化工原理传热.xls
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化工原理传热.xls

化工原理传热.xls

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普通传热1234567891011空气进口温度t1℃52.7051.5051.4051.5051.8052.0052.2052.5052.7052.8053.00空气出口温度t2℃74.2073.8074.3075.1075.8076.1075.7075.8076.1076.7076.80空气流量qvm3/h48.1742659645.8542463842.129122537.1319387833.5616232928.6717730325.3357685323.8062777322.63914519.2965047917.33182691空气质量流量qmkg/h52.1352938249.8147922845.7825431540.3391171636.4255171531.098551927.4626657625.7801157324.5006011620.8764717318.73899794压降△PKPa3.323.032.592.051.701.271.010.900.820.610.50空气密度ρkg/m31.08222291.08637251.08671961.08637251.08533241.084641.08394841.08291251.08222291.08187841.08119流体粘度μPa.s1.97485E-050.0000196911.96862E-050.0000196911.97053E-051.97149E-051.97245E-051.97389E-051.97485E-051.97532E-051.97628E-05换热速率QW312.9203781310.1178381292.6839832265.7675502244.0509649209.2284657180.1665302167.6889111160.050177139.2895591124.5050254速度Um/s38.6548826436.7933060733.8042781429.7945533126.9297431623.0061423720.3293426419.1020839318.1655802215.4834560113.90700453管壁温度tw1℃100.90100.70100.80100.70100.80100.90100.90100.90100.90100.90101.10管壁温度tw2℃100.50100.40100.40100.40100.40100.60100.70100.70100.70100.70100.80△tmi36.151136636.749018736.5195112835.9350279735.4098473135.3058152635.5427205735.357911835.0870631434.6648696234.6648696221.9022.6023.3023.9024.4024.4023.7023.5023.6024.1024.101.832699621.849624061.8927203071.9446640321.9918699191.9959183671.9481.94377511.9593495932.0041666672.004166667面积Ai0.0824αiW/(m2.℃)105.0472478102.412693797.2628045389.7546079783.6429349271.9196084161.5171540457.5559895155.3581959748.7642760243.58831679导热系数λw/m.℃0.0285604540.0284669550.0284591610.0284669550.0284903350.028505920.0285215030.0285448750.0285604540.0285682430.02858382怒赛尔准数Nu77.2393950175.5495825971.7701730466.2117450761.6525436152.9823902145.2942548642.3430048240.7039085335.8457392532.02352424雷诺准数Re44484.3517442628.5039939187.4887134519.7909831148.0201726579.9215823460.9268622007.5153620905.0967217808.4958215977.39588普兰特准数Pr0.6949187970.6951712880.6951923760.6951712880.6951080690.6950659580.6950238760.694960807