温度

( ℃ )

饱和蒸 汽压

(kPa)

密度

(kg/m 3 )

焓

(kJ/kg)

比热

kJ/(kg •℃ )

导热系数λ× 10 2 (W/ m ·℃ )

粘度

μ× 10 5 (Pa • a)

体积膨胀系数β× 10 4 (1/ ℃ )

表面张力σ× 10 3 (N/m)

普兰德数

Pr

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

260

270

280

290

300

310

320

330

340

350

360

370

0.6082

1.2262

2.3346

4.2474

7.3766

12.34

19.923

31.164

47.375

70.136

101.33

143.31

198.64

270.25

361.47

476.24

618.28

792.59

1003.5

1255.6

1554.77

1917.72

2320.88

2798.59

3347.91

3977.67

4693.75

5503.99

6417.24

7443.29

8592.94

9877.96

11300.3

12879.6

14615.8

16538.5

18667.1

21040.9

999.9

999.7

998.2

995.7

992.2

988.1

983.2

977.8

971.8

965.3

958.4

951.0

943.1

934.8

926.1

917.0

907.4

897.3

886.9

876.0

863.0

852.8

840.3

827.3

813.6

799.0

784.0

767.0

750.7

732.3

712.5

691.1

667.1

640.2

610.1

574.4

528.0

450.5

0

42.04

83.90

125.69

167.51

209.30

251.12

292.99

334.94

376.98

419.10

461.34

503.67

546.38

589.08

632.20

675.33

719.297763.25

807.63

852.43

897.65

943.70

990.18

1037.49

1085.64

1135.04

1185.28

1236.28

1289.95

1344.80

1402.16

1462.03

1526.10

1594.75

1671.37

1761.39

1892.43

4.212

4.191

4.183

4.174

4.174

4.174

4.178

4.178

4.195

4.208

4.220

4.233

4.250

4.266

4.287

4.312

4.346

4.379

4.417

4.460

4.505

4.555

4.614

4.681

4.756

4.844

4.949

4.070

5.229

5.485

5.736

6.071

6.573

7.243

8.164

9.504

13.984

40.319

55.13

57.45

59.89

61.76

63.38

64.78

65.94

66.76

67.45

67.98

68.04

68.27

68.50

68.50

68.27

68.38

68.27

67.92

67.45

66.99

66.29

65.48

64.55

63.73

62.80

61.76

60.48

59.96

57.45

55.82

53.96

52.34

50.59

48.73

45.71

43.03

39.54

33.73

179.21

130.77

100.50

80.07

65.60

54.94

46.88

40.61

35.65

31.65

28.38

25.89

23.73

21.77

20.10

18.63

17.36

16.28

15.30

14.42

13.63

13.04

12.46

11.97

11.47

10.98

10.59

10.20

9.81

9.42

9.12

8.83

8.53

8.14

7.75

7.26

6.67

5.65

-0.63

+0.70

1.82

3.21

3.87

4.49

5.11

5.70

6.32

6.95

7.52

8.08

8.64

9.17

9.72

10.3

10.7

11.3

11.9

12.6

13.3

14.1

14.8

15.9

16.8

18.1

19.7

21.6

23.7

26.2

29.2

32.9

38.2

43.3

53.4

66.8

109

264

77.1

75.6

74.1

72.6

71.0

69.0

67.5

65.6

63.8

61.9

60.0

58

55.9

53.9

51.7

49.6

47.5

46.2

43.1

40.8

38.4

36.1

33.8

31.6

29.1

26.7

24.2

21.9

19.5

17.2

14.7

12.3

10.0

7.82

5.78

3.89

2.06

0.48

13.66

9.52

7.01

5.42

4.32

3.54

2.98

2.54

2.12

1.96

1.76

1.61

1.47

1.36

1.26

1.18

1.11

1.05

1.00

0.96

0.93

0.91

0.89

0.88

0.87

0.86

0.87

0.88

0.89

0.93

0.97

1.02

1.11

1.22

1.38

1.60

2.36

6.08