次 序 项 目 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
水蒸气压强MPa | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 |
32.7 | 30.3 | 28.0 | 24.6 | 22.1 | 21.4 | 20.8 | 21 | 21.6 | |
空气出口温度t2°C | 74.1 | 72.9 | 71.9 | 70.7 | 70.4 | 70.7 | 71.9 | 72.6 | 74 |
空气进口处蒸汽温度T1°C | 103.2 | 103.2 | 103.2 | 103.2 | 103.2 | 103.2 | 103.2 | 103.2 | 103.2 |
空气出口处蒸汽温度T2°C | 102.3 | 102.3 | 102.3 | 102.3 | 102.3 | 102.3 | 102.3 | 102.3 | 102.3 |
空气流量V(m3/h) | 23.0 | 22.0 | 21.0 | 18.5 | 15.0 | 12.6 | 10 | 8.5 | 7 |
空气进口处密度ρ(kg/m3) | 1.1551 | 1.1644 | 1.1734 | 1.1869 | 1.1970 | 1.1998 | 1.2023 | 1.2015 | 1.1982 |
空气质量流量ms(kg/s) | 0.0074 | 0.0071 | 0.0068 | 0.0061 | 0.0050 | 0.0042 | 0.0034 | 0.0028 | 0.0023 |
空气流速u(m/s) | 31.7918 | 30.4096 | 29.0273 | 25.5717 | 20.7338 | 17.4164 | 13.8225 | 11.7492 | 升降式晾衣架9.6758 |
次 序 项 目 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
空气定性温度t平均°C | 53.40 | 51.60 | 49.95 | 47.65 | 46.25 | 46.05 | 46.35 | 46.80 | 47.90 |
定性温度下的空气密度 kg/m3 | 1.0798 | 1.0860 | 1.0918 | 1.0999 | 1.1048 | 1.1057 | 1.1045 | 1.1029 | 1.0989 |
冷、热流体间的对数平均温差°C | 46..4435 | 48.1792 | 49.7014 | 51.8577 | 53.0145 | 53.0717 | 52.4564 | 51.8858 | 50.5873 |
总给热系数 K w/(m2·°C) | 151.704 | 125.962 | 120.948 | 108.559 | 90.972 | 78.100 | 65.133 | 56.482 | 48.132 |
次 序 项 目 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
对流给热系数 h w/(m2·°C) | 151.704 | 125.962 | 120.948 | 108.559 | 90.972 | 78.100 | 65.133 包装密封性测试 | 56.482 | 48.132 |
空气黏度μ (Pa·s) | 1.8782 | 1.8665 | 1.8553 | 1.8387 | 1.8264 | 1.8230 | 1.8200 | 1.8210擦玻璃机器人原理 | 1.8249 |
制作智能卡空气导热系数 λ W/(m·K) | 0.0270 | 0.0268 | 0.0266 | 0.0263 | 0.0262 | 0.0261 | 0.0261 | 0.0261 | 0.0261 |
雷诺数Re | 29243 | 28309 | 27329 | 24474 | 20068 | 16899 | 13421 | 11365 | 9332 |
普兰特数 Pr | 0.6997 | 0.6999 | 0.7003 | 0.7011 | 0.7017 | 0.7018 | 0.7020 | 0.7019 | 0.7017 |
努赛尔数Nu | 78.0633 | 76.1665 | 72.6840 | 65.9013 | 55.6444 | 47.8723 | 39.9970 | 34.6630 | 29.4673 |
努赛尔数理论值Nu' | 74.6434 | 72.6546 | 70.6591 | 64.7172 | 钠硫电池55.2328 | 48.1438 | 40.0410 | 35.1022 | 29.9122 |
理论h' W/(m2·°C) | 125.767 | 121.722 | 117.577 | 106.605 | 90.300 | 78.543 | 65.205 | 57.197 | 48.859 |
h各点的相对误差% | -4.72 | -3.48 | -2.86 | -1.82 | -0.74 | 0.56 | 0.11 | 1.25 | 1.48 |
1.9546 | 1.9381 | 1.9233 | 1.8806 | 1.8070 | 1.7146 | 1.6635 | 1.6013 | 1.5309 | |
4.4660 | 本地导航4.4519 | 4.4366 | 4.3888 | 4.3025 | 4.2279 | 4.1278 | 4.0563 | 3.96 | |
次序 项目 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
努赛尔数Nu | 78.0633 | 76.1665 | 72.6840 | 65.9013 | 55.6444 | 47.8723 | 39.9970 | 34.6630 | 29.4673 |
努赛尔数理论值Nu' | 74.6434 | 72.6546 | 70.6591 | 64.7172 | 55.2328 | 48.1438 | 40.0410 | 35.1022 | 29.9122 |
对流给热系数 h w/(m2·°C) | 151.704 | 125.962 | 120.948 | 108.559 | 90.972 | 78.100 | 65.133 | 56.482 | 48.132 |
理论h' W/(m2·°C) | 125.767 | 121.722 | 117.577 | 106.605 | 90.300 | 78.543 | 65.205 | 57.197 | 48.859 |
h各点的相对误差% | -4.72 | -3.48 | -2.86 | -1.82 | -0.74 | 0.56 | 0.11 | 1.25 | 1.48 |
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