cold gas fraction的意思|示意

Adjusting the cold gas fraction can control the performance target of vortex tube with fixed other parameters, which offers some referring data for practice applications of vortex tube.

在其它参数一定的情况下，可以通过调节冷气流分量来改变涡流管的性能指标。为涡流管的实际应用提供了一定的参考数据。

The results show that a proper increase of residual gas fraction could promote ignition and combustion stability of first firing cycle significantly during cold start.

结果表明，通过调节排气门关闭正时，适当增大缸内残余废气量，可显著改善起动过程初始着火循环的着火燃烧性能和提高起动过程缸内燃烧的稳定性。