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  1. 学術雑誌論文

Persistence of Laminar Flamelet Structure Under Highly Turbulent Combustion

https://repo.lib.tut.ac.jp/records/1129
https://repo.lib.tut.ac.jp/records/1129
555351a7-ba09-494b-b64d-6a10605f3068
名前 / ファイル ライセンス アクション
j13408054-0046-408.pdf j13408054-0046-408 (949.4 kB)
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Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-02-21
タイトル
タイトル Persistence of Laminar Flamelet Structure Under Highly Turbulent Combustion
タイトル
言語 en
タイトル Persistence of Laminar Flamelet Structure Under Highly Turbulent Combustion
言語
言語 eng
資源タイプ
資源タイプ journal article
著者 YAMAMOTO, Kazuhiro

× YAMAMOTO, Kazuhiro

WEKO 2241
NRID 1000060283488
e-Rad 60283488

YAMAMOTO, Kazuhiro

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NISHIZAWA, Yasuki

× NISHIZAWA, Yasuki

WEKO 2243

NISHIZAWA, Yasuki

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ONUMA, Yoshiaki

× ONUMA, Yoshiaki

WEKO 2197
NRID 1000040029179
e-Rad 40029179

ONUMA, Yoshiaki

Search repository
抄録
内容記述タイプ Abstract
内容記述 We have investigated the premixed flame structure in highly turbulent flow with a cyclone-jet combustor. Based on the turbulent properties determined by Slot-Correlation method, the condition of U_m<15 m/s belongs to the flamelet regime, and that of U_m>20 m/s belongs to the distributed reaction zone regime on the combustion diagram. Also, we have quantitatively estimated the reaction zone thickness, using the probability of reaction zone existing. Results show that the dependence of reaction zone thickness on equivalence ratio is very similar to those of the experimental values by Yamaoka and Tsuji or the Zeldovich thickness. When the exit velocity is increased, the reaction zone thickness is almost constant for Ka>1. Hence, the persistence of laminar flamelet structure is observed, even when the Kolmogorov scale is smaller than reaction zone thickness. It could be concluded that the reaction region remains undisturbed with thin reaction zone under highly turbulent conditions. These results are useful for modeling turbulent combustion.
内容記述
内容記述タイプ Other
内容記述 ・rights:日本機械学会
・rights: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
・relation:isVersionOf:http://ci.nii.ac.jp/naid/110003479169/
書誌情報 JSME international journal. Ser. B, Fluids and thermal engineering
en : JSME international journal. Ser. B, Fluids and thermal engineering

巻 46, 号 3, p. 408-415, 発行日 2003-08-15
出版者
出版者 一般社団法人日本機械学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 13408054
関連サイト
識別子タイプ URI
関連識別子 http://ci.nii.ac.jp/naid/110003479169/
関連名称 CiNii
著者版フラグ
出版タイプ VoR
キーワード
主題 Premixed_Combustion
キーワード
主題 Flame
キーワード
主題 LDV
キーワード
主題 Reaction_Zone_Thickness
キーワード
主題 Phase_Diagram
キーワード
主題 Slot-Correlation_Method
キーワード
主題 Premixed_Combustion
キーワード
主題 Flame
キーワード
主題 LDV
キーワード
主題 Reaction_Zone_Thickness
キーワード
主題 Phase_Diagram
キーワード
主題 Slot-Correlation_Method
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