基于特征值分析的正癸烷骨架和总包简化机理

doi:10.3866/PKU.WHXB201312103

Abstract

Abstract:

Based on the eigenvalue analysis reduction method, a detailed mechanism of n-decane with 118 species and 527 reactions was simplified. A skeletal mechanism with 70 species and 327 reactions was thus obtained. The computational singular perturbation (CSP) reduction method, which is based on eigenvalue analysis, was subsequently used to simplify the skeletal mechanism, and a reduced mechanism with 38 species and 34 reaction steps was developed. Comparison between the reduced mechanism, skeletal mechanism, and detailed mechanism showed that the reduced and skeletal mechanisms could reproduce the characteristics of the detailed mechanism and give the combustion characteristics of n-decane. The development of these models represents a significant step toward coupling of chemical reaction kinetics with computational fluid dynamics, and is a good basis for improving computational efficiency.

Key words: n-Decane, Eigenvalue analysis, Mechanism reduction, Skeletal mechanism, Reduced mechanism

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ZHONG Bei-Jing, YAO Tong, WEN Fei. Skeletal and Reduced Mechanisms of n-Decane Simplified with Eigenvalue Analysis[J]. Acta Phys. -Chim. Sin. 2014, 30(2), 210-216. doi: 10.3866/PKU.WHXB201312103

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Skeletal and Reduced Mechanisms of n-Decane Simplified with Eigenvalue Analysis

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