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2007-11-15 20:27:50

水的性质

 水的物理性质 
温度t/℃ 饱和蒸气压 p/kPa 密度ρ/kg·m-3 焓H/kJ·kg-1 比定压热容cp/kJ·kg-1·K-1 导热系数λ/10-2W·m-1·K-1 粘度μ/10-5Pa·s 体积膨胀系数α/10-4K-1 表面张力σ/10-3N·m-1 普兰德数Pr
0 0.6082 999.9 0 4.212 55.13 179.21 0.63 75.6 13.66
10 1.2262 999.7 42.04 4.197 57.45 130.77 0.70 74.1 9.52
20 2.3346 998.2 83.90 4.183 59.89 100.50 1.82 72.6 7.01
30 4.2474 995.7 125.69 4.174 61.76 80.07 3.21 71.2 5.42
40 7.3766 992.2 165.71 4.174 63.38 65.60 3.87 69.6 4.32
50 12.31 988.1 209.30 4.174 64.78 54.94 4.49 67.7 3.54
60 19.932 983.2 251.12 4.178 65.94 46.88 5.11 66.2 2.98
70 31.164 977.8 292.99 4.178 66.76 40.61 5.70 64.3 2.54
80 47.379 971.8 334.94 4.195 67.45 35.65 6.32 62.6 2.22
90 70.136 965.3 376.98 4.208 67.98 31.65 6.95 60.7 1.96
100 101.33 958.4 419.10 4.220 68.04 28.38 7.52 58.8 1.76
110 143.31 951.0 461.34 4.238 68.27 25.89 8.08 56.9 1.61
120 198.64 943.1 503.67 4.250 68.50 23.73 8.64 54.8 1.47
130 270.25 934.8 546.38 4.266 68.50 21.77 9.17 52.8 1.36
140 361.47 926.1 589.08 4.287 68.27 20.10 9.72 50.7 1.26
150 476.24 917.0 632.20 4.312 68.38 18.63 10.3 48.6 1.18
160 618.28 907.4 675.33 4.346 68.27 17.36 10.7 46.6 1.11
170 792.59 897.3 719.29 4.379 67.92 16.28 11.3 45.3 1.05
180 1003.5 886.9 763.25 4.417 67.45 15.30 11.9 42.3 1.00
190 1255.6 876.0 807.63 4.460 66.99 14.42 12.6 40.8 0.96
200 1554.77 863.0 852.43 4.505 66.29 13.63 13.3 38.4 0.93
210 1917.72 852.8 897.65 4.555 65.48 13.04 14.1 36.1 0.91
220 2320.88 840.3 943.70 4.614 64.55 12.46 14.8 33.8 0.89
230 2798.59 827.3 990.18 4.681 63.73 11.97 15.9 31.6 0.88
240 3347.91 813.6 1037.49 4.756 62.80 11.47 16.8 29.1 0.87
250 3977.67 799.0 1085.64 4.844 61.76 10.98 18.1 26.7 0.86
260 4693.75 784.0 1135.04 4.949 60.84 10.59 19.7 24.2 0.87
270 5503.99 767.9 1185.28 5.070 59.96 10.20 21.6 21.9 0.88
280 6417.24 750.7 1236.28 5.229 57.45 9.81 23.7 19.5 0.89
290 7443.29 732.3 1289.95 5.485 55.82 9.42 26.2 17.2 0.93
300 8592.94 712.5 1344.80 5.736 53.96 9.12 29.2 14.7 0.97
310 9877.96 691.1 1402.16 6.071 52.34 8.83 32.9 12.3 1.02
320 11300.3 667.1 1462.03 6.573 50.59 8.53 38.2 10.0 1.11
330 12879.6 640.2 1526.19 7.243 48.73 8.14 43.3 7.82 1.22
340 14615.9 610.1 1594.75 8.164 45.71 7.75 53.4 5.78 1.38
350 16538.5 574.4 1671.37 9.504 43.03 7.26 66.8 3.89 1.60
360 18667.1 528.0 1761.39 13.984 39.54 6.67 109 2.06 2.36
370 21040.9 450.5 1892.43 40.319 33.73 5.69 264 0.48 6.80

 

