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An implicit relation between temperature and reaction rate in the SLFM
  • 期刊名称：Theoretical and Applied Mechanics Letters
  • 时间：2011.1.1
  • 页码：1-3
  • 分类：TK1[动力工程及工程热物理—热能工程]
  • 相关基金：supported by CAS(KJCX2-SW-L08), 973 Program of China(2007CB814800,2009CB724100); NSFC(11072247,10702074,10732090,50906096); the LNM initial funding for young investigators
  • 相关项目：粗糙壁面竖直槽道中颗粒-湍流相互作用机理研究
作者： Jian Zhang|Guo-wei He|Guodong Jin|
中文摘要：

The 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 extinctio...

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