For the sake of predicting dynamic characteristics of variable valve timing system at early stage of engine development,......

In this work, we document the influence of variable valve timing on performance of a turbocharged gasoline direct injec-......

在装备电控液压驱动可变气门机构的单缸试验发动机上，通过排气门二次开启的方式在进气冲程中将已排入排气管的已燃废气重新吸入气缸......