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  1. 防災科研関係論文

円柱まわりの流れの三次元数値シミュレーション 第2報 三次元流れの可視化

https://nied-repo.bosai.go.jp/records/5144
https://nied-repo.bosai.go.jp/records/5144
e4aec8b4-e23a-4edc-a2bd-7b251413e5d0
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 ja
タイトル 円柱まわりの流れの三次元数値シミュレーション 第2報 三次元流れの可視化
タイトル
言語 en
タイトル Numerical simulation of 3D flow around a circular cylinder (Part 2, visualization of three dimensional flow)
言語
言語 jpn
著者 木枝 香織

× 木枝 香織

ja 木枝 香織

en Kaori Kieda

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谷口 伸行

× 谷口 伸行

ja 谷口 伸行

en Nobuyuki Taniguchi

Search repository
松宮 輝

× 松宮 輝

ja 松宮 輝

en Hikaru Matsumiya

Search repository
小林 敏雄

× 小林 敏雄

ja 小林 敏雄

en Toshio Kobayashi

Search repository
抄録
内容記述タイプ Other
内容記述 Three dimensional flow field around a circular cylinder was analyzed by using a third-order upwind finite-difference method for Reynolds number-1000. Instantaneous flow fields were visualized and investigated in relation to the analysis of time and space correlation reported previously. It was found that beat frequency of drag force corresponds to the phenomena that the streamwise position of Karman vortex near wake moves back and forth. Streamwise vortex pairs around separation line deform primary vortices in the near wake and made secondary streamwise vortices. The three dimensional vortices around separation line influence the separation angle.
言語 ja
抄録
内容記述タイプ Other
内容記述 Three dimensional flow field around a circular cylinder was analyzed by using a third-order upwind finite-difference method for Reynolds number-1 000. Instantaneous flow fields were visualized and investigated in relation to the analysis of time and space correlation reported previously. It was found that beat frequency of drag force corresponds to the phenomena that the streamwise position of Kármán vortex near wake moves back and forth. Streamwise vortex pairs around separation line deform primary vortices in the near wake and made secondary streamwise vortices. The three dimensional vortices around separation line influence the separation angle.
言語 en
書誌情報 ja : 日本機械学会論文集B編
en : Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B

巻 64, 号 622, p. 1725-1731
出版者
言語 ja
出版者 一般社団法人 日本機械学会
出版者
言語 en
出版者 The Japan Society of Mechanical Engineers
ISSN
収録物識別子タイプ ISSN
収録物識別子 0387-5016
DOI
関連識別子 10.1299/kikaib.64.1725
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