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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

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/2237/9330
2406754b-a832-4dee-a90c-be7a191107d9
名前 / ファイル ライセンス アクション
JsMecEngB_65-637-3185.pdf JsMecEngB_65-637-3185.pdf (670.8 kB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 21521

ja 山本, 和弘

Search repository
YAMAMOTO, Kazuhiro

× YAMAMOTO, Kazuhiro

WEKO 21522

en YAMAMOTO, Kazuhiro

Search repository
阿知波, 朝士

× 阿知波, 朝士

WEKO 21523

ja 阿知波, 朝士

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ACHIHA, Tomoshi

× ACHIHA, Tomoshi

WEKO 21524

en ACHIHA, Tomoshi

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小沼, 義昭

× 小沼, 義昭

WEKO 21525

ja 小沼, 義昭

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ONUMA, Yoshiaki

× ONUMA, Yoshiaki

WEKO 21526

en 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
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
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