空气蒸汽对流给热系数测定数据处理(数据表格计算示例及图解).pdf

一、原始数据记录表

实验号流量温度（℃）

3

m/h冷流体进口冷流体出口冷流体进口冷流体出口

温度t1温度t2侧蒸汽温度侧蒸汽温度

T1T2

1535.876.8102.9102.4

27.536.676.5101.9101.2

31037.276.9102.2101.8

412.538.477.5102.5102

51540.177.8102.4101.9

617.541.978.3102.5101.9

72043.478.6102.4101.8

822.544.178.5102.5101.9

二、计算结果表

序号ΔtKPrReXYmα

m2

\℃W/m2

·℃

143.23329.9020.59707324.51.14390.03340.020941.672

723559219427803

241.99444.9200.596610982.0.82690.02220.020957.644

077738845617889

341.92459.6460.595814633.0.65680.01670.020972.576

0274040213657883

441.33974.3650.594318267.0.54920.01340.020986.792

241311636477824

587.9400.592621888.0.47450.01130.0209100.46

40.384

27576207717811

639.427101.680.593125494.0.41850.00980.0209113.87

6629181198347887

738.545114.780.591629098.0.37600.00870.0209126.76

947541255312