 饱和水蒸汽表 1. 按温度排列 

温度 t/℃ 绝对压强 p/kPa 水蒸汽的密度 ρ/kg·m-3 焓 H/kJ·kg-1 汽化热 r/kJ·kg-1
液体 水蒸汽
0 0.6082 0.00484 0 2491.1 2491.1
5 0.8730 0.00680 20.94 2500.8 2479.86
10 1.2262 0.00940 41.87 2510.4 2468.53
15 1.7068 0.01283 62.80 2520.5 2457.7
20 2.3346 0.01719 83.74 2530.1 2446.3
25 3.1684 0.02304 104.67 2539.7 2435.0
30 4.2474 0.03036 125.60 2549.3 2423.7
35 5.6207 0.03960 146.54 2559.0 2412.1
40 7.3766 0.05114 167.47 2568.6 2401.1
45 9.5837 0.06543 188.41 2577.8 2389.4
50 12.340 0.0830 209.34 2587.4 2378.1
55 15.743 0.1043 230.27 2596.7 2366.4
60 19.923 0.1301 251.21 2606.3 2355.1
65 25.014 0.1611 272.14 2615.5 2343.1
70 31.164 0.1979 293.08 2624.3 2331.2
75 38.551 0.2416 314.01 2633.5 2319.5
80 47.379 0.2929 334.94 2642.3 2307.8
85 57.875 0.3531 355.88 2651.1 2295.2
90 70.136 0.4229 376.81 2659.9 2283.1
95 84.556 0.5039 397.75 2668.7 2270.5
100 101.33 0.5970 418.68 2677.0 2258.4
105 120.85 0.7036 440.03 2685.0 2245.4
110 143.31 0.8254 460.97 2693.4 2232.0
115 169.11 0.9635 482.32 2701.3 2219.0
120 198.64 1.1199 503.67 2708.9 2205.2
125 232.19 1.296 525.02 2716.4 2191.8
130 270.25 1.494 546.38 2723.9 2177.6
135 313.11 1.715 567.73 2731.0 2163.3
140 361.47 1.962 589.08 2737.7 2148.7
145 415.72 2.238 610.85 2744.4 2134.0
150 476.24 2.543 632.21 2750.7 2118.5
160 618.28 3.252 675.75 2762.9 2037.1
170 792.59 4.113 719.29 2773.3 2054.0
180 1003.5 5.145 763.25 2782.5 2019.3
190 1255.6 6.378 807.64 2790.1 1982.4
200 1554.77 7.840 852.01 2795.5 1943.5
210 1917.72 9.567 897.23 2799.3 1902.5
220 2320.88 11.60 942.45 2801.0 1858.5
230 2798.59 13.98 988.50 2800.1 1811.6
240 3347.91 16.76 1034.56 2796.8 1761.8
250 3977.67 20.01 1081.45 2790.1 1708.6
260 4693.75 23.82 1128.76 2780.9 1651.7
270 5503.99 28.27 1176.91 2768.3 1591.4
280 6417.24 33.47 1225.48 2752.0 1526.5
290 7443.29 39.60 1274.46 2732.3 1457.4
300 8592.94 46.93 1325.54 2708.0 1382.5
310 9877.96 55.59 1378.71 2680.0 1301.3
320 11300.3 65.95 1436.07 2648.2 1212.1
330 12879.6 78.53 1446.78 2610.5 1116.2
340 14615.8 93.98 1562.93 2568.6 1005.7
350 16538.5 113.2 1636.20 2516.7 880.5
360 18667.1 139.6 1729.15 2442.6 713.0
370 21040.9 171.0 1888.25 2301.9 411.1
374 22070.9 322.6 2098.0 2098.0 0

