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Comprehensive visualization of detonation-diffraction structures and sizes in unstable and stable mixtures
http://hdl.handle.net/2241/118453
http://hdl.handle.net/2241/118453a92cf6b2-4be6-4c45-9bc7-129268d5ac48
名前 / ファイル | ライセンス | アクション |
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PROC-CI_34-2-1949.pdf (1.8 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2013-03-01 | |||||
タイトル | ||||||
タイトル | Comprehensive visualization of detonation-diffraction structures and sizes in unstable and stable mixtures | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Nagura, Yuto
× Nagura, Yuto× Kasahara, Jiro× Sugiyama, Yuta× Matsuo, Akiko |
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著者別名 |
笠原, 次郎
× 笠原, 次郎 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The geometry and characteristic length of diffraction and re-initiation during a two-dimensional detonation propagation were revealed by visualization. C2H4 + 3O2 (unstable), 2C2H2 + 5O2 + 7Ar (stable) and 2C2H2 + 5O2 + 21Ar (stable) were used as the test mixtures. Experiments were performed over the deviation angle range from 30° to 150° and the initial pressure range from 15.8 to 102.3 kPa. By self-emitting photography, we confirmed that the geometry and the characteristic length of diffraction are not different among test gases, with the exception of the fan-like structure of re-initiation that occurred regardless of whether the mixture was unstable or stable. We conducted a compensative experiment by changing the deviation angle and initial pressure, and summarized the detonation diffraction by shadowgraph. At deviation angles larger than 60°, we measured the distances from the vertex of the channel corner to the point where the transverse detonation wave reflected on the under wall (= wall reflection distance) and confirmed that wall reflection distances are approximately in the range of 10–15 times the cell width, whether the mixture is unstable or stable. | |||||
書誌情報 |
Proceedings of the Combustion Institute 巻 34, 号 2, p. 1949-1956, 発行日 2013 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1540-7489 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11552208 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.proci.2012.07.078 | |||||
権利 | ||||||
権利情報 | © 2012 The Combustion Institute. NOTICE: this is the author’s version of a work that was accepted for publication in Proceedings of the Combustion Institute. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Proceedings of the Combustion Institute, 34, 2, 2013, DOI:10.1016/j.proci.2012.07.078. |
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著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Elsevier Inc. | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/118453 | |||||
識別子タイプ | HDL |