厂商 :深圳市深特工业气体有限公司
广东 深圳- 主营产品:
- 供应高纯氧气
- 供应高纯乙炔
- 供应混合气体
干空气的热物理性质
(
P
=
760mmHg?1.01
×
105Pa
)
t
℃
ρ
㎏
/
m
3
C
p
kJ/(
㎏
·
℃
)
λ
×10
2
W/(
m
·
℃
)
α
×10
6
㎡
/s
μ
×10
6
㎏
/(m·s)
ν
×10
6
㎡
/s
Pr
-50 1.584
1.013
2.04 12.7 14.6 9.24
0.728
-40 1.515
1.013
2.12 13.8 15.2
10.04
0.728
-30 1.453
1.013
2.20 14.9 15.7
10.80
0.723
-20 1.395
1.009
2.28 16.2 16.2
11.61
0.716
-10 1.342
1.009
2.36 17.4 16.7
12.43
0.712
0 1.293
1.005
2.44
18.8
17.2
13.28
0.707
10 1.247
1.005
2.51 20.0 17.6
14.16
0.705
20 1.205
1.005
2.59 21.4 18.1
15.06
0.703
30 1.165
1.005
2.67 22.9 18.6
16.00
0.701
40 1.128
1.005
2.76 24.3 19.1
16.96
0.699
50 1.003
1.005
2.83 25.7 19.6
17.95
0.698
60 1.060
1.005
2.90 26.2 20.1
18.97
0.696
70 1.029
1.009
2.96 28.6 20.6
20.02
0.694
80 1.000
1.009
3.05 30.2 21.1
21.09
0.692
90 0.972
1.009
3.13 31.9 21.5
22.10
0.690
100 0.946
1.009 3.21
33.6
21.9 23.13
0.688
120 0.898
1.009 3.34
36.8
22.8 25.45
0.686
140 0.854
1.013 3.49
40.3
23.7 27.80
0.684
160 0.815
1.017 3.64
43.9
24.5 30.09
0.682
180 0.779
1.022 3.78
47.5
25.3 32.49
0.681
200 0.746
1.026 3.93
51.4
26.0 24.85
0.680
250 0.674
1.038 4.27
61.0
27.4 40.61
0.677
300 0.615
1.047 4.60
71.6
29.7 48.33
0.674
350 0.566
1.059 4.91
81.9
31.4 55.46
0.676
400 0.524
1.068 5.21
93.1
33.0 63.09
0.678
500 0.456
1.093 5.74 115.3 36.2 79.38
0.687
600 0.404
1.114 6.22 138.3 39.1 96.89
0.699
700 0.362
1.135 6.71 136.4 41.8 115.4
0.700
800 0.329
1.156 7.18 188.8 44.3 134.8
0.713
900 0.301
1.172 7.63 216.2 46.7 155.1
0.717
1000
0.277
1.185 8.07 245.9 49.0 177.1
0.719
1100
0.257
1.197 8.50 276.2 51.2 199.3
0.722
1200
0.239
1.210 9.15 316.5 53.5 233.7
0.724