化工原理实验数据参考之离心泵

表1离心泵特性曲线测定数据,,,,,,,,,,,

离心泵型号：WB70/055电机效率：60%两取压口之间垂直距离：355mm入/出口管径：25/45mm水温：T平均=21.7℃水密度ρ=998.02Kg/m3,,,,,,,,,,,

序号,涡轮流量计（m3/h）,入口真空表读数（MPa）,出口压强表读数（Mpa）,功率表读数（kw）,流量Q(m3/h),入口流速u1(m/s),出口流速u2(m/s),压头H(m),泵轴功率N（w）,有效功率Ne(w),η(%)

1,10.8,-0.030,0.034,0.77,10.80,6.11,1.89,5.17,462,152,32.9

2,10.1,-0.026,0.052,0.77,10.10,5.72,1.76,6.81,462,187,40.5

3,9.2,-0.021,0.071,0.77,9.20,5.21,1.61,8.50,462,213,46.0

4,8.2,-0.016,0.092,0.75,8.20,4.64,1.43,10.39,450,232,51.5

5,7.4,-0.013,0.106,0.73,7.40,4.19,1.29,11.70,438,235,53.8

6,6.3,-0.009,0.127,0.70,6.30,3.57,1.10,13.66,420,234,55.7

7,5.5,-0.006,0.141,0.66,5.50,3.11,0.96,14.92,396,223,56.4

8,4.6,-0.002,0.154,0.63,4.60,2.60,0.80,15.98,378,200,52.9

9,3.6,0.000,0.168,0.58,3.60,2.04,0.63,17.32,348,170,48.7

10,2.8,0.000,0.178,0.53,2.80,1.59,0.49,18.42,318,140,44.1

11,2.0,0.000,0.184,0.48,2.00,1.13,0.35,19.09,288,104,36.1

12,1.2,0.000,0.192,0.43,1.20,0.68,0.21,19.94,258,65,25.2

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表2离心泵管路特性曲线,,,,,,,,,,,

两取压口之间垂直距离：355mm入/出口管径：25/45mm水温：T平均=21.9℃水密度ρ=997.8Kg/m3,,,,,,,,,,,

序号,电机频率Hz,涡轮流量计读数（m3/h）,入口真空表读数(MPa),出口压强表读数(MPa),流量Q(m3/h),入口流速u1(m/s),出口流速u2(m/s),压头H(m),,,

1,50,10.5,-0.03,0.041,10.5,5.94,1.83,5.77,,,

2,48,10.2,-0.03,0.038,10.2,5.77,1.78,5.36,,,

3,46,9.7,-0.02,0.035,9.7,5.49,1.70,4.99,,,

4,44,9.4,-0.02,0.032,9.4,5.32,1.64,4.57,,,

5,42,8.9,-0.02,0.030,8.9,5.04,1.56,4.29,,,

6,40,8.5,-0.02,0.027,8.5,4.81,1.49,3.88,,,

7,38,8.1,-0.02,0.025,8.1,4.59,1.42,3.57,,,

8,36,7.9,-0.01,0.022,7.9,4.47,1.38,3.11,,,

9,34,7.2,-0.01,0.020,7.2,4.08,1.26,2.86,,,

10,32,6.8,-0.01,0.017,6.8,3.85,1.19,2.43,,,

11,30,6.4,-0.01,0.015,6.4,3.62,1.12,2.20,,,

12,28,6.0,-0.01,0.013,6.0,3.40,1.05,1.97,,