This formula based on the character parameter of relative flow ratio and relative hydraulic disturbance degree.
该公式以相对流量比和相对水力失调度为特征参数。
2
A method of calculating hydraulic and thermodynamic parameters such as flow, ratio of water in oil, pressure, temperature, specific heat for oil, gas, water pipe net is presented.
文中给出了油、气、水管网系统的水力、热力参数，包括流量、含水率、压力、温度、比热等的计算方法。
3
For pipelines with a uniform gradient, safety ratio is an important index for evaluating the hydraulic safety of a system.