普通管序号t1光滑管125.7237.4330.0428.1528.2628.2729.2831.3933.21035.9强化管127.8227.8327.9428.2528.7630.3t267.166.068.866.666.265.864.264.064.465.3温度/℃对数平均50.8246.8548.0250.2150.4450.7051.3350.6049.5747.91t平均46.4051.7049.4047.3547.2047.0046.7047.6548.8050.60Tw97.8097.8097.8097.9097.9097.8097.6097.7097.7097.80管径/m外管内管0.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.020.020.020.020.020.020.020.020.020.0284.584.083.583.082.681.536.8537.3037.7038.0438.2238.6056.1555.9055.7055.6055.6555.9097.9098.0097.8097.9097.8097.900.0220.0220.0220.0220.0220.0220.020.020.020.020.020.027835.240.381.482.437.0134.47普通管Nu--Re58.3061.3598.0098.000.0220.0220.020.022.52logNuy = 0.6171x - 0.861系列1线性 (系列1)1.510.504.24.34.44.5logRe4.64.74.8孔板两端压差0.494.130.540.800.911.011.812.603.213.79Vs/(m3/s)0.0047650.0137950.0050130.0060820.0064820.0068250.0091130.0109160.0121350.013202u/m/s15.1743.9315.9619.3720.6421.7429.0234.7738.6542.04Cp/KJ/1.0141.0151.0151.0141.0141.0141.0141.0151.0171.017套管内空气ρ/kg/m31.1061.0881.0961.1031.1041.1041.1051.1021.0981.092μ/10^-1.9421.9691.9571.9471.9461.9451.9441.9481.9541.9630.420.500.630.780.961.580.0045300.0049390.0055400.0061590.0068280.00874314.4315.7317.6419.6121.7527.841.0171.0171.0171.0171.0171.0171.0731.0741.0751.0751.0751.0741.9961.9901.9891.9881.9881.9902.402.630.0107680.01128334.2935.931.0171.0171.0661.057加强管Re--Nu2.0022.0172.252.22.152.12.0521.951.91.854.14.24.3logRey = 0.8138x - 1.5359logNu系列1线性 (4.44.54.6λ/10^-2(W/(m.2.8012.8382.8222.8072.8062.8052.8032.8102.8182.830Q/kw0.22130.43590.21630.26200.27580.28740.35760.39910.42280.4310Re1.729E+044.857E+041.788E+042.195E+042.341E+042.468E+043.301E+043.933E+044.344E+044.678E+04K/kW/m.℃0.06930.14810.07170.08310.08710.09030.11090.12560.13580.1433a/kw/m2.℃0.068570.150570.071180.108300.109100.116000.11190.12700.13770.14542.8692.8672.8662.8652.8662.8670.28040.30320.33670.36900.40230.48901.551E+041.698E+041.907E+042.121E+042.351E+043.007E+040.12110.12950.14220.15450.16760.20170.106930.11470.12730.13890.15200.18542.8842.9050.53950.51053.654E+043.765E+040.23210.23580.21640.22181.5359系列1线性 (系列1)4.6Nu48.96106.1150.4577.1577.7582.7179.8290.3997.7102.874.5479.9988.8697.0106.1129.3150.1152.7