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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Repetitive Energy Deposition at a Supersonic Intake in Subcritical and Buzz Modes

http://hdl.handle.net/2237/00032253
http://hdl.handle.net/2237/00032253
416dea58-9a90-4bb9-8322-4dc12860acbf
名前 / ファイル ライセンス アクション
AIAAJ-J058519_FINALED_2s.pdf AIAAJ-J058519_FINALED_2s (2.6 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-05-26
タイトル
タイトル Repetitive Energy Deposition at a Supersonic Intake in Subcritical and Buzz Modes
言語 en
著者 Myokan, Manabu

× Myokan, Manabu

WEKO 99158

en Myokan, Manabu

Search repository
Kubota, Akiya

× Kubota, Akiya

WEKO 99159

en Kubota, Akiya

Search repository
Iwakawa, Akira

× Iwakawa, Akira

WEKO 99160

en Iwakawa, Akira

Search repository
Sasoh, Akihiro

× Sasoh, Akihiro

WEKO 99161

en Sasoh, Akihiro

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 Copyright © 2019 by Manabu Myokan, Akiya Kubota, Akira Iwakawa, and Akihiro Sasoh. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. All requests for copying and permission to reprint should be submitted to CCC at www.copyright.com; employ the eISSN 1533-385X to initiate your request. See also AIAA Rights and Permissions www.aiaa.org/randp.
抄録
内容記述 This study experimentally investigated the effects of repetitive laser energy deposition using a supersonic intake model with a central conical compression surface and a 19×19  mm^2 cross-sectional duct in a Mach 1.92 indraft wind tunnel: especially in the subcritical and buzz modes. A single-pulse energy deposition was observed to suppress the flow separation at the compression surface by “sweeping” a shock wave system with the thermal bubble generated by the energy deposition. The duration of the sweeping effect was approximately 160  μs in the subcritical mode and 100–420  μs in the buzz mode. Furthermore, repetitive deposition of laser pulse energies was observed to moderate instabilities in both modes, and it increased the pressure recovery by as much as 8%; also, the occurrence of buzz was delayed, thereby widening the stable, subcritical regime. In both modes, there was a threshold value for the laser pulse repetition frequency fL, thd, which corresponded to the duration of the sweeping effect (e.g., fthd=6  kHz in subcritical mode). Below this frequency, the increase in the pressure was proportional to the repetition frequency; whereas above fthd, the effect per single pulse was reduced.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 Published Online:26 Oct 2019
言語 en
内容記述タイプ Other
出版者
言語 en
出版者 American Institute of Aeronautics and Astronautics
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.2514/1.J058519
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0001-1452
書誌情報 en : AIAA Journal

巻 58, 号 1, p. 107-117, 発行日 2020-01
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