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強乱流予混合火炎の流れ場と構造
http://hdl.handle.net/2237/9347
http://hdl.handle.net/2237/9347bf1a5453-86df-46aa-bf3d-67a249deb235
名前 / ファイル | ライセンス | アクション |
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JsMecEngB_68-665-238.pdf (728.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-01-21 | |||||
タイトル | ||||||
タイトル | 強乱流予混合火炎の流れ場と構造 | |||||
言語 | ja | |||||
その他のタイトル | ||||||
その他のタイトル | Flow Field and Structure of Highly Turbulent Premixed Flames | |||||
言語 | en | |||||
著者 |
山本, 和弘
× 山本, 和弘× YAMAMOTO, Kazuhiro× 西澤, 泰樹× NISHIZAWA, Yasuki |
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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 | Flame | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Turbulent Flow | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | LDV | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Jet | |||||
抄録 | ||||||
内容記述 | To examine the premixed flame structure in highly turbulent flow, by a cyclone-jet combustor, we have examined the flow field both in cold flow and in combustion field using LDV system. The turbulence scale has been obtained by Slot-Correlation method. The experiments have been conducted from the flamelet regime (Um=10m/s) to the distributed reaction zone regime (Um=30m/s) in combustion diagram. Results show that, in combustion field, the mean axial velocity does not decrease as much and rms fluctuation velocity is lower along the center axis, compared with those in cold flow. It could be explained with the flow expansion in combustion. That is, the turbulence transport is reduced due to the existence of low-density gas in shear layer at the flame front, which leads to a longer potential core in combustion field than that in cold flow. Flame generated turbulence is observed in radial velocity distribution. The integral length scale becomes larger at the flame zone due to the flow expansion. | |||||
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/110002386857 | |||||
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 68, 号 665, p. 238-245, 発行日 2002-01-25 |
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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/2237/9347 | |||||
識別子タイプ | HDL |