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Primary mode changes due to longitudinal wall oscillation in two-dimensional channel flow
https://jaxa.repo.nii.ac.jp/records/22491
https://jaxa.repo.nii.ac.jp/records/224913a167633-45df-4804-90b5-c12657b8d83b
名前 / ファイル | ライセンス | アクション |
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PA1420043.pdf (545.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Primary mode changes due to longitudinal wall oscillation in two-dimensional channel flow | |||||
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 | journal article | |||||
著者 |
跡部, 隆
× 跡部, 隆× Atobe, Takashi |
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著者所属 | ||||||
宇宙航空研究開発機構航空本部(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Aeronautical Technology, Japan Aerospace Exploration Agency (JAXA) | ||||||
出版者 | ||||||
出版者 | 日本流体力学会 | |||||
出版者(英) | ||||||
出版者 | Japan Society of Fluid Mechanics | |||||
書誌情報 |
en : Fluid Dynamics Research 巻 46, 号 2, 発行日 2014-02-05 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The stabilizing effect of longitudinal wall oscillation on two-dimensional channel flow is analytically investigated. Because the flow field has temporalperiodicity, stability can be described by the Floquet theory. To do so, a monodromy matrix is derived from a time-dependent Orr-Sommerfeld equation using the collocation method, and then stability is determined by the use of the Floquet exponents. Systems of this kind are governed by the frequency and amplitude of wall oscillation and by the Reynolds number Re, which is determined by the maximum velocity of flow and half the distance between two walls. For Reynolds numbers in the range 6000-10 000, there is a region where a stable Tollmein-Schlichting (TS) mode appears in the parameter space. When the amplitude of wall oscillation increases, the disturbance wave is generally stabilized. This effect is large, especially for the TS mode. Consequently, the primary mode of unstable disturbance is changed from the TS mode to oblique modes. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0169-5983 | |||||
ISSNONLINE | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1873-7005 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10686129 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11526263 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1088/0169-5983/46/2/025502 | |||||
関連名称 | info:doi/10.1088/0169-5983/46/2/025502 | |||||
権利 | ||||||
権利情報 | (C) 2014 The Japan Society of Fluid Mechanics and IOP Publishing Ltd. Received 4 April 2013, accepted for publication 7 January 2014, published 5 February 2014. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: PA1420043000 |