Properties of Air at atmospheric pressure

The properties of air at 101.325 kPa

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Properties of air www.theengineeringmindset.com
The properties of Air have been tabulated below, listed by temperature in ascending order. The 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 for viscosity. Example: 1.6478×10-5kg/m.s = 0.000016478 kg/m.s

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

table of Properties of water at atmospheric pressure

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