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An implicit relation between temperature and reaction rate in the SLFM
Zhang J(张健); He GW(何国威); Jin GD(晋国栋); He GW(何国威)
Source PublicationTHEORETICAL & APPLIED MECHANICS LETTERS
2011
Volume1Issue:1Pages:012003
ISSN2095-0349
AbstractThe Arrhenius law implies that reaction rate is a continuous function of temperature. However, the steady laminar flamelet model (SLFM) does not explicitly give this functional relationship. The present study addresses this relation in the SLFM. It is found that reaction rate is not continuous in the mixture-fraction space. As a result, the SLFM is unable to predict local extinction and reignition. Furthermore, we use the unstable branch of the ``$S$-curve" to fill the gap between steady burning branch and extinction one, and find that this modification leads to a continuous dependent of reaction rate on temperature. Thus the modified SLFM can describe the local extinction and reignition.
Subject Area湍流
URL查看原文
Language英语
DepartmentLNM湍流
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46947
Collection非线性力学国家重点实验室
Corresponding AuthorHe GW(何国威)
Recommended Citation
GB/T 7714
Zhang J,He GW,Jin GD,et al. An implicit relation between temperature and reaction rate in the SLFM[J]. THEORETICAL & APPLIED MECHANICS LETTERS,2011,1(1):012003.
APA Zhang J,He GW,Jin GD,&何国威.(2011).An implicit relation between temperature and reaction rate in the SLFM.THEORETICAL & APPLIED MECHANICS LETTERS,1(1),012003.
MLA Zhang J,et al."An implicit relation between temperature and reaction rate in the SLFM".THEORETICAL & APPLIED MECHANICS LETTERS 1.1(2011):012003.
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