中国石油大学化工原理《传热系数》实验数据处理最终版.xls
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中国石油大学化工原理《传热系数》实验数据处理最终版.xls

中国石油大学化工原理《传热系数》实验数据处理最终版.xls

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表一实验数据记录与处理表装置一Cp=1005J/(kg*℃)AO=0.0314m2Ai=0.05042m2V1(Nm3/h)T/℃t1/℃t2/℃V2(Nm3/h)ρ/(kg/m3)m/(kg/s)20.5104.238.776.323.21.13240.007318.0104.138.376.820.41.13390.006415.5104.038.077.317.51.13500.005512.5104.037.377.814.11.13770.004510.0104.236.278.911.21.14180.00368.0104.334.579.28.91.14830.00296.0104.234.179.76.71.14980.00214.0104.132.679.74.41.15550.0014u/(m/s)Δt平均/℃Δtm/℃αi/(w/m2*℃)ρ/(kg/m3)λμ/(Pa*s)82.117157.5044.0578199.39511.06590.027470.00001907472.015957.5543.7633180.49601.06570.027431.90547E-0561.957657.6543.4258159.90281.06540.027411.90401E-0549.860257.5543.3412133.17641.06570.027361.90062E-0539.755457.5543.1879112.76111.06570.027271.89528E-0531.640156.8543.705093.35941.06810.027141.88702E-0523.701156.9043.376971.97721.06790.027101.88507E-0515.728356.1543.809349.09341.07050.026991.87777E-05RePrNu理论αo/(w/m2*℃)LnReNu测458890.6979106.81124.621910.7339893772.59693783402790.698096.24112.810010.6035897965.79120947346690.698185.3699.939210.4536018158.33500009279580.698271.8783.235310.2384729948.6824039223550.698560.1070.475710.0148077641.35019573179090.698950.3458.34969.79305853434.40400275134270.699039.9844.98579.50502880326.5551965989660.699328.9530.68349.10121308718.19168371Ln(Nu/Pr^0.4)4.428776524.3302893994.2099674174.0289939793.8656134693.6814918013.4224929963.044038906275.8464299248.0315427218.0388271-37.6-0.8534234540.0149769181.2416681-38.5-0.8797331360.0146689152.91529171.90740462-39.3-0.9049911770.01444128.12053531.90546622-40.5-0.9344455420.013912998.035516911.904012-42.7-0.9887033090.013104467.533507831.90061742275.8464299-44.7-1.0227661640.01190251.89527912248.0315427-45.6-1.0512496760.01162811.8870195218.0388271-47.1-1.0751143170.01062761.88507438181.24166810.069930071.87777448152.91529170.061402013128.12053530.05287395598.035516910.04264028767.533507830.0341122290.0272897830.020467338