翼端間隙を有する翼列内の流れの数値解析

Material type: 文書・図像類

Author: 渡辺, 紀徳ほか

Publisher: 航空宇宙技術研究所

Publication date: 1989-11

Material Format: Digital

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Note (General)：: The three-dimensional flow field through a linear cascade with tip clearance was numerically studied by solving Navier-Stokes equations. A fundamental...

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Material Type: 文書・図像類
Title: 翼端間隙を有する翼列内の流れの数値解析
Author/Editor: 渡辺, 紀徳
金沢, 功
野崎, 理
田村, 敦宏
Watanabe, Toshinori
Kanazawa, Isao
Nozaki, Osamu
Tamura, Atsuhiro
Author Heading: 渡辺, 紀徳
金沢, 功
野崎, 理
田村, 敦宏
Watanabe, Toshinori
Kanazawa, Isao
Nozaki, Osamu
Tamura, Atsuhiro
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1989-11
Publication Date (W3CDTF): 1989-11
Alternative Title: A Numerical Analysis of the Flow in a Cascade with Tip Clearance
Periodical title: 航空宇宙技術研究所特別資料 = Special Publication of National Aerospace Laboratory SP-10
No. or year of volume/issue: 10
Volume: 10
Pages: 141-146
ISSN (Periodical Title): ISSN : 0289-260X
Text Language Code: jpn
Target Audience: 一般
Note (General): The three-dimensional flow field through a linear cascade with tip clearance was numerically studied by solving Navier-Stokes equations. A fundamental cascade model composed of flat plates, on which corresponding experimental data were available, was adopted to develop the appropriate solution method for the flow through the tip clearance. Computational grid was generated by a zonal method. Two-dimensional C-type grids were made around blades and stacked from the hub wall to the tip wall. The region between the tip surface of the blade and the tip wall was filled with H-type grids. The computed normal force distributions on blades and velocity vectors in the downstream flow field showed good qualitative agreement with the experimental data. The detailed flow phenomena around the blade tip, such as the formation of separation bubbles on the tip surface, were clearly diescribed. The spanwise distributions of the normal force on the blade were investigated for various tip clearances, and it was found that the normal force on the extremity of the blade did not diminish in the case of small clearances of less than 0.6% of the blade span because of the blockage of leakage flow due to the effect of viscosity.
資料番号: NALSP0010024
レポート番号: NAL SP-10
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43353&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43353&item_no=1&attribute_id=31&file_no=1
Access Restrictions: 限定公開
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）
https://irdb.nii.ac.jp
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