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Bibliographic Record
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- Material Type
- 規格・テクニカルリポート類
- Title
- Author/Editor
- 池川, 昌弘鹿野, 芳雄中野, 晋Ikegawa, MasahiroShikano, YoshioNakano, Susumu
- Publication, Distribution, etc.
- Publication Date
- 1985-11
- Publication Date (W3CDTF)
- 1985-11
- Alternative Title
- Compressible Flow Analysis in Turbomachinery
- Periodical title
- 航空宇宙技術研究所特別資料 = Special Publication of National Aerospace Laboratory SP-5
- No. or year of volume/issue
- 5
- Volume
- 5
- Pages
- 69-76
- ISSN (Periodical Title)
- ISSN : 0289-260X
- Text Language Code
- jpn
- Target Audience
- 一般
- Note (General)
- 出版タイプ： NACompressible flow analysis in turbomachinery is an important engineering problem in improving the performance of these machines. Recent remarkable advances in computer capabilities and solution algorithms enable calculation of complete three-dimensional flows. In this paper, three-dimensional potential flow analysis by the finite element method, and two- and three-dimensional turbulent flow analysis based on the two-equation turbulence model proposed by Launder and Spalding are presented. For potential flow analysis, a nonlinear partial differential equation with respect to velocity potential is formulated by the method of weighted residuals and is solved by the Newton-Raphson method. To calculate turbulent flows in arbitrarily shaped flow regions, a new control volume method combined with the body-fitted curvilinear coordinate system is developed to obtain spatially discretized governing equations. As numerical examples, three-dimensional potential flow in turbine blades and centrifugal compressors, and two- and three-dimensional turbulent flow in turbine nozzles are analysed. These results are compared with experimental data. It is concluded that potential flow analysis can be effectively employed as a design tool for turbomachinery because of its short computing time, and that turbulent flow analysis gives fairly good results and is available for flow prediction under design and off-design conditions in cascades of turbomachinery.資料番号: NALSP0005010レポート番号: NAL SP-5
- 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