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Quantitative Measurements of Chemiluminescence in a Laminar Methane-Air Premixed Flame and Comparison to Numerical Methods
Wang KL(王宽谅); Li F(李飞); Wu Y(武毅); Yu XL(余西龙)
Source PublicationENERGY & FUELS
2018-04-01
Volume32Issue:4Pages:5536-5543
ISSN0887-0624
Abstract

Quantitative measurements of chemiluminescence emissions as a result of CH*, OH*, C-2*, and CO2* were conducted in CH4/air premixed flames at different equivalence ratios (theta = 0.7-1.33), and numerical results based on one-dimensional flame simulations were compared to these data. A wavelength-dependent and optical-path-corrected emission calibration method was applied to quantify the emission of each excited species. The numerically simulated emission intensities of OH* and CH* are within the same order of magnitude as the experimental values for the same flame conditions. When self-absorption and cooling water thermosteresis are taken into account, the simulated OH* values are 1.0-1.4 times greater than the experimental results, while the CH* values are approximately 2.3-4.1 times greater. These findings suggest that more work is required to refine the temperature dependence factors for the CH* formation rate coefficients at high temperatures.

DOI10.1021/acs.energyfuels.7b03484
Indexed BySCI ; EI
Language英语
WOS IDWOS:000430783300153
WOS KeywordCH-ASTERISK CHEMILUMINESCENCE ; PRESSURE HYDROCARBON FLAMES ; HEAT RELEASE RATE ; OH-ASTERISK ; DIFFUSION FLAMES ; REACTION ZONE ; TEMPERATURE ; COMBUSTION ; CH(A(2)DELTA) ; EMISSION
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China(11372329) ; Scientific Instrument Developing Project of the Chinese Academy of Sciences(YZ201637)
Classification二类
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77468
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
Wang KL,Li F,Wu Y,et al. Quantitative Measurements of Chemiluminescence in a Laminar Methane-Air Premixed Flame and Comparison to Numerical Methods[J]. ENERGY & FUELS,2018,32(4):5536-5543.
APA 王宽谅,李飞,武毅,&余西龙.(2018).Quantitative Measurements of Chemiluminescence in a Laminar Methane-Air Premixed Flame and Comparison to Numerical Methods.ENERGY & FUELS,32(4),5536-5543.
MLA 王宽谅,et al."Quantitative Measurements of Chemiluminescence in a Laminar Methane-Air Premixed Flame and Comparison to Numerical Methods".ENERGY & FUELS 32.4(2018):5536-5543.
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