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旋回噴流燃焼器を用いた強乱流予混合火炎の研究 (第1報, レーザトモグラフィー法による火炎構造の可視化)
http://hdl.handle.net/2237/9330
http://hdl.handle.net/2237/93302406754b-a832-4dee-a90c-be7a191107d9
名前 / ファイル | ライセンス | アクション |
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JsMecEngB_65-637-3185.pdf (670.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-01-18 | |||||
タイトル | ||||||
タイトル | 旋回噴流燃焼器を用いた強乱流予混合火炎の研究 (第1報, レーザトモグラフィー法による火炎構造の可視化) | |||||
言語 | ja | |||||
その他のタイトル | ||||||
その他のタイトル | A Study on Highly Turbulent Premixed Flames in a Cyclone-Jet Combustor (1st Report, Visualization of Flame Structure with Tomographic Images) | |||||
言語 | en | |||||
著者 |
山本, 和弘
× 山本, 和弘× YAMAMOTO, Kazuhiro× 阿知波, 朝士× ACHIHA, Tomoshi× 小沼, 義昭× ONUMA, Yoshiaki |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | 本文データは学協会の許諾に基づきCiNiiから複製したものである。 | |||||
権利 | ||||||
言語 | ja | |||||
権利情報 | 日本機械学会 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Premixed Combustion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Turbulent Flow | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Jet | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Flow Visualization | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Flow Measurement | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Flame Structure | |||||
抄録 | ||||||
内容記述 | By using a cyclone-jet combustor, we have investigated premixed flames in a highly turbulent flow over a wide range of turbulent properties, with μ'/SL exceeding 10 in a stationary jet flame. With Mie scattering, we obtained tomographic images to visualize the flame structure. We have investigated the velocity field in cold flow with a hot wire anemometer. Results show that, as the turbulence is relatively low, the scale of the turbulence is large and one flame sheet wrinkles, which shows that a typical wrinkled laminar flame is formed. As the exit velocity is further increased, the flame wrinkling is increased, but the size of its wrinkles becomes small with many cusps of the flame front. In some cases, the burned gas may exist in the unburned gas, and vice versa. When the velocity exceeds 30 m/s, one continuous flame sheet cannot be sustained, and the destruction of laminar flame structure occurs, in which small reacting eddies in an intermediate stage of combustion may be embedded. These results are supported by the fact in previous experiments that the probability of intermediate temperature between those of unburned and burned gases becomes high and the PDF of temperature is no longer bimodal. Thus, it appears that, a flame structure changes to be that with distributed reaction zone as the intensity of turbulence is increased. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | ja | |||||
出版者 | 日本機械学会 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連情報 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://ci.nii.ac.jp/naid/110002395620 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0387-5016 | |||||
書誌情報 |
ja : 日本機械学會論文集 B編 巻 65, 号 637, p. 3185-3190, 発行日 1999-09-25 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/9330 | |||||
識別子タイプ | HDL |