ジェットノズルの箱型模型実験

Material type: 文書・図像類

Author: 坂口, 一ほか

Publisher: 航空宇宙技術研究所

Publication date: 1973-06

Material Format: Digital

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Note (General)：: The aim of this experiment is to observe phenomena in the flow-field in jet engine exhaust nozzle.Experiments were carried out with the box-type model...

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Material Type: 文書・図像類
Title: ジェットノズルの箱型模型実験
Author/Editor: 坂口, 一
近藤, 博
高森, 晋
岩下, 敬吾
SAKAGUCHI, Hajime
KONDO, Hiroshi
TAKAMORI, Susumu
IWASHITA, Keigo
Author Heading: 坂口, 一
近藤, 博
高森, 晋
岩下, 敬吾
SAKAGUCHI, Hajime
KONDO, Hiroshi
TAKAMORI, Susumu
IWASHITA, Keigo
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1973-06
Publication Date (W3CDTF): 1973-06
Alternative Title: Some Experiments on Lift Engine Exhaust Nozzle with Box-Type Models
Periodical title: 航空宇宙技術研究所資料 = Technical Memorandum of National Aerospace Laboratory
No. or year of volume/issue: 244
Volume: 244
Pages: 35-
ISSN (Periodical Title): ISSN : 0452-2982
Text Language Code: jpn
Target Audience: 一般
Note (General): The aim of this experiment is to observe phenomena in the flow-field in jet engine exhaust nozzle.Experiments were carried out with the box-type models.Schlieren observations were made at inlet Mach numbers from 0.5 to 1.0 and total-pressure measurements were made by traversing a pitot-tube in the outlet flow from the nozzle.The effects of geometrical parameters of the nozzle and nozzle pressure ratios on discharge coefficient and thrust coefficient were investigated.Test Reynolds number range was 1.8～5×106,based on “equivarent diameter” (twice as large as hydraulic diameter) at nozzle inlet.The test results were as follows : 1.The flow with separation was observed on the surface of the center cone at the lower inlet Mach numbers (M1＜0.6) and the growth of the flow separation was observed as inlet Mach number increased,for all the models experimented.2.The wake of the center cone was wide at the nozzle (model) exit for the range of the lower inlet Mach numbers and the peak of the exit total pressure was observed in the wake of the center cone at higher Mach numbers (M1≧0.74).
資料番号: NALTM0244000
レポート番号: NAL TM-244
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43827&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43827&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