The condensability of liquid,the Westphal's effect and the continuous flow condition are not only comprehensively considered,but also the dynamic property of the ball valve being established.
结合现场试验,根据直线电机采油泵运动特,综合考虑了液体
可压缩
、
效应、液体连
流动条件和
动力特
,建立了直线电机采油泵
运动规律
精确运动微分方程组。