车用生物燃料应用性能仿真研究进展

Research progress of simulation research on application performance of vehicle-biofuels

车用生物燃料是可再生替代能源之一,仿真研究是车用生物燃料应用研究的主要方法,燃烧放热规律及内燃机条件下的燃烧排放生成过程是车用生物燃料应用仿真研究的重要内容,研究成果对生物燃料的提质改性及推广具有重要意义。基于当前车用生物燃料应用仿真研究成果,阐述了燃烧化学反应机理以及内燃机燃烧条件下计算流体动力学仿真研究的发展,分析了生物燃料燃烧机理构建与简化的技术思路以及机理简化成果,梳理了耦合化学反机理的CFD仿真模型在生物燃料的应用进展;进一步指出基于生物燃料多组分特征的燃烧化学反应机理的构建及机理简化是应用仿真研究的重要基础,内燃机工作条件下燃料多组分特征对燃烧和排放性能的影响是深入开展仿真研究的重要方向。

In order to promote the in-depth development of simulation research of biofuel application,the development of the chemical reaction mechanism of biofuel combustion was explained,and application of Computational Fluid Dynamics Model in Combustion Simulation of Internal Combustion Engines were also explored.The technical idea of biofuel combustion mechanism construction and simplification was analyzed.The research progress of biofuel combustion simulation based on CFD combustion model was explored.By calling the biofuel combustion mechanism,Study on the combustion process and emission generation law of internal combustion engine was effective.The review showed that the chemical kinetics of biofuel combustion can be generated by the coupling and simplification of a typical single component combustion mechanism.By calling this synthesis mechanism,the combustion process analysis and emission generation analysis of biofuel.can be realized.Research showed that simulation research was an important technical approach to achieve biofuel application research.