摘要
基于敏感性分析和反应速率分析,提出了一种简化的生物柴油替代机理。该简化机理由50个组分和81个基元反应组成。通过与详细机理的对比分析,得出该简化机理缸内压力、温度曲线、放热规律与原机理吻合很好,在模拟反应重要物质、自由基的摩尔分数变化过程,生物柴油的燃烧特点上与原机理比较接近,为生物柴油三维模拟燃烧提供一种可行的途径。
A new reduced bio-diesel fuel combustion model is presented based on sensitivity analysis and ROP analysis. This model consists of 50 species and 81 reactions. Compared with the detailed model, this model shows great precision in the variation of the cylinder pressure, cylinder temperature and heat releasing. The model is consistent with original mechanism in simulating the change of important component and the combustion characteristic of bio-diesel. Thus the model can be coupled with CFD software to simulate the bio-diesel combustion.
出处
《农业装备与车辆工程》
2013年第3期45-49,共5页
Agricultural Equipment & Vehicle Engineering
关键词
生物柴油
敏感性分析
简化机理
化学动力学
bio-diesel fuel
sensitivity analysis
reduced mechanism
chemistry kinetics
