The Effect of Gap Width on Premixed Flame Propagation in Non-adiabatic Closed Hele-Shaw Cells

doi:10.1080/00102202.2021.1893701

	The Effect of Gap Width on Premixed Flame Propagation in Non-adiabatic Closed Hele-Shaw Cells
	Huo, Jiepeng 1,2,3,4; Su, Hang 1,2,3,4; Jiang, Liqiao 2,3,4; Zhao, Daiqing 2,3,4,5; Li, Xing 2,3,4; Wang, Xiaohan 2,3,4
刊名	COMBUSTION SCIENCE AND TECHNOLOGY
	2021-04-06
页码	24
关键词	Premixed laminar flames micro-combustion closed narrow chambers flame speed heat loss
ISSN号	0010-2202
DOI	10.1080/00102202.2021.1893701
通讯作者	Zhao, Daiqing(zhaodq@ms.giec.ac.cn)
英文摘要	The premixed flame propagation with conductive heat loss in millimeter-scale narrow closed cells of different gap widths is investigated experimentally and numerically. The flame evolution is observed in a disc-shaped cell of which the width is varied from 2.0 mm to 5.0 mm. A non-monotonic relation between the flame propagation velocity and the gap width is found. Time-dependent numerical results exhibit good agreement with the experimental data and indicate that the flame behaviors are highly sensitive to the gap width. Since gap downsizing leads to significant heat loss and viscous friction from the wall, the propagation velocity will drop to almost laminar flame speed halfway for 2.0 mm width. For larger gaps, the flame propagation velocity is determined by the combined effect of the flame straining and the conductive heat loss. The former increases the flame front area while the latter strongly weakens the flame distortion. The trade-off of them yields the non-monotonic relation and an optimal width of 3.0 mm.
资助项目	National Key R&D Program of China[2018YFB1501500] ; National Basic Research Program of China[2014CB239601] ; Foundation of CAS Key Laboratory of Renewable Energy[y907j91001]
WOS研究方向	Thermodynamics ; Energy & Fuels ; Engineering
语种	英语
出版者	TAYLOR & FRANCIS INC
WOS记录号	WOS:000637240600001
资助机构	National Key R&D Program of China ; National Basic Research Program of China ; Foundation of CAS Key Laboratory of Renewable Energy
内容类型	期刊论文
源URL	[http://ir.giec.ac.cn/handle/344007/32965]
专题	中国科学院广州能源研究所
通讯作者	Zhao, Daiqing
作者单位	1.Univ Chinese Acad Sci, Beijing, Peoples R China 2.Chinese Acad Sci, CAS Key Lab Renewable Energy, 2 Nengyuan Rd, Guangzhou, Guangdong, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou, Peoples R China 4.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou, Peoples R China 5.Nanjing Univ Aeronut & Astronaut, Nanjing, Peoples R China
推荐引用方式 GB/T 7714	Huo, Jiepeng,Su, Hang,Jiang, Liqiao,et al. The Effect of Gap Width on Premixed Flame Propagation in Non-adiabatic Closed Hele-Shaw Cells[J]. COMBUSTION SCIENCE AND TECHNOLOGY,2021:24.
APA	Huo, Jiepeng,Su, Hang,Jiang, Liqiao,Zhao, Daiqing,Li, Xing,&Wang, Xiaohan.(2021).The Effect of Gap Width on Premixed Flame Propagation in Non-adiabatic Closed Hele-Shaw Cells.COMBUSTION SCIENCE AND TECHNOLOGY,24.
MLA	Huo, Jiepeng,et al."The Effect of Gap Width on Premixed Flame Propagation in Non-adiabatic Closed Hele-Shaw Cells".COMBUSTION SCIENCE AND TECHNOLOGY (2021):24.