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Effect of hydrogen addition on combustion and heat release characteristics of ammonia flame
Li, Jun1; Huang, Hongyu2; Deng, Lisheng2; He, Zhaohong2; Osaka, Yugo3; Kobayashi, Noriyuki1
2019-05-15
Source PublicationENERGY
ISSN0360-5442
Volume175Pages:604-617
Corresponding AuthorHuang, Hongyu(huanghy@ms.giec.ac.cn) ; Kobayashi, Noriyuki(kobayashi@energy.gr.jp)
AbstractAs a key parameter of fuel, the heat release characteristics of ammonia (NH3) flames under hydrogen (H-2)-enriched conditions constitute the emphasis of this research. The effect of H-2 addition on heat release characteristics of premixed laminar NH3 flames are numerically investigated by considering the detailed chemical mechanism. The NH3,O-2,H2O,NO, and N2O mole fraction distributions based on the Dagaut-Keromnes mechanism agree well with experimental results, thereby potentially providing repeatable and accurate outcomes with NH3 flames using this mechanism. The OH x N radical positively affects the net heat release rate at various equivalence ratios and H-2 addition ratios conditions. The chemical effect is evidently important at low H-2 addition ratios, while the transport effect becomes dominant at high H-2 addition ratios because of the high mobility of H-2. For the three top endothermic elementary reactions of NH3 flames, the contribution of R236: H + O-2=OH + O increases, while R171: H + NO(+M) = HNO(+M) and R240: H2O + O=OH + OH decrease with increasing H-2 addition ratios. Diverse key exothermic elementary reactions of NH3 flames occur at various equivalence ratios and different H-2 addition ratios. The large contribution of R128: N + NO=N-2+O at fuel-rich conditions can be applied to reduce NOx emissions of the NH3 flame under pure and H-2 addition conditions. (C) 2019 Elsevier Ltd. All rights reserved.
KeywordAmmonia Heat release rate Equivalence ratio H-2 addition Reaction rate
DOI10.1016/j.energy.2019.03.075
WOS KeywordLAMINAR BURNING VELOCITY ; EMISSION CHARACTERISTICS ; PREMIXED FLAMES ; NITROUS OXIDE ; OXIDATION ; OXYGEN ; FUEL ; GAS ; PRESSURE ; ENGINE
Indexed BySCI
Language英语
Funding ProjectKnowledge Hub Aichi, Priority Research Project from Aichi Prefectural Government, Japan ; Leading Key Projects of Chinese Academy of Sciences[QYZDY-SSW-JSC038] ; Science and Technology Planning Project of Guangdong Province, China[2014B050502011]
WOS Research AreaThermodynamics ; Energy & Fuels
Funding OrganizationKnowledge Hub Aichi, Priority Research Project from Aichi Prefectural Government, Japan ; Leading Key Projects of Chinese Academy of Sciences ; Science and Technology Planning Project of Guangdong Province, China
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000466999400050
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/24985
Collection中国科学院广州能源研究所
Corresponding AuthorHuang, Hongyu; Kobayashi, Noriyuki
Affiliation1.Nagoya Univ, Dept Chem Engn, Nagoya, Aichi 4648603, Japan
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
3.Kanazawa Univ, Coll Sci & Engn, Kanazawa, Ishikawa 9201192, Japan
Recommended Citation
GB/T 7714
Li, Jun,Huang, Hongyu,Deng, Lisheng,et al. Effect of hydrogen addition on combustion and heat release characteristics of ammonia flame[J]. ENERGY,2019,175:604-617.
APA Li, Jun,Huang, Hongyu,Deng, Lisheng,He, Zhaohong,Osaka, Yugo,&Kobayashi, Noriyuki.(2019).Effect of hydrogen addition on combustion and heat release characteristics of ammonia flame.ENERGY,175,604-617.
MLA Li, Jun,et al."Effect of hydrogen addition on combustion and heat release characteristics of ammonia flame".ENERGY 175(2019):604-617.
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