超音速流中の平頭物体に対する近似解析

Material type: 文書・図像類

Author: 関根, 英夫ほか

Publisher: 航空宇宙技術研究所

Publication date: 1982-12

Material Format: Digital

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Note (General)：: A simple estimation of surface pressure distribution for a flat nosed body in supersonic flow is presented in this paper. From the results of experime...

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Material Type: 文書・図像類
Title: 超音速流中の平頭物体に対する近似解析
Author/Editor: 関根, 英夫
谷, 喬
SEKINE, Hideo
TANI, Takashi
Author Heading: 関根, 英夫
谷, 喬
SEKINE, Hideo
TANI, Takashi
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1982-12
Publication Date (W3CDTF): 1982-12
Alternative Title: An Approximate Analysis for Flat Nosed Body in Supersonic Flow(Without Attack Angle)
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-747
No. or year of volume/issue: 747
Volume: 747
Pages: 9-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: jpn
Target Audience: 一般
Note (General): A simple estimation of surface pressure distribution for a flat nosed body in supersonic flow is presented in this paper. From the results of experiments, it is well known that the detached shock wave ahead of the nose surface is a nearly uniform normal shock with a constant detachment distance. Therefore, the subsonic flow field between the shock wave and the nose surface can be approximated by the incompressible potential flow theory. The detachment distance is represented in semi-empirical form, and the results show that the mean outgoing velocity between the shock wave and the nose surface at the edge of the flat nose has a constant value of 0.40a, independent of the free stream Mach number. With a boundary condition based on this constant velocity, the surface pressure distribution around the stagnation point on an arbitrary shape flat nosed body can be calculated, and the results show good agreement with the experimental value. This estimation can be extended to a nose with a small curvature, also.
資料番号: NALTR0747000
レポート番号: NAL TR-747
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