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Experimental study on the effects of hydrogen addition on the emission and heat transfer characteristics of laminar methane diffusion flames with oxygen-enriched air
Wu, Long1; Kobayashi, Noriyuki1; Li, Zhanyong2; Huang, Hongyu3
2016-01-21
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume41Issue:3Pages:2023-2036
AbstractThe effects of hydrogen addition on the emission and heat transfer characteristics of oxygen-enriched laminar methane diffusion flames were investigated in a laboratory-scale furnace with a co-axial burner. The volume fraction of hydrogen in the methane-hydrogen blend was varied from 0% to 50%, and the oxygen concentration was varied from 25% to 35%. Results showed that the addition of hydrogen led to an increase in the soot-free length and flame temperature while the degree of increase was less at higher oxygen concentrations. Adding hydrogen chemically enhanced the oxidation of CO to CO2, and this chemical effect was stronger when the oxygen concentration increased. NO emissions increased significantly with the addition of hydrogen, while the rate of this increase decreased with greater oxygen concentrations. The total heat flux increased with the addition of hydrogen, while the rate of this increase was less at higher oxygen concentrations. Although the radiative heat flux increased with higher oxygen concentrations, it did not exceed 6% of the total heat flux at 35% O-2. Moreover, adding hydrogen decreased the radiative heat flux; this decrease was significant at higher oxygen concentrations. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordOxygen-enriched Combustion Hydrogen Addition Methane Laminar Diffusion Flame Pollutant Emissions Heat Transfer
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2015.10.132
WOS Subject ExtendedChemistry ; Electrochemistry ; Energy & Fuels
WOS KeywordSOOT FORMATION ; NO FORMATION ; NATURAL-GAS ; COMBUSTION ; HYDROCARBON ; TEMPERATURE ; PREDICTION ; MIXTURES ; COFLOW ; SIZES
Indexed BySCI
Language英语
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000369461500066
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11066
Collection中国科学院广州能源研究所
Affiliation1.Nagoya Univ, Dept Chem Engn, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan
2.Tianjin Univ Sci & Technol, Coll Mech Engn, Tianjin 300222, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Wu, Long,Kobayashi, Noriyuki,Li, Zhanyong,et al. Experimental study on the effects of hydrogen addition on the emission and heat transfer characteristics of laminar methane diffusion flames with oxygen-enriched air[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2016,41(3):2023-2036.
APA Wu, Long,Kobayashi, Noriyuki,Li, Zhanyong,&Huang, Hongyu.(2016).Experimental study on the effects of hydrogen addition on the emission and heat transfer characteristics of laminar methane diffusion flames with oxygen-enriched air.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,41(3),2023-2036.
MLA Wu, Long,et al."Experimental study on the effects of hydrogen addition on the emission and heat transfer characteristics of laminar methane diffusion flames with oxygen-enriched air".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 41.3(2016):2023-2036.
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