压力孔隙比曲线
The tail pipe diameter ratio has great effect on the starting point and tendency of the correlation curve of the pressure drop ratio and fractional flow ratio;
尾管直径比对压降比和分流比关系曲线的起点和变化趋势影响较大;
This paper studies, a new method for measuring flow rate characteristics of pneumatic solenoid valves, namely measuring sonic conductance C and critical pressure ratio b of pneumatic solenoid valves using discharge pressure curve of isothermal chambers.
对一种新的测试气动元件流量特性的方法进行了研究,即利用等温容器的放气曲线来测量气动电磁阀的音速流导C和临界压力比b。
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