The vectoring Angle increases with the decreasing of the nozzle pressure ratio.
减小喷管落压比可以提高矢量偏转角度。
The method can be used for combustion Chambers with any shape to match the fuel injection pressure, nozzle construction, injector position and intake swirl ratio with chamber shape.
该方法可适于任意形状的燃烧室，能反映出喷油压力、喷油嘴结构及安装位置、进气涡流比等参数与燃烧室形状的匹配关系。
After simulate we know the nozzle have direct ratio between inlet-plane-centre velocity and work pressure.
通过模拟得出，喷头进口截面中心的速度与喷雾工作压力呈正比。
The patterns of the pressure fields of fluid jets with the different ratio between nozzle diameters were obtained. Based on the test results, the ranges of the optimum ratio …
研究表明，加长喷嘴井底压力分布比普通喷嘴的高压区和低压区更集中；
In the study of flow oscillation and discrete frequency noise of impinging jet, it is found that there is a critical pressure ratio for a given nozzle and a nozzle-to-plate distance.
为探索冲击射流离散频率噪声的产生机理，系统地研究了冲击射流离散频率噪声的特性。
Compared with the single-nozzle jet aerator, the variations of the entrainment ratio and efficiency with pressure ratio for quad-nozzle jet aerator are remarkable.
相对于单喷嘴射流器，四喷嘴射流器的流量比和效率随压力比的变化显著；
Compared with the single-nozzle jet aerator, the variations of the entrainment ratio and efficiency with pressure ratio for quad-nozzle jet aerator are remarkable.
相对于单喷嘴射流器，四喷嘴射流器的流量比和效率随压力比的变化显著；
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