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Flow visualization and characteristics of a coaxial jet with a tabbed annular nozzle
http://hdl.handle.net/2297/14448
http://hdl.handle.net/2297/14448bac72fb2-273d-4757-9d71-14c50c73eadc
名前 / ファイル | ライセンス | アクション |
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TE-PR-KIWATA-T-906.pdf (3.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Flow visualization and characteristics of a coaxial jet with a tabbed annular nozzle | |||||
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 |
Kiwata, Takahiro
× Kiwata, Takahiro× Ishii, Takashi× Kimura, Shigeo× Okajima, Atsushi× Miyazaki, Katsuya |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域機械工学系 | |||||
書誌情報 |
JSME International Journal, Series B: Fluids and Thermal Engineering 巻 49, 号 4, p. 906-913, 発行日 2007-05-21 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1340-8054 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10888815 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1299/jsmeb.49.906 | |||||
出版者 | ||||||
出版者 | 日本機械学会 = Japan Society of Mechanical Engineers | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Flow visualization and measurements of mean and fluctuating velocities were performed on a coaxial jet with a velocity ratio of 0.6 at a Reynolds number of 3 000 in an open water tank using hot-film anernometry, particle image velocimetry (2D and stereoscopic PIV) and laser-induced fluorescence (LIF). Axisymmetric and streamwise vortical structures were revealed in the near-field of the coaxial jet. The annular nozzle has six vortex generators in order to enhance the streamwise vortices generated in the mixing layer. Furthermore, the annular jet was excited by a shaker in order to enhance the axisymmetric vortices. For the tabbed coaxial jet, jet spreading downstream was greater than for the jet without tabs. The cause of the entrainment increment is the development of axisymmetric and streamwise vortex structures. In the case of excited jets, significant axisymmetric and streamwise vortical structures develop, and the jet width expands from the exit nozzle. Consequently, the flow rate of the excited jet with tabs is larger than that of the unexcited jet without tabs. | |||||
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 | |||||
関連URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1299/jsmeb.49.906 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jstage.jst.go.jp/article/jsmeb/49/4/49_906/_article |