 2. 按压强排列 

绝对压强 p/kPa 温度 t/℃ 水蒸汽的密度 ρ/kg·m-3 焓 H/kJ·kg-1 汽化热 r/kJ·kg-1
液体 水蒸气
1.0 6.3 0.00773 26.48 2503.1 2476.8
1.5 12.5 0.01133 52.26 2515.3 2463.0
2.0 17.0 0.01486 71.21 2524.2 2452.9
2.5 20.9 0.01836 87.45 2531.8 2444.3
3.0 23.5 0.02179 98.38 2536.8 2438.1
3.5 26.1 0.02523 109.30 2541.8 2432.5
4.0 28.7 0.02867 120.23 2546.8 2426.6
4.5 30.8 0.03205 129.00 2550.9 2421.9
5.0 32.4 0.03537 135.69 2554.0 2416.3
6.0 35.6 0.04200 149.06 2560.1 2411.0
7.0 38.8 0.04864 162.44 2566.3 2403.8
8.0 41.3 0.05514 172.73 2571.0 2398.2
9.0 43.3 0.06156 181.16 2574.8 2393.6
10.0 45.3 0.06798 189.59 2578.5 2388.9
15.0 53.5 0.09956 224.03 2594.0 2370.0
20.0 60.1 0.13068 251.51 2606.4 2354.9
30.0 66.5 0.19093 288.77 2622.4 2333.7
40.0 75.0 0.24975 315.93 2634.1 2312.2
50.0 81.2 0.30799 339.80 2644.3 2304.5
60.0 85.6 0.36514 358.21 2652.1 2393.9
70.0 89.9 0.42229 376.61 2659.8 2283.2
80.0 93.2 0.47807 390.08 2665.3 2275.3
90.0 96.4 0.53384 403.49 2670.8 2267.4
100.0 99.6 0.58961 416.90 2676.3 2259.5
120.0 104.5 0.69868 437.51 2684.3 2246.8
140.0 109.2 0.80758 457.67 2692.1 2234.4
160.0 113.0 0.82981 473.88 2698.1 2224.2
180.0 116.6 1.0209 489.32 2703.7 2214.3
200.0 120.2 1.1273 493.71 2709.2 2204.6
250.0 127.2 1.3904 534.39 2719.7 2185.4
300.0 133.3 1.6501 560.38 2728.5 2168.1
350.0 138.8 1.9074 583.76 2736.1 2152.3
400.0 143.4 2.1618 603.61 2742.1 2138.5
450.0 147.7 2.4152 622.42 2747.8 2125.4
500.0 151.7 2.6673 639.59 2752.8 2113.2
600.0 158.7 3.1686 676.22 2761.4 2091.1
700.0 164.0 3.6657 696.27 2767.8 2071.5
800.0 170.4 4.1614 720.96 2773.7 2052.7
900.0 175.1 4.6525 741.82 2778.1 2036.2
1×103 179.9 5.1432 762.68 2782.5 2019.7
1.1×103 180.2 5.6333 780.34 2785.5 2005.1
1.2×103 187.8 6.1241 797.92 2788.5 1990.6
1.3×103 191.5 6.6141 814.25 2790.9 1976.7
1.4×103 194.8 7.1034 829.06 2792.4 1963.7
1.5×103 198.2 7.5935 843.86 2794.4 1950.7
1.6×103 201.3 8.0814 857.77 2796.0 1938.2
1.7×103 204.1 8.5674 870.58 2797.1 1926.1
1.8×103 206.9 9.0533 883.39 2798.1 1914.8
1.9×103 209.8 9.5392 896.21 2799.2 1903.0
2×103 212.2 10.0338 907.32 2799.7 1892.4
3×103 233.7 15.0075 1005.4 2798.9 1793.5
4×103 250.3 20.0969 1082.9 2789.8 1706.8
5×103 263.8 25.3663 1146.9 2776.2 1629.2
6×103 275.4 30.8494 1203.2 2759.5 1556.3
7×103 285.7 36.5744 1253.2 2740.8 1487.6
8×103 294.8 42.5768 1299.2 2720.5 1403.7
9×103 303.2 48.8945 1343.5 2699.1 1356.6
10×103 310.9 55.5407 1384.0 2677.1 1293.1
12×103 324.5 70.3075 1463.4 2631.2 1167.7
14×103 336.5 87.3020 1567.9 2583.2 1043.4
16×103 347.2 107.8010 1615.8 2531.1 915.4
18×103 356.9 134.4813 1699.8 2466.0 766.1
20×103 365.6 176.5961 1817.8 2364.2 544.9

 水的密度(0～39.0℃) 

