Through experiment, achieved the relation of the flux and the opening degree of the SPF balance valve, protracted the ideal flow characteristic curve.
通过实验，得到了SPF型平衡阀的流量与开度间的关系，绘制了理想流量特性曲线。
An algorithm calculating the opening degree of the electronic valve in succession is proposed, and the application in the engineering practice proves that the algorithm has a good control result.
文章提出了一种计算无连续开度反馈的电动调节阀开度的算法，并应用于实际工业过程控制系统，取得了很好的控制效果。
Barometric pulse could cause stronger disordery degree and better flushing effect by comparing the transfer rates of two pressure waves and pressures caused by valve opening and barometric pulse.
对比开阀和气压脉冲所形成的两种瞬变流形式的压力波传播速度、压力等参数，发现气压脉冲更能增加管道中水流的紊动程度，冲洗效果更好。
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