層流拡散火炎片方程式の解法とその解特性に関する一考察(熱工学,内燃機関,動力など)

概要

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One-dimensional simulation of laminar diffusion flame is performed both in physical and mixture-fraction (Z) space, and the relation between their flamelets are investigated. The strain rate, which characterizes the flamelet behavior in physical space, is converted into scalar dissipation rate and the combustion properties are transfered to Z space. The results show that the behaviors of the flamelets under the assumption of unity Lewis number for Z space calculation are in general agreement with those for physical space calculation. For the Z space calculation, non-unity Lewis number condition leads to the expansion of the extinction limit and the decrease of the peak temperature. As a results, the distributions of the temperature and mass fractions with Z deviate from those for Z space calculation with unity Lewis number assumption and physical space calculation.
一般社団法人日本機械学会の論文
2006-08-25