primary air ratio的意思|示意

The curve of relationship between flame speeds and the primary air ratio is got, and when primary air ratio is about 0.

得出了二甲醚火焰传播速度与一次空气系数的关系曲线，并且在一次空气系数约为0。

It is shown that both the ignition and the combustion efficiency can be significantly improved and the ratio of primary air can be greatly increased.

试验结果表明，钝体可显著改善劣质煤着火情况和大幅度提高燃烧效率，并可允许大幅度提高一次风率。

The effects of the louver structure parameters, the feed concentration and the primary air velocity on the concentrated ratio (RC) were studied by the gas solid two-phase flow experiments.

通过气固两相流实验研究了浓缩比与百叶窗结构，给粉浓度及一次风速的定量关系。

The effects of swirl number of primary swirler and radial swirler, area ratio and sleeve divergence angle on the cold flow field of double swirl air intake were investigated.

试验研究了主、径向涡流器旋流数、面积比、套筒扩张角等参数对双旋流进气装置冷态流场的影响。

The results illustrate that primary air ratio has a major effect on pulverized coal ignition and minor effects on gas temperature, oxygen concentration and unburned carbon at furnace exit.

结果表明：一次风率对煤粉气流的着火影响较大，而对出口处烟气温度、氧量以及飞灰含碳量影响较小。

Selection of the primary and secondary airflow rate, the guide Angle of the blade, the primary air ratio as well as the material for manufacture of the burner nozzle are given.

然后介绍了一、二次风速，旋流叶片的导角，一次空气比例系数等参数的选择及制造烧嘴的材料。