The differential pressure across the pressure test points is measured and the flow rate calculated using the calibrated chart or flow coefficient table 测量经过压力测试点的压差，并利用标准化图表或流量系数表计算流动速率。
Flow coefficients at other than fully open may be approximated by use of the characteristic flow curves for tilting disc check and globe valves 不是全开状态的流量系数可以采用适用于提升式阀瓣止回阀和截止阀的流量特性曲线进行估算。
Through simulation the dissertation analyzes the effect of connect stiffness , load inertia , pressure - flux coefficient to the active load system and surplus force ( torque ) 通过仿真,分析了连接刚度、负载惯量、总的压力流量系数对主动加载系统和纯多余力的影响。
Film hole discharge coefficients at first increase with the increase of film hole reynolds number and then keep almost constant when film hole reynolds number exceeds 15000 流量系数随气膜孔雷诺数的增大而增大，当雷诺数达到15000以后，流量系数随雷诺数的变化变小。
Results show that the influence of mainstream reynolds numbers on discharges coefficients and film effectiveness is little but on the heat transfer coefficients is obvious 实验结果表明，主流雷诺数对气膜孔流量系数和气膜孔下游冷却效率影响较小，而对气膜孔下游换热系数的影响则较明显。
The rib geometries have remarkable influence on the discharge coefficients of the film holes , by affecting the second flow pattern in the passage and reattachment point of the main flow ; 2 通道内不同位置处的气膜孔的流量系数不同，通道中后部的气膜孔的流量系数最高，而通道进口处的较低； 3
( 3 ) special attentions are given to flow and heat transfer in the rotating disk cavity which are associated with the rotational reynolds number , and which the mass flow rate coefficient cw ( 3 )在研究旋转雷诺数re _对该盘腔流动和换热的影响的基础上，进一步研究了流量系数cw对流动和换热的影响。
Swirl is a key parameter that directly influences the efficiency and exhaust property of diesel engine , and it must be taken into consideration in designing and development process 摘要涡流和流量系数是影响柴油机经济性与排放特性的关键参数，在柴油机设计和改进过程中需要对气道的此两个参数进行测量和评价。
The mass flow rate coefficients increase and achieve a constant at last with increasing blowing ratio . the influence of blowing ratio on the heat transfer coefficients and film effectiveness is complex 流量系数随吹风比的增大而增大并最终趋于某个定值，但吹风比对气膜孔下游换热系数和冷却效率则较为复杂。
The law how the controlling parameters , such as the pressure before injecting , total pressure of the gas , the survey distance to exit , affect the discharge coefficient and the mean diameter of the spray is analyzed 通过冷态试验,分析了液体喷注压降、气体总压等控制参数及测量位置对喷嘴流量系数、雾化平均直径的影响。
