APPENDICES
APPENDIX 6
SOME PROPERTIES OF AIR AND OF WATER
|
|
|
|
|
|
|
Temperature
|
Thermal
conductivity
|
Viscosity
|
Specific
heat
|
Density
|
|
(°C)
|
(J
m-1 s-l °C-1)
|
(N
s m-2)
|
(kJ
kg-1°C-1)
|
(kg
m-3)
|
|
AIR
|
||||
|
-73
|
0.0189
|
1.36
x 10-5
|
0.996
|
1.76
|
|
-18
|
0.0230
|
1.65
x 10-5
|
1.00
|
1.38
|
|
0
|
0.0242
|
1.73
x 10-5
|
1.005
|
1.29
|
|
38
|
0.0267
|
1.91
x 10-5
|
1.005
|
1.14
|
|
93
|
0.031
|
2.15
x 10-5
|
1.009
|
0.96
|
|
149
|
0.0334
|
2.40
x 10-5
|
1.017
|
0.83
|
|
204
|
0.0367
|
2.60
x 10-5
|
1.026
|
0.74
|
|
WATER
|
||||
|
-20
|
2.39
|
na
|
1.943
|
919.4
|
|
-10
|
2.25
|
na
|
2.027
|
918.9
|
|
(ice) 0
|
2.22
|
na
|
2.050
|
916.2
|
|
0
|
0,57
|
1.87
x 10-3
|
4.23
|
1000
|
|
4
|
0.57
|
1.53
x 10-3
|
4.23
|
1000
|
|
16
|
0.59
|
1.16
x 10-3
|
4.19
|
1000
|
|
27
|
0.61
|
0.87
x 10-3
|
4.19
|
998
|
|
38
|
0.62
|
0.68
x 10-3
|
4.19
|
992
|
|
66
|
0.66
|
0.43
x 10-3
|
4.19
|
977
|
|
93
|
0.68
|
0.30
x 10-3
|
4.19
|
965
|
| 100 | 0.68 | 0.28 x 10-3 | 4.18 | 958 |
Extracted from An Introduction to Heat Transfer, Fishenden, M. and Saunders, 0. A., by permission of the Clarendon Press, Oxford.
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