运用动态监测技术，测定了喷嘴孔径对鼓泡床质量传递的影响以及鼓泡床体积传质系数随床高的分布。
Using on-line monitoring technology, effect of the nozzle diameters on, liquid volume mass transfer coefficient, and its axial distribution were studied.
主要考虑了喷嘴的结构参数，气液比（ALR），液体粘度等因素对流量系数的影响。
The influence factors considered are as follows: the structure parameters, ALR and the viscosity of the liquid.
采用FLUENT软件对大气式燃气燃烧器的引射器进行数值模拟，得出喷嘴位置与一次空气系数的关系。
The numerical simulation of the injector of atmospheric gas burner is carried out using software FLUENT, and the relationship between nozzle position and primary air coefficient is obtained.
对多喷嘴引射混合式加热器的加热性能进行了试验研究，分析了工作流体压力和引射孔结构对引射混合式加热器的出口温度、引射系数以及加热效率的影响。
The influence of the working fluid pressure and the structure of ejecting nozzle on the outlet temperature, ejecting coefficient and heating efficiency of the ejecting-mixing heater were analyzed.
实验研究发现，扇形喷嘴可以提供最为均匀的喷雾效率，其变化系数小于15%。
Flat fan nozzles were found to provide the most uniform spray pattern under many pressure conditions with a coefficient of variation less than 15%.
理论推导了气泡雾化的临界流量系数；建立喷嘴穿透深度的经验公式；
First, the critical discharge coefficient formula of the effervescent atomization and the penetration correlation for the pressure atomization were constructed.
喷嘴流量系数受喷嘴孔径影响，并与雾化压力有微弱关系。
The flow coefficient has no relation to pressure, but the nozzle hole diameter.
氢氧喷嘴流量系数随缩进深度增大而减小；
The deeper recess length of liquid post leads to smaller injector discharge coefficients of oxygen and hydrogen.
本文提出具有可变几何喷嘴的增压器轴流涡轮热力计算方法。 引入三个脉冲系数将脉冲涡轮按等压涡轮计算。
This paper presents a method for thermodynamic calculation of the axial flow turbocharger turbine with variable geometry nozzle.
通过实验测量与拟合，最后得到了喷嘴的流量系数的表达式，可以用来指导喷嘴的设计。
Through experimental measurements and fitting a mathematical expression of the nozzle flow factor is obtained, which can serve as a guide for the spray nozzle design.
通过实验测量与拟合，最后得到了喷嘴的流量系数的表达式，可以用来指导喷嘴的设计。
Through experimental measurements and fitting a mathematical expression of the nozzle flow factor is obtained, which can serve as a guide for the spray nozzle design.
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