性能曲线实验记录(A单泵
转速n=2850转/分钟Z=0.72米
测值
压力表真空表流量Q功率表P1有效功率
计算参数轴功率
项目序号
PM（Mpa）10.06020.07030.08040.09050.09260.11870.13380.14790.15410
0.160
A泵
Q(L/s
9.04.1659.33.9749.53.8259.83.74610.33.44811.03.20311.62.89612.42.67613.7
2.36
P（Mpa（L/s（Kw）扬程（m
V（Kw）0.0263.8451.0539.4890.3580.0243.5731.04610.3050.3610.0203.2651.00010.9170.3500.0183.0880.97911.7330.3550.0142.80.94311.5290.3170.0092.3610.88513.6700.3170.0021.9260.81014.4860.2740.0001.3510.69515.7090.2080.0000.9520.65216.4230.1530.000
0.638
0.601
17.035
0.107
离心泵串联实验记录(A、B泵）
转速n=2850转/分钟B泵
串联机组
H2（mQ(L/sPVA（MpaPMB（Mpa）扬程（m9.04.1650.0340.0509.2859.33.9740.0300.06510.4079.53.8250.0280.08412.1409.83.7460.0260.10213.77210.33.4480.0220.13016.21911.03.2030.0190.16018.97211.62.8960.0160.18821.52112.42.6760.0130.20823.25513.7
2.36
0.010
0.230
25.192
（Kw）0.7580.7530.7200.7050.6790.6370.5830.5000.4690.433
Z=0.72米
4.1653.9743.8253.7463.4483.2032.8962.6762.36
H1（mQ(L/s
14.71.72314.71.7230.0020.27829.2711.723
分析：初始流量较大时，两个泵串联时的扬程不等于单泵的扬程之和，但随着流量的减小，两。原因可能是流量大时，损失较大。
N0.72
姓名：学号：
效率
