空气密度表（含不同温度下含湿量）

空气温度

干空气密度

饱和空气密度

饱和空气

饱和空气含湿量

饱和空气焓

水蒸气分压力

t

ρ

ρb

pq.b

db

ib

℃

kg/m3

kg/m3

×102Pa

g/kg干空气

kJ/kg干空气

-20

1.396

1.395

1.02

0.63

-18.55

-19

1.394

1.393

1.13

0.7

-17.39

-18

1.385

1.384

1.25

0.77

-16.2

-17

1.379

1.378

1.37

0.85

-14.99

-16

1.374

1.373

1.5

0.93

-13.77

-15

1.368

1.367

1.65

1.01

-12.6

-14

1.363

1.362

1.81

1.11

-11.35

-13

1.358

1.357

1.98

1.22

-10.05

-12

1.353

1.352

2.17

1.34

-8.75

-11

1.348

1.347

2.37

1.46

-7.45

-10

1.342

1.341

2.59

1.6

-6.07

-9

1.337

1.336

2.83

1.75

-4.73

-8

1.332

1.331

3.09

1.91

-3.31

-7

1.327

1.325

3.36

2.08

-1.88

-6

1.322

1.32

3.67

2.27

-0.42

-5

1.317

1.315

4

2.47

1.09

-4

1.312

1.31

4.36

2.69

2.68

-3

1.308

1.306

4.75

2.94

4.31

-2

1.303

1.301

5.16

3.19

5.9

-1

1.298

1.295

5.61

3.47

7.62

0

1.293

1.29

6.09

3.78

9.42

1

1.288

1.285

6.56

4.07

11.14

2

1.284

1.281

7.04

4.37

12.89

3

1.279

1.275

7.57

4.7

14.74

4

1.275

1.271

8.11

5.03

16.58

5

1.27

1.266

8.7

5.4

18.51

6

1.265

1.261

9.32

5.79

20.51

7

1.261

1.256

9.99

6.21

22.61

8

1.256

1.251

10.7

6.65

24.7

9

1.252

1.247

11.46

7.13

26.92

10

1.248

1.242

12.25

7.63

29.18

11

1.243

1.237

13.09

8.15

31.52

12

1.239

1.232

13.99

8.75

34.08

13

1.235

1.228

14.94

9.35

36.59

14

1.23

1.223

15.95

9.97

39.19

15

1.226

1.218

17.01

10.6

41.78

16

1.222

1.214

18.13

11.4

44.8

17

1.217

1.208

19.32

12.1

47.73

18

1.213

1.204

20.59

12.9

50.66

19

1.209

1.2

21.92

13.8

54.01

20

1.205

1.195

23.31

14.7

57.78

21

1.201

1.19

24.8

15.6

61.13

22

1.197

1.185

26.37

16.6

64.06

23

1.193

1.181

28.02

17.7

67.83

24

1.189

1.176

29.77

18.8

72.01

25

1.185

1.171

31.6

20

75.78

26

1.181

1.166

33.53

21.4

80.39

27

1.177

1.161

35.56

22.6

84.57

28

1.173

1.156

37.71

24

89.18

29

1.169

1.151

39.95

25.6

94.2

30

1.165

1.146

42.32

27.2

99.65

31

1.161

1.141

44.82

28.8

104.67

32

1.157

1.136

47.43

30.6

110.11

33

1.154

1.131

50.18

32.5

115.97

34

1.15

1.126

53.07

34.4

122.25

35

1.146

1.121

56.1

36.6

128.95

36

1.142

1.116

59.26

38.8

135.65

37

1.139

1.111

62.6

41.1

142.35

38

1.135

1.107

66.09

43.5

149.47

39

1.132

1.102

69.75

46

157.42

40

1.128

1.097

73.58

48.8

165.8

41

1.124

1.091

77.59

51.7

174.17

42

1.121

1.086

81.8

54.8

182.96

43

1.117

1.081

86.18

58

192.17

44

1.114

1.076

90.79

61.3

202.22

45

1.11

1.07

95.6

65

212.69

46

1.107

1.065

100.61

68.9

223.57

47

1.103

1.059

105.87

72.8

235.3

48

1.1

1.054

111.33

77

247.02

49

1.096

1.048

117.07

81.5

260

50

1.093

1.043

123.04

86.2

273.4

55

1.076

1.013

156.94

114

352.11

60

1.06

0.981

198.7

152

456.36

65

1.044

0.946

249.38

204

598.71

70

1.029

0.909

310.82

276

795.5

75

1.014

0.868

384.5

382

1080.19

80

1

0.823

472.28

545

1519.81

85

0.986

0.773

576.69

828

2281.81

90

0.973

0.718

699.31

1400

3818.36

95

0.959

0.656

843.09

3120

8436.4

100

0.947

0.589

1013

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