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流量计的标定

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流量计校正数据记录表t=23℃ 涡轮流量计系数 N=320.4 转/(L/s) 孔板直径dο=0.018mm孔板压降阻力损失 序号涡轮流量机系数流量(L/s)左读数右读数左读数右读数11510.47130.53335.133.8 21810.56530.233.735.433.5 32100.65929.734.335.733.2 42400.7492934.936.132.9 52710.84628.235.736.632.4 63010.93927.436.637.132 73301.02026.437.537.631.4流量计校正数据处理表锐孔截面积 Aο=0.785dο2=2.54×10-4m-2序号流量/㎥·s-1流速/㎥·s-1u=Vs/(0.785×d×d)压头损失/m孔板系数10.0004711.8540.3150.74620.0005652.2200.4410.75530.0006592.6100.5800.77140.0007492.9490.7430.77350.0008463.3300.9450.77460.0009393.7001.1590.76770.0010204.0161.4360.764R0.50.1580.1870.2140.2430.2740.3030.333Vs0.0004710.0005650.0006590.0007490.0008460.0009390.00102温度:22.0℃ c(Hcl):mol·l-1 α∞:-1.00 仪器零点:0.00t/min510152025303540αt11.2510.159.007.906.605.454.353.20Ln(αt-α∞)2.5062.4112.3032.2182.0281.8641.6771.435实验次数123451 点位压头(m)位压头 (m)静压头 (m)94.785.281.377.4冲压头 (m)95.386.583.980.2动压头 (m)Δh=h 右-h 左(m)A 点 d=18mm1 点-A 点阻 力(1 位-A 冲) (m)位压头 (m)静压头 (m)94.684.881.477.3冲压头 (m)94.885.281.978.0动压头 (m)Δh=h 右-h 左(m)B 点 d=30mm1 点-B 点阻 力(1 位-B 冲) (m)位压头 (m)静压头 (m)94.383.379.575.1C 点 d=30mm冲压头94.784.981.778.0(m)动压头 (m)Δh=h 右-h 左(m)1 点-C 点阻 力(1 位-C 冲) (m)位压头 (m)静压头 (m)93.681.877.973.0冲压头 (m)94.283.780.175.6动压头 (m)Δh=h 右-h 左(m)D 点 d=18mm1 点-D 点阻 力(1 位-D 冲) (m)实验次数123451 点位压头0.9970.9970.9970.9970.997位压头( m)21.5静压 头( m)0.9970.9470.8520.8130.774冲压头( m)0.9970.9530.8650.8390.802动压头( m)00.0060.0130.0260.028u000.34290.50470.71390.7408Δh=h 右-h 左(m)00.0060.0130.0260.028A 点 d=18mm1 点-A 点 阻力(1 位 -A 冲) (m)00.044.1320.1580.159位压头( m)21.5静压头( m)0.9970.9460.8480.8140.773冲压头( m)0.9970.9480.8520.8190.780 B 点 动压头( m)00.0020.0040.0050.007u000.19800.28000.31300.3704Δh=h 右-h 左(m)00.0020.0040.0050.007d=30mm1 点-B 点 阻力(1 位 -B 冲) (m)00.0490.1450.1780.217位压头( m)21.5静压头( m)0.9970.9430.8330.7950.751冲压头( m)0.9970.9470.8490.8170.780动压头( m)00.0040.0160.0220.029u000.2800.5600.6570.764Δh=h 右-h 左(m)00.0040.0160.0220.029C 点 d=30mm1 点-C 点 阻力(1 位 -C 冲) (m)00.0500.1480.1800.217位压头( m)21.5静压头( m)0.9970.9360.8180.7790.730冲压头( m)0.9970.9420.8370.8010.756动压头( m)00.0060.0190.0220.026u000.3430.6100.6570.714Δh=h 右-h 左(m)00.0060.0190.0220.026D 点 d=30mm1 点-D 点 阻力(1 位 -D 冲) (m)00.0550.1600.1960.241水银压差计水柱压差计微压差计ΔRΔPΔRΔPΔRΔP11.21599.3613.31303.431.8311.6420.81066.249.6940.819.4190.1230.3399.844.1401.87.876.4440.2266.562.5245.04.746.0650.5666.407.573515.5151.960.7923.969.1891.817.6172.48η。

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