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汽油机油膜模型参数辨识（Parameters Identification of the Fuel Film Model for Spark Ignition Engines）
汽油机 油膜模型 参数辨识
2010/12/28
为了提高汽油机瞬态空燃比的控制精度，油膜模型被广泛使用。回顾了油膜模型参数的传统辨识方法，提出了可加快辨识过程的解耦辨识法，实现了模型参数的解耦自动辨识。通过仿真试验，证明了该解耦辨识法的有效性。最后提出了较为理想的双方程辨识方法，可定量计算得到油膜参数的值。
A Simulation Model for a Single Cylinder Four-Stroke Spark Ignition Engine Fueled with Alternative Fuels
Power generation Pollution ICE Spark ignition engine model Simulation model Thermodynamics
2009/10/9
Considering the energy crises and pollution problems today, investigations have concentrated on decreasing fuel consumption by using renewable alternative fuels and on lowering the concentration of to...
甲醇缸内直喷发动机均质燃烧特性研究（Experiment on Homogeneous Charge Combustion Characteristics of Direct-injection Spark-ignition Methanol Engine）
缸内直喷 均质燃烧 甲醇发动机 燃烧特性 试验
2009/7/29
在一台四缸柴油机改造的火花点火甲醇缸内直喷发动机上，高负荷时，在进气冲程将燃油喷入缸内，形成近化学计量比的混合气来实现均质燃烧。通过对典型工况的气缸压力的测量和分析，探讨了不同参数对甲醇发动机燃烧特性的影响。结果表明：甲醇缸内直喷发动机最大功率和最大扭矩比原机分别提高5.88％和20.90％，发动机最高热效率可达35.3%，远高于普通汽油机水平。甲醇缸内直喷发动机的滞燃期和急燃期随负荷的增加而变小...
Improving the Performance of Two Stroke Spark Ignition Engine by Direct Electronic CNG Injection
Two-stroke spark ignition engine direct injection CNG
2008/12/30
Two stroke spark ignition engines have high exhaust emissions and low brake thermal efficiency due to the short circuiting losses and incomplete combustion, which occur during idling and at part load ...