流体力学综合实验

11.63446125.51490.8460.030211.16447129.31360.8280.033310.12336137.21140.7910.03049.01276144.3950.7340.03158.07222149.9780.6920.0316 6.97178154.6630.6510.0347 5.96136157.7550.6180.0358 5.04103159.6460.5740.0379 3.9268160.7350.5420.04110 3.0145161.2300.5050.04611 1.9524160.5260.4360.05812 1.0911160.6260.4150.085

1304161.4250.381

序号管路流量闸阀压差截至阀压差闸阀局部阻力系数1 3.8159655 1.04111.5562 3.7394730.7308.8493

1.98

111900.71912.412

0.83010.939

直管阻力与离心泵特性曲线的测定原始数据表

平均值

序号管路流量/(m^3/h)直管压差/(mH 2O)泵出口压力/(kPa)

泵进口压力/(mmHg)轴功率直管摩擦系数闸阀、截止阀局部阻力系数测定原始数据表

截止阀局部阻力系数

114336.00510.76940.3%109715.37611.33341.5%99491.00412.43743.3%88578.45313.41944.8%79337.19414.22145.1%68522.95414.90443.4%58593.51615.32940.2%49548.87915.64537.4%38538.01715.90731.3%29591.69216.02626.0%19170.69716.00919.5%10715.92816.01911.4%0.00016.1140.0%

扬程/(mH 2O)效率

雷诺数