流体流动阻力实验数据处理

1、数据记录与处理平均温度27.5C，水密度=0.9964g/cm3,水黏度=0.000842/kg/m/s1直管阻力系数入与雷诺数Re的测定1.1光滑管1.1.1光滑管测定实验相关数据表（管径d=0.0076m,管长L=1.6m,材料为不锈钢管）序号流量Q(L/h)压降P/kPa流速u(m/s)Re入1100.0490.061550.9800.12452150.0780.092826.4700.08813200.0980.1231101.9600.06224250.1180.1531377.4500.04805300.1420.1841652.9400.04016400.2400.2452203

2、.9200.03817500.3770.3062754.9000.03838600.5390.3683305.8800.03809700.6860.4293856.8600.035610800.8820.4904407.8400.035011901.0780.5514958.8200.0338121001.3430.6135509.8010.0341131502.60.9198264.7010.0294142004.11.22511019.6010.0260153008.51.83816529.4020.02401640014.52.45122039.2020.02301750021.43.0

3、6327549.0030.02171860030.83.67633058.8030.02171970039.84.28838568.6040.02062080050.74.90144078.4040.02012190063.35.51449588.2050.019922100077.96.12655098.0050.01981.1.2光滑管摩擦阻力系数入与雷诺数Re双对数曲线图:0.01,100tooo10000ig(Rs)1.2粗糙管1.2.1粗糙管测定实验相关数据表（管径d=0.010m,管长L=1.6m,材料为不锈钢管）序号流量Q(L/h)压降P/kPa流速u(m/s)Re21100.0

4、780.035418.7450.7862150.1470.053628.1170.6553200.2450.071837.4900.6144250.3240.0881046.8620.5195300.4510.1061256.2350.5026400.7060.1421674.9790.4427501.0290.1772093.7240.4138601.3920.2122512.4690.3879701.7750.2482931.2140.36310802.2160.2833349.9590.34711902.6860.3183768.7040.332121003.3630.3544187.4

5、480.337131506.80.5316281.1730.3031420010.70.7088374.8970.2681530022.01.06212562.3450.2451640036.51.41516749.7940.2291750054.91.76920937.2420.2201860077.92.12325124.6900.21719700103.52.47729312.1390.21220800131.52.83133499.5870.2060.90.8070.60.50.40.3lg(Re)1.2.2粗糙管摩擦阻力系数久与雷诺数Re双对数曲线图:-Z-三二三2局部阻力系数测定0

6、.90.8070.60.50.40.3lg(Re)1.2.2粗糙管摩擦阻力系数久与雷诺数Re双对数曲线图:-Z-三二三被测局部阻力直管段管径d=0.015m,管长L=1.2m，材料为不锈钢管)2.1局部阻力实验数据表(1/4开)序号流量Q(L/h)近端压差P(Kpa)远端压差厶P(Kpa)流速u(m/s)局部阻力压差P(Kpa)阻力系数160081.282.10.94280.3181.786265096.296.91.02095.5184.2153700109.3110.21.099108.4180.2944750124.0125.01.177123.0178.2095800142.1143.

7、21.255141.0179.5516850160.2161.21.334159.2179.5787900175.2176.61.412173.8174.8692.2局部阻力实验数据表(半开)序号流量Q(L/h)近端压差P(Kpa)远端压差厶P(Kpa)流速u(m/s)局部阻力压差P(Kpa)阻力系数16005.66.50.9424.710.64026507.07.91.0206.111.76737008.09.11.0996.911.47647509.110.21.1778.011.591580010.411.71.2559.111.588685011.713.11.33410.311.61

8、8790013.314.91.41211.711.772895015.016.71.49113.312.0102.3局部阻力实验数据表(3/4开)序号流量Q(L/h)近端压差P(Kpa)远端压差厶P(Kpa)流速u(m/s)局部阻力压差P(Kpa)阻力系数16003.34.10.9422.55.66026503.94.81.0203.05.78737003.55.41.0991.62.66147505.16.11.1774.15.94058005.87.01.2554.65.85868506.67.91.3345.35.97879007.48.81.4126.06.03789508.49.71.4917.16.4112.4局部阻力实验数据表(全开)序号流量Q(L/h)近端压差P(Kpa)远端压差厶P(Kpa)流速u(m/s)局部阻力压差厶P(Kpa)阻力系数16003.34.00.9422.65.88626503.94.71.0203.15.98037004