... 卸荷式降低压力阀 balanced reducing valve 排量系数 coefficient of discharge 无阀振荡泵 valvele vibration pump ...
基于1102个网页-相关网页
The discharge coefficient is calculated, and the main influencing factors are analyzed.
本文对有杆抽油泵的排量系数进行了详细的计算，系统地分析了影响排量系数的主要因素。
参考来源 - 有杆抽油泵性能及泵功图计算分析·2,447,543篇论文数据，部分数据来源于NoteExpress
根据油井供、排平衡原则，得出了抽油泵排量系数相对稳定状态下产量预测的关系；
According to the principle of supply and discharge balance, the method to predict oil yield is presented.
本文以大量的现场测试数据为基础，建立了抽油机井排量系数、井下功率损失及地面效率的回归方程；
On the basis of a large number of field data, the regression equations of displacement coefficient, down-hole power loss and surface efficiency for pumping wells are established.
本文对三种典型结构的安全阀进行了排量系数与开启高度关系的试验，并对试验结果进行了分析和讨论。
The correlation between discharge coefficient and lift was tested for three typical safety valves, and the experimental results were analysed and discussed in this paper.
应用推荐