水泵扬程计算.xls

1、水管计算表冷器计算DN259.25Q体积流量0.000122222 m3/s3.05556E-05 m3/sF截面积0.000490625 6.71666E-05 长度90 m23 md管内径0.025 m0.00925 m流速0.249115357 m/s0.454922128 m/s密度1000 Kg/m31000 Kg/m3粘度0.000001308 Pa.s0.000001308 Pa.s摩擦因数0.0351498350.019993125绝对粗糙度0.00020.00001g重力加速度9.8 N/kg局部阻力系数D:hcy学习用水泵扬程计算.doc雷诺数RE4761379.155直管

2、阻力3926.420361N/m2局部管件阀门管件阻力数量总阻力单位管件阻力90度弯23.2719229810232.7192298N/m2180度弯46.5438459700N/m245度弯10.86023073443.4409229N/m2水过滤62.05846129162.05846129N/m2进三通31.02923065131.02923065N/m2出三通12.41169226224.82338452N/m2截止阀198.587076161191.522457N/m2水表217.20461451217.2046145活接头12.41169226562.05846129合计5791.

3、277123进出口局部阻力突扩管阻力系数0.360.1296突缩管阻力系数0.360.18突扩阻力4.02138829228.042776583突缩阻力5.585261516211.17052303合计19.21329962沿程阻力损失26755.55711N/m226.75555711kPa安全值29.43111282kPa板换10kpa10kPa水箱操作压力（表压）3.92kPa表冷器操作压力（表压）100kPa水箱液面高度末端与机组高度差扬程5144.118N/m2局部管件阀门 管件阻力数量总阻力单位90度弯77.60786465.6468N/m2180度弯155.21569614900.7N/m245度弯36.216974144.8679N/m2水过滤206.954100N/m2进三通103.47712206.9541N/m2出三通41.39083282.78166N/m2截止阀662.253300N/m220945.072.943111282m1m0.392m 10m0.4m1.5m16.23511128m#NAME?54331200.301030.4771211.6094381.94591#NUM!