流量计校核实验报告

1、流量计校核实验报告流量计校核实验报告4/4流量计校核实验报告流量计校核实验报告一、实验操作熟习实验装置，认识各阀门的地点及作用。对装置中相关管道、导压管、压差计进行排气，使倒U形压差计处于工作状态。对应每一个阀门开度，用容积法丈量流量，同时记下压差计的读数，按由小到大的次序在小流量时丈量89个点，大流量时丈量56个点。为保证标定精度，最好再从大流量到小流量重复一次，此后取其均匀值。二、数据办理数据记录计量水箱规格：长400mm；宽300mm管径d（mm）：25孔板取喉径d0（mm）：15.347查出实验温度下水的物性：密度=996.2542kg/m3粘度=0.000958PaS数据办理Redu

2、d4V4Vd2dC0u0Vu0A0C0A02p/2p/则孔板流量计试验数据办理时水箱左右间高度体积流量流速雷诺数/cm/cmR/mt/sh/cmV/m3Qv/m3s-1V/ms-1空流系数C0Remin57.057.0Qv=h.S/t4qvRe=dv/max33.145.3V=d22gRV=C0.133.746.30.126406.70.0081932.05E-041.10780.704916916.60238.247.10.089416.10.0074541.82E-040.98330.744515014.92340.648.80.082415.70.0070221.71E-040.9264

3、0.730714146.29442.548.90.064405.20.0064061.60E-040.86620.773413228.02543.849.40.056414.90.0060371.47E-040.79640.760112160.84645.650.30.047414.50.0055441.35E-040.73130.762011168.12747.951.30.034413.90.0048051.17E-040.63380.77649679.04849.452.20.028413.50.0043121.05E-040.56880.76788686.32951.653.30.01

4、7412.90.0035738.71E-050.47130.81657197.23150.952.80.019403.00.0036969.24E-050.49980.81897631.55248.751.60.029413.70.0045581.11E-040.60130.79769182.68347.150.80.037404.00.0049281.23E-040.66630.782510175.40444.749.90.052414.70.005791.41E-040.76380.756611664.48542.548.80.063415.20.0064061.56E-040.84510

5、.760512905.39640.848.00.072415.60.0068991.68E-040.91010.766113898.110.84000C数0.8200系0.8000流空0.78000.76000.74000.72000.70000.6800孔板流量计R-Qv双对数坐标图lgQv-0.600-4.100-4.050-4.000-3.950-3.900-3.850-3.800-3.750-3.700-3.650-0.800-1.000-1.200y=2.233x+7.302-1.400Rgl-1.600-1.800-2.000孔板流量计C0-Re图y=-0.2058x+1.6043

6、.83.944.14.24.3雷诺数的对数logRe流量计实验数据办理水箱时间高度体积流量流速雷诺数左/cm右/cmR/mt/sh/cmV/m3Qv/m3s-1V/ms-1空流系数C0Remin66.366.34qvmax19.057.8Qv=h.S/td2Re=dv/V=V=C0.2gR129.662.70.3314017.700.02185.45E-044.4721.75655449.87234.164.10.34116.360.02024.92E-044.0321.66350001.92340.366.10.2584014.800.01824.56E-043.7391.66346364.

7、86444.466.30.2194013.400.01654.13E-043.3851.63441979.00548.466.90.1853610.900.01343.73E-043.0601.60737941.22652.567.10.1464011.800.01453.63E-042.9811.76236966.58756.566.40.099419.260.01142.78E-042.2821.63928301.82860.565.70.052407.000.00862.16E-041.7681.75221929.33163.365.30.02404.950.00611.52E-041.

8、2511.99715507.17259.465.70.063417.950.00982.39E-041.9601.76324298.00356.466.20.098409.480.01172.92E-042.3951.72829698.57451.966.40.1454011.020.01363.39E-042.7841.65134523.03545.365.40.2014013.800.01704.25E-043.4861.75743232.10640.765.20.2454013.680.01694.21E-043.4561.57742856.17737.065.00.284015.750

9、.01944.85E-043.9791.69949340.98832.165.20.3314116.400.02024.93E-044.0421.58750124.17927.163.90.3684017.300.02135.33E-044.3711.62754196.76文丘里流量计R-Qv双对数坐标图lgQv-0.800-4.100-4.050-4.000-3.950-3.900-3.850-3.800-3.750-3.700-3.650-1.000-1.200y=2.233x+7.302-1.400-1.600-1.800Rgl-2.000文丘里流量计C0-Re单对数坐标图2.50002.000y=-0.4311x+3.66