蒸汽的压力和温度的关系
饱和水蒸气压力表
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
0.61
0.00
0.00
2491.10
2491.10
5
0.87
0.01
20.94
2500.80
2479.86
10
1.23
0.01
41.87
2510.40
2468.53
15
1.71
0.01
62.80
2520.50
2457.70
20
2.33
0.02
83.74
2530.10
2446.30
25
3.17
0.02
104.67
2539.70
2435.00
30
4.25
0.03
125.60
2549.30
2423.70
35
5.62
0.04
146.54
2559.00
2412.10
40
7.38
0.05
167.47
2568.60
2401.10
45
9.58
0.07
188.41
2577.80
2389.40
50
12.34
0.08
209.34
2587.40
2378.10
55
15.74
0.10
230.27
2596.70
2366.40
60
19.92
0.13
251.21
2606.30
2355.10
65
25.01
0.16
272.14
2615.50
2343.10
70
31.16
0.20
293.08
2624.30
2331.20
75
38.55
0.24
314.01
2633.50
2319.50
80
47.38
0.29
334.94
2642.30
2307.80
85
57.88
0.35
355.88
2651.10
2295.20
90
70.14
0.42
376.81
2659.90
2283.10
95
84.56
0.50
397.75
2668.70
2270.50
100
101.33
0.60
418.68
2677.00
2258.40
105
120.85
0.70
440.03
2685.00
2245.40
110
143.31
0.83
460.97
2693.40
2232.00
115
169.11
0.96
482.32
2701.30
2219.00
120
198.64
1.12
503.67
2708.90
2205.20
125
232.19
1.30
525.02
2716.40
2191.80
130
270.25
1.49
546.38
2723.90
2177.60
135
313.11
1.72
567.73
2731.00
2163.30
140
361.47
1.96
589.08
2737.70
2148.70
145
415.72
2.24
610.85
2744.40
2134.00
150
476.24
2.54
632.21
2750.70
2118.50
160
618.28
3.25
675.75
2762.90
2037.10
170
792.59
4.11
719.29
2773.30
2054.00
180
1003.50
5.15
763.25
2782.50
2019.30
190
1255.60
6.38
807.64
2790.10
1982.40
200
1554.77
7.84
852.01
2795.50
1943.50
210
1917.72
9.57
897.23
2799.30
1902.50
220
2320.88
11.60
942.45
2801.00
1858.50
230
2798.59
13.98
988.50
2800.10
1811.60
240
3347.91
16.76
1034.56
2796.80
1761.80
250
3977.67
20.01
1081.45
2790.10
1708.60
260
4693.75
23.82
1128.76
2780.90
1651.70
270
5503.99
28.27
1176.91
2768.30
1591.40
280
6417.24
33.47
1225.48
2752.00
1526.50
290
7443.29
39.60
1274.46
2732.30
1457.40
300
8592.94
46.93
1325.54
2708.00
1382.50
310
9877.96
55.59
1378.71
2680.00
1301.30
320
11300.30
65.95
1436.07
2648.20
1212.10
330
12879.60
78.53
1446.78
2610.50
1116.20
340
14615.80
93.98
1562.93
2568.60
1005.70
350
16538.50
113.20
1636.20
2516.70
880.50
360
18667.10
139.60
1729.15
2442.60
713.00
370
21040.90
171.00
1888.25
2301.90
411.10
374
22070.90
322.60
2098.00
2098.00
0.00
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