Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
| Combustion characteristics of non-premixed methane micro-jet flame in coflow air and thermal interaction between flame and micro tube | |
Li, Xing1; Zhang, Jing; Yang, Haolin ; Jiang, Liqiao; Wang, Xiaohan; Zhao, Daiqing1
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| 2017-02-05 | |
| Source Publication | APPLIED THERMAL ENGINEERING
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| Volume | 112Pages:296-303 |
| Abstract | The combustion characteristics of non-premixed methane micro-jet flame in coflow air were investigated experimentally and numerically. A detailed reaction mechanism was employed in the two-dimension numerical computation. The thermal interaction between the flame and solid tube was considered by using fluid-solid coupled thermal boundaries in the numerical computation. Four typical flames, lifted flame, attached flame, hemisphere flame and umbrella flame, were observed in different fuel flow velocity ranges in experiments. The flame heights, blow off and extinction limits in coflow airs at different velocities were measured. The OH and CH distributions of non-premixed micro-jet flames were obtained by experiments, and the computational results agree well with those from the experiments. The computational temperature distributions show that there are thermal interactions between flames and solid tube. The heat exchanges through surfaces of the solid tube were analyzed in detail. The fresh fuel gas in the solid tube is preheated by the thermal recirculation. Consequently, the combustion intensity of the micro-jet flame is enhanced. The thermal interaction is essentially affected by the flame shape, and it is significant for the hemisphere flame. (C) 2016 Elsevier Ltd. All rights reserved. |
| Subtype | Article |
| Keyword | Non-premixed Methane Micro-jet Flame Coflow Air Combustion Characteristics Thermal Interaction |
| WOS Headings | Science & Technology ; Physical Sciences ; Technology |
| DOI | 10.1016/j.applthermaleng.2016.10.082 |
| WOS Subject Extended | Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics |
| WOS Keyword | DIFFUSION FLAMES ; TEMPERATURE-GRADIENT ; RADIAL MICROCHANNEL ; H-2/AIR MIXTURE ; SPLITTING LIMIT ; NARROW CHANNEL ; HEATED CHANNEL ; WALL CAVITIES ; STABILIZATION ; EXTINCTION |
| Indexed By | SCI |
| Language | 英语 |
| Funding Organization | National Natural Science Foundation of China(51336010) ; National Basic Research Program of China(2014CB239601) ; Science and Technology Project of Guangdong Province(2016A040403095) |
| WOS Subject | Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics |
| WOS ID | WOS:000394831500030 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.giec.ac.cn/handle/344007/14053 |
| Collection | 中国科学院广州能源研究所 |
| Affiliation | 1.Chinese Acad Sci, Guangzhou Inst Energy Convers, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China 2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China |
| First Author Affilication | GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Li, Xing,Zhang, Jing,Yang, Haolin,et al. Combustion characteristics of non-premixed methane micro-jet flame in coflow air and thermal interaction between flame and micro tube[J]. APPLIED THERMAL ENGINEERING,2017,112:296-303. |
| APA | Li, Xing,Zhang, Jing,Yang, Haolin,Jiang, Liqiao,Wang, Xiaohan,&Zhao, Daiqing.(2017).Combustion characteristics of non-premixed methane micro-jet flame in coflow air and thermal interaction between flame and micro tube.APPLIED THERMAL ENGINEERING,112,296-303. |
| MLA | Li, Xing,et al."Combustion characteristics of non-premixed methane micro-jet flame in coflow air and thermal interaction between flame and micro tube".APPLIED THERMAL ENGINEERING 112(2017):296-303. |
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