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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

可燃性固体の燃え拡がりに及ぼす周囲雰囲気の影響 (周囲温度の影響と鉛直下方燃え拡がり限界酸素濃度)

http://hdl.handle.net/2237/9356
http://hdl.handle.net/2237/9356
145091cf-6b2c-4edd-a5f2-cb8893e69ace
名前 / ファイル ライセンス アクション
JsMecEngB_68-672-2437.pdf JsMecEngB_68-672-2437.pdf (564.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
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 (周囲温度の影響と鉛直下方燃え拡がり限界酸素濃度)
言語 ja
その他のタイトル
その他のタイトル Effects of Ambient Atmosphere on Flame Spread over Solid Fuel (Effects of Ambient Temperature and Limiting Oxygen Concentration for Downward Flame Spread)
言語 en
著者 山本, 和弘

× 山本, 和弘

WEKO 21593

ja 山本, 和弘

Search repository
YAMAMOTO, Kazuhiro

× YAMAMOTO, Kazuhiro

WEKO 21594

en YAMAMOTO, Kazuhiro

Search repository
森, 幸一

× 森, 幸一

WEKO 21595

ja 森, 幸一

Search repository
MORI, Koichi

× MORI, Koichi

WEKO 21596

en MORI, Koichi

Search repository
小沼, 義昭

× 小沼, 義昭

WEKO 21597

ja 小沼, 義昭

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ONUMA, Yoshiaki

× ONUMA, Yoshiaki

WEKO 21598

en ONUMA, Yoshiaki

Search repository
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 The downward flame spread over solid fuel has been studied. Paper sheets are used as samples, and experiments are conducted in a combustion chamber with a vertical duct to obtain uniform ambient atmosphere, keeping the inflow velocity constant. The gas composition and temperature can be changed to examine the effects of ambient atmosphere. The downward flame spread rate has been measured at lower oxygen concentration and preheated temperature (~150℃). Results show that, flame spread rate is increased with an increase of ambient temperature. As the oxygen concentration is decreased, the flame spread rate is decreased monotonically. Then, the flame can not propagate and the flame extinction occurs at some oxygen concentration. We define this condition as the limiting oxygen concentration for downward flame spread. It can be reduced as the ambient temperate is increased. To discuss these experimental facts, we estimate the net heat flow into the preheat region, which is an important factor to sustain the flame spread. The net heat flow into the preheat region is decreased as the oxygen concentration is smaller. It is interesting to note that this heat flow near the flame extinction is smaller with an increase of the ambient temperature. These experimental data are useful to make clear the controlling mechanism of flame spread.
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/110002387467
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 672, p. 2437-2443, 発行日 2002-08-25
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/9356
識別子タイプ HDL
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