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Numerical study on ultra-lean rotating counterflow twin premixed flame of hydrogen–air
http://hdl.handle.net/2241/118293
http://hdl.handle.net/2241/118293898cefd9-7722-4b80-9ecc-4c03de8d5fd8
名前 / ファイル | ライセンス | アクション |
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PRC-CI_34-1.pdf (2.2 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2013-02-12 | |||||
タイトル | ||||||
タイトル | Numerical study on ultra-lean rotating counterflow twin premixed flame of hydrogen–air | |||||
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 |
Uemichi, Akane
× Uemichi, Akane× Nishioka, Makihito |
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著者別名 |
上道, 茜
× 上道, 茜× 西岡, 牧人 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Rotating counterflow twin premixed flame (RCTF) of hydrogen air was numerically simulated with detailed chemistry to explore the possibility of ultra-lean combustion. As a result, it was found that ultra-lean RCTF of equivalence ratio Φ = 0.052, which is far leaner than the generally-recognized flammability limit Φ = 0.10, is realized. It was also found that under ultra-lean conditions the flame temperature of RCTF largely exceeds the adiabatic flame temperature; e.g., at Φ = 0.06 the former is 1171 K, while the latter is 503 K. This increase of burned gas temperature is attributed to the so-called low Lewis number effect within the flammability limit, but under an ultra-lean condition some other mechanism to increase temperature is dominant. The “pseudo local equivalence ratio” of burned gas of RCTF differs largely from that of the unburned gas due to the extraordinarily high concentration of H2O. This suggests the possibility that the local condition at the reaction zone is much richer than the unburned gas, which brings about the large temperature increase. | |||||
書誌情報 |
Proceedings of the Combustion Institute 巻 34, 号 1, p. 1135-1142, 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.2012.07.036 | |||||
権利 | ||||||
権利情報 | © 2012 Published by Elsevier Inc. on behalf of 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 PUBLICATION, 34, 1, 2013, DOI:10.1016/j.proci.2012.07.036 |
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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/2241/118293 | |||||
識別子タイプ | HDL |