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Theoretical Consideration on Laminar-To-Turbulent Transitions over an Ablating Reentry Capsule
https://jaxa.repo.nii.ac.jp/records/33245
https://jaxa.repo.nii.ac.jp/records/332454529e00b-4992-4ee6-a41f-c06847dd580b
名前 / ファイル | ライセンス | アクション |
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SA0200018.pdf (3.0 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Theoretical Consideration on Laminar-To-Turbulent Transitions over an Ablating Reentry Capsule | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
小紫, 公也
× 小紫, 公也× Candler, Graham V.× Komurasaki, Kimiya× Candler, Graham V. |
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著者所属 | ||||||
東京大学 工学部 航空宇宙工学科 | ||||||
著者所属 | ||||||
Department of Aerospace Engineering and Mechanics, University of Minnesota | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Aeronautics and Astronautics, University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Aerospace Engineering and Mechanics, University of Minnesota | ||||||
出版者 | ||||||
出版者 | 宇宙科学研究所 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science | |||||
書誌情報 |
en : The Institute of Space and Astronautical Science report. S.P. : Aerodynamics, Thermophysics, Thermal Protection, Flight System Analysis and Design of Asteroid Sample Return Capsule 巻 17, p. 109-122, 発行日 2003-03 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The mechanism of early transition phenomena over an ablating reentry capsule has been examined. A two-equation turbulence model (kappa-epsilon model) coupled with Reynolds averaged Navier-Stokes equations has been employed. Low-Reynolds-number effects on the solid wall were considered by modifying the Chien's correction. As a result, the transition occurred at lower Reynolds numbers with higher ablation rates. The predicted transition-point Reynolds number was 3 x 10(exp 4) at the surface-mass-injection rate of 100 g/sm(sup 2). The principal mechanism of this early transition is thought as follows; the viscosity damping effects are reduced and re-laminarization is prevented in the downstream of the capsule surface, due to the turbulence on the surface and due to the pushing out of near-surface stream-lines from the surface by successive mass injection. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0288-433X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10455137 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: SA0200018000 |