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特性,综合考虑了
的可压缩性、魏氏效
、
连
流
件和球阀的
力特性,建立了直线电机采油泵球阀运
规律的精确运
微分方程组。