t/℃ ρ/(kg·m-3)
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0 999.88 999.84 999.85 999.85 999.86 999.87 999.87 999.88 999.88 999.89
1 999.89 999.90 999.90 999.91 999.91 999.92 999.92 999.92 999.93 999.93
2 999.94 999.94 999.94 999.94 999.95 999.95 999.95 999.95 999.96 999.96
3 999.96 999.96 999.96 999.96 999.96 999.97 999.97 999.97 999.97 999.97
4 999.97 999.97 999.97 999.97 999.97 999.97 999.96 999.96 999.96 999.96
5 999.96 999.96 999.96 999.95 999.95 999.95 999.95 999.94 999.94 999.94
6 999.94 999.93 999.93 999.93 999.92 999.92 999.91 999.91 999.91 999.90
7 999.90 999.89 999.89 999.88 999.88 999.87 999.87 999.86 999.86 999.85
8 999.84 999.84 999.83 999.82 999.82 999.81 999.80 999.80 999.79 999.78
9 999.78 999.77 999.76 999.75 999.75 999.74 999.73 999.72 999.71 999.70
10 999.69 999.69 999.68 999.67 999.66 999.65 999.64 999.63 999.62 999.61
11 999.60 999.59 999.58 999.57 999.56 999.55 999.54 999.53 999.52 999.50
12 999.49 999.48 999.47 999.46 999.45 999.43 999.42 999.41 999.40 999.38
13 999.37 999.36 999.35 999.33 999.32 999.31 999.29 999.28 999.27 999.25
14 999.24 999.23 999.21 999.20 999.18 999.17 999.15 999.14 999.12 999.11
15 999.09 999.08 999.06 999.05 999.03 999.02 999.00 998.99 998.97 998.95
16 998.94 998.92 998.91 998.89 998.87 998.86 998.84 998.82 998.80 998.79
17 998.77 998.75 998.74 998.72 998.70 998.68 998.66 998.65 998.63 998.61
18 998.59 998.57 998.55 998.53 998.52 998.50 998.48 998.46 998.44 998.42
19 998.40 998.38 998.36 998.34 998.32 998.30 998.26 998.24 998.23 998.22
20 998.20 998.18 998.16 998.14 998.12 998.09 998.07 998.05 998.03 998.01
21 997.99 997.97 997.94 997.92 997.90 997.88 997.86 997.83 997.81 997.79
22 997.77 997.74 997.72 997.70 997.67 997.65 997.63 997.60 997.58 997.56
23 997.53 997.51 997.49 997.46 997.44 997.41 997.39 997.37 997.34 997.32
24 997.29 997.27 997.24 997.22 997.19 997.17 997.14 997.12 997.09 997.07
25 997.04 997.01 996.99 996.96 996.94 996.91 996.83 996.83 996.83 996.81
26 996.78 996.75 996.73 996.70 996.67 996.64 996.62 996.59 996.56 996.54
27 996.51 996.48 996.45 996.43 996.40 996.37 996.34 996.31 996.29 996.26
28 996.23 996.20 996.17 996.14 996.11 996.09 996.06 996.03 996.00 995.97
29 995.94 995.91 995.88 995.85 995.82 995.79 995.76 995.73 995.70 995.67
30 995.64 995.61 995.58 995.55 995.52 995.49 995.46 995.43 995.40 995.37
31 995.34 995.31 995.27 995.24 995.21 995.18 995.15 995.12 995.09 995.05
32 995.02 994.99 994.96 994.93 994.89 994.86 994.83 994.80 994.76 994.73
33 994.70 994.67 994.63 994.60 994.57 994.53 994.50 994.47 994.43 994.40
34 994.37 994.33 994.30 994.27 994.23 994.20 994.16 994.13 994.10 994.06
35 994.03 993.99 993.96 993.92 993.89 993.85 993.82 993.78 993.75 993.71
36 993.68 993.64 993.61 993.57 993.54 993.50 993.47 993.43 993.40 993.36
37 993.32 993.29 993.25 993.22 993.18 993.14 993.11 993.07 993.03 993.00
38 992.96 992.92 992.89 992.85 992.81 992.78 992.74 992.70 992.66 992.63
39 992.59 992.55 992.51 992.48 992.44 992.40 992.36 992.33 992.29 992.25

 

水的粘度(0～40.0℃) 

温度T 粘度μ
厘泊		 Pa·s或N·s·m-2   温度 T 粘度μ
厘泊		 Pa·s或N·s·m-2
℃ K ℃ K
0 273.16 1.7921 1.7921×10-3 20.2 293.36 1.0000 1.0000×10-3
1 274.16 1.7313 1.7313×10-3 21 294.16 0.9810 0.9810×10-3
2 275.16 1.6728 1.6728×10-3 22 295.16 0.9579 0.9579×10-3
3 276.16 1.6191 1.6191×10-3 23 296.16 0.9358 0.9358×10-3
4 277.16 1.5674 1.5674×10-3 24 297.16 0.9142 0.9142×10-3
5 278.16 1.5188 1.5188×10-3 25 298.16 0.8937 0.8937×10-3
6 279.16 1.4728 1.4728×10-3 26 299.16 0.8737 0.8737×10-3
7 280.16 1.4284 1.4284×10-3 27 300.16 0.8545 0.8545×10-3
8 281.16 1.3860 1.3860×10-3 28 301.16 0.8360 0.8360×10-3
9 282.16 1.3462 1.3462×10-3 29 302.16 0.8180 0.8180×10-3
10 283.16 1.3077 1.3077×10-3 30 303.16 0.8007 0.8007×10-3
11 284.16 1.2713 1.2713×10-3 31 304.16 0.7840 0.7840×10-3
12 285.16 1.2363 1.2363×10-3 32 305.16 0.7679 0.7679×10-3
13 286.16 1.2028 1.2028×10-3 33 306.16 0.7523 0.7523×10-3
14 287.16 1.1709 1.1709×10-3 34 307.16 0.7371 0.7371×10-3
15 288.16 1.1404 1.1404×10-3 35 308.16 0.7225 0.7225×10-3
16 289.16 1.1111 1.1111×10-3 36 309.16 0.7085 0.7085×10-3
17 290.16 1.0828 1.0828×10-3 37 310.16 0.6947 0.6947×10-3
18 291.16 1.0559 1.0559×10-3 38 311.16 0.6814 0.6814×10-3
19 292.16 1.0299 1.0299×10-3 39 312.16 0.6685 0.6685×10-3
20 293.16 1.0050 1.0050×10-3 40 313.16 0.6560 0.6560×10-3
　

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