空气的密度粘度随温度的变化.doc

干空气的物理性质p /kg • m-3cp/kJ • kg-1• K-1入 /10-2W •m-1 • K-1卩 /10-5Pa • s温度t/ c密度 比定压热容导热系数粘度普兰德数 Pr-501.5841.0132.0351.460.728-401.5151.0132.1171.520.728-301.4531.0132.1981.570.723-201.3951.0092.2791.620.716-101.3421.0092.361.670.71201.2931.0092.4421.720.707101.2471.0092.5121.760.705201.2051.0132.5931.810.703301.1651.0132.6751.860.701401.1281.0132.7561.910.699501.0931.0172.8261.960.698601.061.0172.8962.010.696701.0292.9662.060.6948011.0223.0472.110.692900.9721.0223.1282.150.691000.9461.0223.212.190.6881200.8981.0263.3382.280.6861400.8541.0263.4892.370.6841600.8151.0263.642.450.6821800.7791.0343.782.530.6812000.7461.0343.9312.60.682500.6741.0434.2682.740.6773000.6151.0474.6052.970.6743500.5661.0554.9083.140.6764000.5241.0685.213.30.6785000.4561.0725.7453.620.6876000.4041.0896.2223.910.6997000.3621.1026.7114.180.7068000.3291.1147.1764.430.7139000.3011.1277.634.670.71710000.2771.1398.0714.90.71911000.2571.1528.5025.120.72212000.2391.1649.1535.350.724。