書誌事項
- タイトル別名
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- Effect of a Protuberance on Transonic Flowfield around a Rocket Fairing
- ロケットフェアリングセンオンソク ナガレ ニ オケル ビショウ トッキ ノ エイキョウ
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説明
Experiment using the 2m× 2m transonic wind tunnel in JAXA and numerical simulation based on the RANS are carried out to investigate transonic flowfield influenced by a protuberance attached to shoulder of a generic cone-cylinder type rocket faring. Thickness of the protuberance considered here is about 0.1% of the fairing diameter, which is 1.8 times thicker than the displacement thickness of the incoming boundary layer. Validation and verification of the numerical method are firstly performed based on the experimental result of the clean fairing without any protuberance. It is found that effect of the protuberance changes depending on the flow speed. If the free-stream Mach number is less than 0.8, separation shock wave is generated at the protuberance on the shoulder, although the separation shock wave appears at the cylinder section of the clean fairing. On the other hand, little influence on the flow structure is observed in the flow condition with higher free-stream Mach number. The effect revealed in this study indicates the importance of the protuberance to the design of rocket fairing.
収録刊行物
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- 日本航空宇宙学会論文集
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日本航空宇宙学会論文集 61 (4), 103-109, 2013
一般社団法人 日本航空宇宙学会
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詳細情報 詳細情報について
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- CRID
- 1390282679445738112
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- NII論文ID
- 130003382927
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- NII書誌ID
- AA11307372
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- ISSN
- 24323691
- 13446460
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- NDL書誌ID
- 024830217
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- 本文言語コード
- ja
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- JaLC
- NDLサーチ
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