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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

Effect of Nozzle Lip Shape on Screech Tone in a Supersonic Jet

http://hdl.handle.net/2237/13881
http://hdl.handle.net/2237/13881
0e6c0475-4d16-4a1c-8e42-c60503c6edf9
名前 / ファイル ライセンス アクション
tjsass_v51_n171.pdf tjsass_v51_n171.pdf (2.0 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2010-07-27
タイトル
タイトル Effect of Nozzle Lip Shape on Screech Tone in a Supersonic Jet
言語 en
著者 KIM, Yongseok

× KIM, Yongseok

WEKO 38037

en KIM, Yongseok

Search repository
NAKAMURA, Yoshiaki

× NAKAMURA, Yoshiaki

WEKO 38038

en NAKAMURA, Yoshiaki

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
キーワード
主題Scheme Other
主題 Supersonic Jet
キーワード
主題Scheme Other
主題 Screech Tone
キーワード
主題Scheme Other
主題 Nozzle Lip Shape
キーワード
主題Scheme Other
主題 ENO Scheme
キーワード
主題Scheme Other
主題 Noise Scattering
抄録
内容記述 The effect of nozzle lip shape on screech tone is investigated by a computational aeroacoustic approach. First, the scattered patterns of screech tone are examined without a jet mean flow, where plane waves interact with a nozzle lip wall. Then, an axisymmetric jet screech is simulated in the Mach number range from 1.07 to 1.2, where the axisymmetric mode is a dominant screech mode. The conservative form of the axisymmetric Euler equations written in generalized coordinates are used to treat the complex nozzle lip geometry for the scattering problem as well as the Reynolds Averaged Navier-Stokes equations with the modified Spalart-Allmaras turbulence model. The computed shock-cell structure, screech tone frequency, and sound pressure levels in the near field are in good agreement with existing experimental data.
言語 en
内容記述タイプ Abstract
出版者
言語 ja
出版者 日本航空宇宙学会
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 VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ISSN
収録物識別子タイプ PISSN
収録物識別子 0549-3811
書誌情報 en : Transactions of the Japan Society for Aeronautical and Space Sciences

巻 51, 号 171, p. 1-7, 発行日 2008-05-04
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/13881
識別子タイプ HDL
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