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アイテム
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急拡大部を持つ管路流れの不安定性と乱流遷移
https://jaxa.repo.nii.ac.jp/records/37239
https://jaxa.repo.nii.ac.jp/records/37239b076703b-ba21-4115-95ed-ad636f89f3ce
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 急拡大部を持つ管路流れの不安定性と乱流遷移 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 管内流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 急拡大流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 急縮小流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 層流乱流遷移 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れ不安定性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 圧力分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 計算流体力学 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | レイノルズ数 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | pipe flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sudden expansion flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sudden contraction flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | laminar turbulent transition | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | pressure distribution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computational fluid dynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Reynolds number | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Instability of flow and its transition to turbulence in a suddenly expanded and contracted channel | |||||
著者 |
水島, 二郎
× 水島, 二郎× 足立, 高弘× 塩谷, 幸信× Mizushima, Jiro× Adachi, Takahiro× Shiotani, Yukinobu |
|||||
著者所属 | ||||||
同志社大学 工学部 | ||||||
著者所属 | ||||||
同志社大学 工学部 | ||||||
著者所属 | ||||||
同志社大学 工学部 | ||||||
著者所属(英) | ||||||
en | ||||||
Doshisha University Faculty of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Doshisha University Faculty of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Doshisha University Faculty of Engineering | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory (NAL) | |||||
書誌情報 |
航空宇宙技術研究所特別資料 en : Special Publication of National Aerospace Laboratory 巻 40, p. 63-66, 発行日 1999-01 |
|||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 30 Sep.-1 Oct. 1997 (21st). 26-27 Mar. 1998 (22nd) | |||||
会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 30 Sep.-1 Oct. 1997 (21st). 26-27 Mar. 1998 (22nd) | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 急拡大部と急縮小部をもつ2次元対称流路内の流れ特性を数値的に調べた。流路内では、レイノルズ数に依存して3つの異なる型(対称定常流れ、非対称定常流れおよび非対称時間周期流れ)の流れが起きていることを示した。流路の中心線に沿った圧力分布を数値的に評価した。特に、流路の拡大部と縮小部との圧力差を詳細に調べた。圧力差は、流れの型にはあまり影響されず、レイノルズ数に依存して異なると結論した。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Characteristic properties of flow in a two dimensional symmetric channel with a suddenly expanded and contacted part are investigated numerically. It is predicted that there occur three distinct types of flow in the channel depending upon the Reynolds number, which are symmetric steady, asymmetric steady and asymmetric time periodic flows. Pressure distribution along the center line of the channel is evaluated numerically. Especially, the pressure difference across the expanded and contracted part of the channel is investigated in detail. It is concluded that the pressure difference is not largely affected by the type of flow but differs depending on Reynolds number. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-260X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10097345 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0001655016 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL SP-40 |