The effect of the natural gas supply method, passage diameter and heated temperature ofintake air on the ignition, combustion and emission are studied.
The effects ofintake chamber volume, diameter and length of inlet duct and inlet manifold on volumetric efficiency were analyzed.
分析了进气总管和进气支管的管长、管径以及进气腔容积对充气系数的影响规律。
3
Structure parameters of its variable intake system, such as diameter and length ofintake manifold, switching speed of control valve switch, etc. , are optimized.