The properties of air at 101.325 kPa
The properties of air have been tabulated below, listed by temperature in ascending order. Properties listed are density, viscosity specific heat capacity, thermal conductivity, and Prandtl number
Below this table is an image version for offline viewing
Note: Pay attention to the units of viscosity. Example: 1.6478×10-5kg/m.s = 0.000016478 kg/m.s
|
Temperature (T) |
Density (ρ) |
Dynamic Viscosity (μ) |
Kinematic Viscosity (v) |
|
◦c |
kg/m3 |
x10-5 kg/m.s |
x10-5 m2/s |
|
-20 |
1.3958 |
1.6222 |
1.1622 |
|
-15 |
1.3687 |
1.6478 |
1.2039 |
|
-10 |
1.3426 |
1.6731 |
1.2462 |
|
-5 |
1.3175 |
1.6982 |
1.2890 |
|
0 |
1.2933 |
1.7231 |
1.3324 |
|
5 |
1.2699 |
1.7478 |
1.3763 |
|
10 |
1.2474 |
1.7722 |
1.4207 |
|
15 |
1.2257 |
1.7965 |
1.4657 |
|
20 |
1.2047 |
1.8205 |
1.5111 |
|
25 |
1.1845 |
1.8444 |
1.5571 |
|
30 |
1.1649 |
1.8680 |
1.6036 |
|
35 |
1.1459 |
1.8915 |
1.6507 |
|
40 |
1.1275 |
1.9148 |
1.6982 |
|
45 |
1.1098 |
1.9379 |
1.7462 |
|
50 |
1.0925 |
1.9608 |
1.7947 |
|
55 |
1.0759 |
1.9835 |
1.8437 |
|
60 |
1.0597 |
2.0061 |
1.8931 |
|
65 |
1.0439 |
2.0285 |
1.9431 |
|
70 |
1.0287 |
2.0507 |
1.9935 |
|
75 |
1.0139 |
2.0728 |
2.0444 |
|
80 |
0.99948 |
2.0947 |
2.0958 |
|
85 |
0.98549 |
2.1164 |
2.1476 |
|
90 |
0.97188 |
2.1380 |
2.1999 |
|
95 |
0.95865 |
2.1595 |
2.2526 |
|
100 |
0.94577 |
2.1808 |
2.3058 |
|
105 |
0.93323 |
2.2019 |
2.3594 |
|
110 |
0.92102 |
2.2229 |
2.4135 |
|
115 |
0.90913 |
2.2438 |
2.4681 |
|
120 |
0.89754 |
2.2645 |
2.5230 |
|
125 |
0.88624 |
2.2851 |
2.5784 |
|
Specific Heat Capacity
(cp) |
Thermal Conductivity
(k) |
Prandtl Number (Pr) |
|
x103 J/kg.K |
W/m.K |
– |
|
1.0054 |
0.022507 |
0.72467 |
|
1.0054 |
0.022903 |
0.72337 |
|
1.0055 |
0.023296 |
0.72212 |
|
1.0055 |
0.023686 |
0.72092 |
|
1.0056 |
0.024073 |
0.71977 |
|
1.0057 |
0.024458 |
0.71866 |
|
1.0058 |
0.024840 |
0.71759 |
|
1.0059 |
0.025219 |
0.71657 |
|
1.0061 |
0.025596 |
0.71559 |
|
1.0063 |
0.025969 |
0.71465 |
|
1.0065 |
0.026341 |
0.71375 |
|
1.0067 |
0.026710 |
0.71289 |
|
1.0069 |
0.027076 |
0.71207 |
|
1.0072 |
0.027440 |
0.71128 |
|
1.0074 |
0.027801 |
0.71053 |
|
1.0077 |
0.028160 |
0.70982 |
|
1.0081 |
0.028517 |
0.70914 |
|
1.0084 |
0.028871 |
0.70849 |
|
1.0087 |
0.029223 |
0.70787 |
|
1.0091 |
0.029573 |
0.70729 |
|
1.0095 |
0.029921 |
0.70674 |
|
1.0099 |
0.030266 |
0.70622 |
|
1.0104 |
0.030609 |
0.70573 |
|
1.0108 |
0.030950 |
0.70527 |
|
1.0113 |
0.031289 |
0.70484 |
|
1.0118 |
0.031626 |
0.70444 |
|
1.0123 |
0.031961 |
0.70406 |
|
1.0128 |
0.032294 |
0.70372 |
|
1.0134 |
0.032625 |
0.70340 |
|
1.0140 |
0.032954 |
0.70311 |
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