(3-23) Detailed Spectrum Analysis of Chemiluminescent Radicals at Flame Front in an SI Engine((D-3)Diagnostics 3-Applications and Advamced Technolog)
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概要
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Local chemiluminescence emission intensities of OH^*, CH^*, and C_2^* were measured at points within an 125-cc two-stroke optical engine, cassegrain optics device was used to detect the local chemiluminescence intensity at the flame front. Figure 1 shows an example of a instantaneous flame image. Time-resolved optical multi-channel analyzer (OMA) measurements at the flame front, as shown in Fig. 2, indicate that the spectrum intensity profile of the radicals persists when a flame front is passing the measurement volume determined by cassegrain optics. The tendency was similar at different engine speeds, slowing a constant peak radical intensity ratio at the preset engine condition with the throttle 20% open. In addition, a monochrometer was used to investigate the characteristics of flame emission. Spectrum-resolved analyze was applied to the detailed spectra of each chemiluminescent radical. As indicated in Fig. 3, the CH^* spectra at three different engine speeds are the same as that of a CH_4 laminar flame, this information can be used to develop a better chemical kinetics model for SI engine combustion.
- 一般社団法人日本機械学会の論文
- 2001-07-01
著者
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池田 裕二
イマジニアリング(株)
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Ikeda Yuji
Department Of Internal Medicine Saga Medical School
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NAKAJIMA Tsuyoshi
Department of Neurosurgery, Faculty of Medical Sciences, University of Fukui
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Nishihara Hiroyasu
Department of Mechanical Engineering, KOBE University
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Ikeda Yuji
Department Of Cardiovascular And Renal Medicine Saga University Faculty Of Medicine
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Nishihara Hiroyasu
Department Of Mechanical Engineering Kobe University
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Nakajima Tsuyoshi
Department Of Chemistry And Material Engineering Faculty Of Engineering Shinshu University
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Nakajima Tsuyoshi
Department Of Chemistry And Material Engineering Faculty Of Engineering
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NAKAJIMA Tsuyoshi
Department of Mechanical Engineering, Kobe University
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Nakajima Tsuyoshi
Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
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