Effect of an Optimized Fiber Orientation on Transonic Flutter Characteristics of a High-Aspect-Ratio Composite Wing

Material type: 文書・図像類

Author: 磯貝, 紘二ほか

Publisher: 航空宇宙技術研究所

Publication date: 1987-05

Material Format: Digital

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Note (General)：: The purpose of the present paper is to examine the feasibility of using a direct search method, which does not depend on the flutter velocity derivati...

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Material Type: 文書・図像類
Title: Effect of an Optimized Fiber Orientation on Transonic Flutter Characteristics of a High-Aspect-Ratio Composite Wing
Author/Editor: 磯貝, 紘二
江尻, 宏
菊池, 孝男
山根, 皓三郎
熊倉, 郁夫
外崎, 得雄
峯岸, 正勝
野口, 義男
ISOGAI, Koji
EJIRI, Hiroshi
KIKUCHI, Takao
K., Yamane
KUMAKURA, Ikuo
SOTOZAKI, Tokuo
MINEGISHI, Masakatsu
NOGUCHI, Yoshio
Author Heading: 磯貝, 紘二
江尻, 宏
菊池, 孝男
山根, 皓三郎
熊倉, 郁夫
外崎, 得雄
峯岸, 正勝
野口, 義男
ISOGAI, Koji
EJIRI, Hiroshi
KIKUCHI, Takao
K., Yamane
KUMAKURA, Ikuo
SOTOZAKI, Tokuo
MINEGISHI, Masakatsu
NOGUCHI, Yoshio
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1987-05
Publication Date (W3CDTF): 1987-05
Alternative Title: 高アスペクト比複合材翼の遷音速フラッタ特性に与える繊維方向最適化の効果について
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-930
No. or year of volume/issue: 930
Volume: 930
Pages: 10-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: eng
Target Audience: 一般
Note (General): The purpose of the present paper is to examine the feasibility of using a direct search method, which does not depend on the flutter velocity derivative, in finding the optimum fiber orientations which maximize the flutter velocity of a composite wing. The Sequential Simplex Method, as one candidate for such a method, was aplied to the design of a transonic flutter model of a high-aspect-ratio transport wing, being verified to be very effective in finding the optimum fiber orientation to give the maximum flutter velocity. The experimental verification of this has also been conducted, in the NAL 0.6m×0.6m trasonic blow down tunnel, by flutter tests with two kinds of the models; namely, one with an optimum fiber orientation, and one without. The experimetal results have shown that the flutter velocities of the optimized model are about 60％ higher than those of the non-optimized model over the entire transonic Mach number range tested.
資料番号: NALTR0930000
レポート番号: NAL TR-930
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=45189&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=45189&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