Two-Dimensional Observation of Fluctuation in Methane-Air/LPG-Air Premixed Flames by Planar Laser-Induced Fluorescence (PLIF)
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- KATOH Atsushi
- Department of Applied Chemistry, Nagoya University
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- OYAMA Hiroyuki
- Nagoya Industrial Science Research Institute
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- KITAGAWA Kuniyuki
- Division of Energy Science, Eco Topia Science Institute, Nagoya University
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- GUPTA Ashwani K
- Combustion Laboratory, Department of Mechanical Engineering, University of Maryland, College Park
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説明
OH-PLIF images were observed sequentially at a rate of 30 frames/s on CH4-air and liquefied petroleum gas (LPG)-air premixed flames, followed by statistical analysis including Fast Fourier Transformation (FFT) to examine flame fluctuations at inner and outer regions of the premixed flames. Characteristics in the FFT power spectra were different between the inner and outer cases due to a difference in mixing condition of the fuel gas and air between the inner and outer flame regions. Correlation profiles between average value and standard deviation of the consecutively measured OH-PLIF intensity showed that combustion reaction activity was not always a prevailing driving force for the fluctuation. This characteristic was independent of the difference in mixing condition of the fuel gas and air between the inner and outer flame regions. Key words: flame fluctuation, premixed flames, OH-PLIF distribution, statistical analysis
収録刊行物
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- 分光研究
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分光研究 54 (5), 301-305, 2005
社団法人 日本分光学会
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詳細情報 詳細情報について
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- CRID
- 1390001206258323840
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- NII論文ID
- 10016273405
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- NII書誌ID
- AN00222531
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- ISSN
- 18846785
- 00387002
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- NDL書誌ID
- 7708719
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
