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Bibliographic Record
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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 山本, 稀義細川, 巌Yamamoto, KiyoshiHosokawa, Iwao
- Author Heading
- Publication, Distribution, etc.
- Publication Date
- 1987-11
- Publication Date (W3CDTF)
- 1987-11
- Alternative Title
- Numerical Simulation of Transition to Turbulence in Plane Poiseuille Flow by a Spectral Method
- Periodical title
- 航空宇宙技術研究所特別資料
- No. or year of volume/issue
- 8
- Volume
- 8
- Pages
- 217-224
- ISSN (Periodical Title)
- ISSN : 0289-260X
- Text Language Code
- jpn
- Target Audience
- 一般
- Note (General)
- Direct numerical simulation of the transition process from laminar to tubulent plane Poiseuille flow is carried out using a new computing method derived from the Fourier spectral method. The subcritical nonlinear instability for a three-dimensional small disturbance, which is induced by the basic flow plus the two-dimensional finite amplitude T-S wave, is investigated at a Reynolds number, 5000. The two distinct secondary instability mechanisms, the peak-valley splitting and the resonance interaction between T-S wave and a pair of subharmonic oblique waves, are obtained depending on a slight difference being in the initially given three-dimensional small disturbances. The mechanisms correspond to the experimental observation in the boundary layer on a flat plate. The transition is accelerated by the growing three-dimensional disturbances and the turbulent flow obtained agrees well with the experimental observation.資料番号: NALSP0008031レポート番号: NAL SP-8
- Access Restrictions
- インターネット公開
- Periodical Title (NCID)
- AN10097345
- Data Provider (Database)
- 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
- Original Data Provider (Database)
- 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