Small amounts of fuel are introduced into the combustion chamber prior to the main injection event, reducing lag time and promoting more continuous and complete combustion.
少量的燃油被引入燃烧室的主要注射液事件之前，减少滞后时间，促进更多的连续和完整的燃烧。
2
In the calculations of roll torque of ablation lag, a rapid method for calculating combined influence of ablation injection and roughness on skin friction coefficient is mainly described.