汽油机点火系统参数对其性能及排放的影响

The Effects of Ignition System Parameters on Gasoline Engine Performance and Emissions

基于现有1.5 L自然吸气发动机,研究了火花塞间隙和点火线圈能量对发动机性能和排放的影响。试验结果表明,本次试验所选用火花塞间隙和点火线圈能量,对发动机扭矩的影响非常轻微。这两项参数对发动机排放中一氧化碳、氮氧化物及颗粒物的影响较小;而对碳氢排放有着更大的影响。

Based on 1.5L naturally aspirated gasoline engine,the impacts of spark plug gap and ignition coil energy on engine emissions are studied.The test results show that the spark with varietal gap and different ignition coil energy which applied to the engine affect the torque slightly.These parameters have some impact on hydrocarbon,but little impact on nitric oxide,carbon monoxide and particle numbers.