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可燃性固体の燃え拡がりに及ぼす周囲雰囲気の影響 (第2報, 希釈の影響と気相の温度測定)
http://hdl.handle.net/2237/9358
http://hdl.handle.net/2237/9358f774b0bf-226d-4ae6-bcd2-83c096b5de5a
名前 / ファイル | ライセンス | アクション |
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JsMecEngB_69-680-946.pdf (775.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-01-23 | |||||
タイトル | ||||||
タイトル | 可燃性固体の燃え拡がりに及ぼす周囲雰囲気の影響 (第2報, 希釈の影響と気相の温度測定) | |||||
言語 | ja | |||||
その他のタイトル | ||||||
その他のタイトル | Effects of Ambient Atomosphere on Flame Spread over Solid Fuel (2nd Report, Diluent Effect and Measurement of Gas Temperature) | |||||
言語 | en | |||||
著者 |
山本, 和弘
× 山本, 和弘× YAMAMOTO, Kazuhiro× 森, 幸一× MORI, Koichi× 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 | 日本機械学会 | |||||
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。 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Flame Spread | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Solid Fuel | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Extinction | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Diffusion Combustion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Heat Transfer | |||||
抄録 | ||||||
内容記述 | To investigate effects of ambient atmosphere on flame spread, an experimental study has been conducted. The downward flame spread over solid fuel has been examined in a combustion chamber with a vertical duct to obtain uniform ambient atmosphere. The flame spread rate is measured with constant inflow velocity. Two kinds of paper sheet are used as samples. Ambient temperature is increased up to 150℃, and oxygen concentration is reduced to examine the diluent effect, adding carbon dioxide and nitrogen to the ambient air. The gas temperature is measured by thermocouples. Results show that, the flame spread rate is decreased with a smaller oxygen concentration, resulting in smaller heat flow into the preheat region, Q. Diluent effect of carbon dioxide is larger than that of nitrogen to reduce flame spread rate, with larger limiting oxygen concentration. In the gas temperature distribution, the maximum temperature is located around the flame zone, which is defined as the flame temperature. As oxygen concentration is decreased, the flame temperature is reduced. Hence, as the flame temperature is decreased, the heat flow into the preheat region is resultantly smaller. The temperature where the flame can not propagate is almost constant for all cases. Therefore, at extinction limit, the flame temperature is low so that the flame spread can not be supported due to smaller Q. | |||||
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/110002388019 | |||||
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 69, 号 680, p. 946-953, 発行日 2003-04-25 |
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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/2237/9358 | |||||
識別子タイプ | HDL |