Results from diagnostic model indicate that the turbulent-to-laminarflame speed ratio (FSR) around TDC (i.e. in full flame developed part) isa linear function of the engine speed at a certain throttle.

• 由试验结果进行的诊断分析表明:对一定的节气门开度,紊流燃烧速度与层流燃烧速度之比值FSR在压缩上止点前后(即火焰充分传播阶段时),仅与转速成线性关系。