流体流动阻力测定实验5

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1、嘉应学院化学实验教学中心实验报告学生姓名专业班级学号课程名称化工原理实验实验指导老师实验时间实验题目：流体流动阻力测定实验~、数据记录1、实验原始数据记录如下表：离心录型号：MS60/0.55，额定流量：60L/min,额定扬程：19.5mN，额定功率:0.55kw流体温度t=21.3°C直管基本参数管内径(画)测量段长度(cm)局部阻力2095光滑管20100粗糙管21100序号流量m3/h光滑管高度差(cm)粗糙管高度差(cm)局部阻力高度差(cm)13.234.547.3112330.941.110.232.827.136.88.742.623.331.67.752

2、.420.8275.662.21723.25.67214.818.54.581.812.315.62.691.69.912.42.6101.47.89.62.12、根据公式APfPgR(注：木实验采用倒U型压差计)计算出各管道的压差如下表序号流量ra3/h光滑管压差(KPa)粗糙管压差(KPa)局部阻力压差(KPa)13.23.3784.6321.077233.0264.0250.99932.82.6543.6040.85242.62.2823.0940.75452.42.0372.6440.548(续表)序号流量m3/h光滑管压差(KPa)粗糙管差(KPa)局部阻力压差

3、(KPa)62.21.6652.2720.548721.4491.8120.44181.81.2041.5280.25591.60.9691.2140.255101.40.7640.9400.2063、由t=21.3°C查得水的密度p=998.2kg/m3，水的黏度u=9.81*10A-6，根据公式水的流速V年^甘將ClUp„APxlOOO,7qi,^702AP*fu—(m/s)，呈i右数Re=，流体阻力//厂=，阻力系数又二,I=，900初-//7pLu2pgu2并以标准申位换算得光滑管数据处理结果如下表序号流量m3/h流速m/s阻力系数入雷诺数Re流体阻力J/kg13

4、.22.83090.01689357609.80213.3845232.65390.01721554009.18953.031332.82.47700.01733250408.57682.658542.62.30010.01728246807.96422.285752.42.12310.01810743207.35162.040562.21.94620.01761239606.73891.6677721.76930.01855236006.12631.451981.81.59240.01903532405.51371.206691.61.41540.01939128804

5、.90100.9712101.41.23850.01995425204.28840.7652粗糙管数据处理结果如下表序号流量m3/h流速m/s阻力系数入雷诺数Re流体阻力J/kg13.22.56770.02955954866.47824.6401232.40720.02922451437.32334.031932.82.2467O.O3OO3848008.16843.610142.62.08620.02991444579.01353.100052.41.92580.02999741149.85862.648762.21.76530.03067537720.70382.27

6、59721.60480.2959734291.54891.814981.81.44430.03081230862.39401.530491.61.28380.03099727433.23911.2164101.41.12340.03133424004.08420.9418局部阻力管数据处理结果如下表序号流量m3/h流速m/s阻力系数X雷诺数Re流体阻力J/kg局部阻力系数13.22.56770.0056754866.47824.64010.027453232.40720.0059851437.32334.03190.02896432.82.24670.0058548008

7、.16843.61010.02835942.62.08620.0060144579.01353.10000.02911052.41.92580.0051341149.85862.64870.02484662.21.76530.006137720.70382.27590.029569721.60480.0059334291.54891.81490.02875181.81.44430.0042430862.39401.53040.02050891.61.28380.0053627433.23911.21640.025955101.