基于皱折火焰面分形理论的火花点火发动机准维燃烧模型  

A Quasi dimensional Combustion Model for Spark Ignition Engines Using Fractal Rough Surface Theory

作　　者：陈泽智[1] 吴惠忠 姜乐华[3] 

机构地区：[1]南京理工大学动力学院,210094 [2]中国船舶工业总公司711研究所热气机中心,200011 [3]江苏理工大学,212013

出　　处：《农业机械学报》2000年第6期7-10,共4页Transactions of the Chinese Society for Agricultural Machinery

摘　　要：提出了一个火花点火发动机准维燃烧模型。该模型是在双区热力学过程的基础上 ,采用基于皱折火焰面分形理论来描述火花点火发动机气缸内的湍流燃烧及火焰传播速度 ,并确定了其他子现象的计算方法。利用该模型 ,对在快速压缩膨胀机中模拟的沼气发动机燃烧过程进行了模拟计算。计算结果与实测值吻合较好 。A quasi dimensional combustion model for spark ignition engines was developed. This combustion model was based on a double zone thermodynamics using fractals to describe the geometry of flamelets in premixed turbulent combustion and its propagation, and some sub models were also proposed. The model was used in making calculation simulation for combustion processes in biogas ignition engine, which was obtained in a rapid compression expansion machine. The calculation results showed a good agreement with experimental data, demonstrating that the combustion model is reasonable.

关 键 词：火花点火发动机 准维燃烧模型 分形理论 

分 类 号：TK431[动力工程及工程热物理—动力机械及工程]