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Effects of the scalar dissipation rate on the steady laminar flamelet model
Zhang J(张健); Jin GD(晋国栋); He GW(何国威); Zhang, JA (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100080, Peoples R China.
Source PublicationPhysica Scripta
2010-12
VolumeT142Pages:014048/1-014048/5
ISSN0031-8949
AbstractThe effects of the scalar dissipation rate (SDR) on the quenching points of the steady laminar flamelet model at different stoichiometric ratios of reactants are investigated for a one-step reversible reaction with the Arrhenius rate. SDRs are either presumed uniform or modeled by the mapping closure approach. With these two models, steady flamelet equations are solved in mixture-fraction space, and complete 'S-shaped' curves are obtained. The results show that the SDR models affect the locus of the 'S-shaped' curves and the quenching points are remarkably different. The quenching state is reached at a lower chi(st) for chi = chi(st) but at a higher chi(st) for chi = chi(st)exp[ -2 erfc(-1) (2z)(2)]. However, when the flame state is far from the quenching point, the difference in 'S-shaped' curves is small. This result is associated with the mixed state of the reactants; the poorer the mixing, the more remarkable the difference in 'S-shaped' curves becomes.
Subject Area化工流体力学
DOI10.1088/0031-8949/2010/T142/014048
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000285777700050
WOS KeywordPREMIXED TURBULENT COMBUSTION ; EXTINCTION ; SIMULATION ; PROGRESS
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Department非线性力学国家重点实验室
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48715
Collection非线性力学国家重点实验室
Corresponding AuthorZhang, JA (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Zhang J,Jin GD,He GW,et al. Effects of the scalar dissipation rate on the steady laminar flamelet model[J]. Physica Scripta,2010,T142:014048/1-014048/5.
APA 张健,晋国栋,何国威,&Zhang, JA .(2010).Effects of the scalar dissipation rate on the steady laminar flamelet model.Physica Scripta,T142,014048/1-014048/5.
MLA 张健,et al."Effects of the scalar dissipation rate on the steady laminar flamelet model".Physica Scripta T142(2010):014048/1-014048/5.
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