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Near quenching limit instabilities of concurrent flame spread over thin solid fuel
Wang SF(王双峰); Wang SD(王绥德); Zhu KC; Xiao Y; Lu ZB
Source PublicationCombustion Science and Technology
2016
Volume188Issue:3Pages:451-471
ISSN0010-2202
AbstractNear quenching limit instabilities of concurrent flame spread over thin cellulosic fuel are experimentally studied by employing a narrow channel apparatus. Depending on the oxygen concentration of the imposed flow, two different kinds of instabilities have been identified. Specifically, for oxygen concentration below a critical value, the instability is of fingering or cellular type, whereas for supercritical oxygen concentrations, traveling wave instability prevails, characterized by transverse creeping motion of the flamelets across the fuel edge. Both instabilities are usually accompanied by recurrent flamelet growing and splitting during the flame spread processes. It is justified that the two kinds of instabilities herein identified are diffusive-thermal in nature and may be classified into the category of near quenching limit instability of non-adiabatic diffusion flames. Further, an attempt has been made to gain insight into the physical mechanisms of the flame instabilities by exploiting the similarities between flame spread and smolder wave propagation.
DOI10.1080/00102202.2015.1125346
Indexed BySCI ; EI
Language英语
WOS IDWOS:000375479000009
Funding OrganizationStrategic Pioneer Program on Space Science, Chinese Academy of Sciences XDA04020410 National Science Foundation of China 50706024 11472167 Shanghai Leading Discipline Project Key Laboratory of Microgravity, Institute of Mechanics, Chinese Academy of Sciences
DepartmentNML微重力两相流与燃烧
Classification一类
RankingTrue
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60699
Collection国家微重力实验室
Recommended Citation
GB/T 7714
Wang SF,Wang SD,Zhu KC,et al. Near quenching limit instabilities of concurrent flame spread over thin solid fuel[J]. Combustion Science and Technology,2016,188(3):451-471.
APA 王双峰,王绥德,Zhu KC,Xiao Y,&Lu ZB.(2016).Near quenching limit instabilities of concurrent flame spread over thin solid fuel.Combustion Science and Technology,188(3),451-471.
MLA 王双峰,et al."Near quenching limit instabilities of concurrent flame spread over thin solid fuel".Combustion Science and Technology 188.3(2016):451-471.
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