化工原理传热综合实验原始数据及处理过程（青岛科技大学）

图 2.对流传热系数和平均流量之间的关系曲线

表 1.总传热系数的测定数据序号12345678

空气进口空气出口空气流量温度/c0温度/C013.612108.886.86.4646.846.646.345.945.745.645.545.495.195.596.196.796.997.397.597.6进口壁温/C0点1105106106106106106106106点2106106106106106106106106点3106107107107107107107107出口壁温/C0点4107108108108108108109109点5106106106106106106107107点6108109109110110110110110 附表二

表 2.总传热系数K的处理过程及测定结果

序号12345678

t进46.846.646.345.945.745.645.545.4t出95.195.596.196.796.997.397.597.6t出-t进48.348.949.850.851.251.75252.2上62.662.863.163.563.763.863.964下Δtmtm比热容总传热系密度空气流量传热速率Q数K13.6203.29384.6670412181.719676.3514410154.366765.751358.8138.745859.887268127.206155.121116.8109.215647.848926.4103.420345.54255697.3601342.96379 14.332.7123770.951.0091.104213.932.4256371.051.0091.104913.331.9854771.21.0091.1059512.731.5638171.31.0091.1073512.531.4408371.31.0091.1080512.131.0968571.451.0091.108411.930.93871.51.0091.1087511.830.8732671.51.0091.1091表 3.对流传热数据测定及处理结果

进口平均出口平均壁温壁温105.6667106.3333106.3333106.3333106.3333106.3333106.3333106.3333107107.6667107.6667108108108108.6667108.6667上·58.8666759.7333360.0333360.4333360.6333360.7333360.8333360.93333下·11.912.1666711.5666711.311.110.711.1666711.06667Δtm'30.2113630.7317130.2409730.2969230.154929.7768430.6747630.60071αi123.6953108.696693.8337184.1826577.5445267.4228661.9762858.48584u19.4000817.1177214.2647712.5529911.411819.7000419.129458.558859logα2.0923532.0362161.9723591.9252231.8895511.8288071.7922261.767051logu1.2878041.2334461.1542651.0987471.0573550.9867740.9604450.932416

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