌ID
- 3215519
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- 本文言語コード
- ja
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- JaLC
- NDLサーチ
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