Related Resources: thermodynamics
Properties atmosphere at high altitude
Thermodynamics Related Resources
Properties of the atmosphere at high altitude
Altitude, m |
Temperature, °C |
Pressure, kPa |
Gravity g, m/s2 |
Speed of Sound, m/s |
Density, kg/m3 |
Viscosity µ, kg/m · s |
Thermal Conductivity, W/m · K |
0 |
15.00 |
101.33 |
9.807 |
340.3 |
1.225 |
1.789 10-5 |
0.0253 |
200 |
13.70 |
98.95 |
9.806 |
339.5 |
1.202 |
1.783 10-5 |
0.0252 |
400 |
12.40 |
96.61 |
9.805 |
338.8 |
1.179 |
1.777 10-5 |
0.0252 |
600 |
11.10 |
94.32 |
9.805 |
338.0 |
1.156 |
1.771 10-5 |
0.0251 |
800 |
9.80 |
92.08 |
9.804 |
337.2 |
1.134 |
1.764 10-5 |
0.0250 |
1000 |
8.50 |
89.88 |
9.804 |
336.4 |
1.112 |
1.758 10-5 |
0.0249 |
1200 |
7.20 |
87.72 |
9.803 |
335.7 |
1.090 |
1.752 10-5 |
0.0248 |
1400 |
5.90 |
85.60 |
9.802 |
334.9 |
1.069 |
1.745 10-5 |
0.0247 |
1600 |
4.60 |
83.53 |
9.802 |
334.1 |
1.048 |
1.739 10-5 |
0.0245 |
1800 |
3.30 |
81.49 |
9.801 |
333.3 |
1.027 |
1.732 10-5 |
0.0244 |
2000 |
2.00 |
79.50 |
9.800 |
332.5 |
1.007 |
1.726 10-5 |
0.0243 |
2200 |
0.70 |
77.55 |
9.800 |
331.7 |
0.987 |
1.720 10-5 |
0.0242 |
2400 |
-0.59 |
75.63 |
9.799 |
331.0 |
0.967 |
1.713 10-5 |
0.0241 |
2600 |
-1.89 |
73.76 |
9.799 |
330.2 |
0.947 |
1.707 10-5 |
0.0240 |
2800 |
--3.19 |
71.92 |
9.798 |
329.4 |
0.928 |
1.700 10-5 |
0.0239 |
3000 |
4.49 |
70.12 |
9.797 |
328.6 |
0.909 |
1.694 10-5 |
0.0238 |
3200 |
-5.79 |
68.36 |
9.797 |
327.8 |
0.891 |
1.687 10-5 |
0.0237 |
3400 |
-7.09 |
66.63 |
9.796 |
327.0 |
0.872 |
1.681 10-5 |
0.0236 |
3600 |
-8.39 |
64.94 |
9.796 |
326.2 |
0.854 |
1.674 10-5 |
0.0235 |
3800 |
-9.69 |
63.28 |
9.795 |
325.4 |
0.837 |
1.668 10-5 |
0.0234 |
4000 |
-10.98 |
61.66 |
9.794 |
324.6 |
0.819 |
1.661 10-5 |
0.0233 |
4200 |
-12.3 |
60.07 |
9.794 |
323.8 |
0.802 |
1.655 10-5 |
0.0232 |
4400 |
-13.6 |
58.52 |
9.793 |
323.0 |
0.785 |
1.648 10-5 |
0.0231 |
4600 |
-14.9 |
57.00 |
9.793 |
322.2 |
0.769 |
1.642 10-5 |
0.0230 |
4800 |
-16.2 |
55.51 |
9.792 |
321.4 |
0.752 |
1.635 10-5 |
0.0229 |
5000 |
-17.5 |
54.05 |
9.791 |
320.5 |
0.736 |
1.628 10-5 |
0.0228 |
5200 |
-18.8 |
52.62 |
9.791 |
319.7 |
0.721 |
1.622 10-5 |
0.0227 |
5400 |
-20.1 |
51.23 |
9.790 |
318.9 |
0.705 |
1.615 10-5 |
0.0226 |
5600 |
-21.4 |
49.86 |
9.789 |
318.1 |
0.690 |
1.608 10-5 |
0.0224 |
5800 |
-22.7 |
48.52 |
9.785 |
317.3 |
0.675 |
1.602 10-5 |
0.0223 |
6000 |
-24.0 |
47.22 |
9.788 |
316.5 |
0.660 |
1.595 10-5 |
0.0222 |
6200 |
-25.3 |
45.94 |
9.788 |
315.6 |
0.646 |
1.588 10-5 |
0.0221 |
6400 |
-26.6 |
44.69 |
9.787 |
314.8 |
0.631 |
1.582 10-5 |
0.0220 |
6600 |
-27.9 |
43.47 |
9.786 |
314.0 |
0.617 |
1.575 10-5 |
0.0219 |
6800 |
-29.2 |
42.27 |
9.785 |
313.1 |
0.604 |
1.568 10-5 |
0.0218 |
7000 |
-30.5 |
41.11 |
9.785 |
312.3 |
0.590 |
1.561 10-5 |
0.0217 |
8000 |
-36.9 |
35.65 |
9.782 |
308.1 |
0.526 |
1.527 10-5 |
0.0212 |
9000 |
-43.4 |
30.80 |
9.779 |
303.8 |
0.467 |
1.493 10-5 |
0.0206 |
10,000 |
-49.9 |
26.50 |
9.776 |
299.5 |
0.414 |
1.458 10-5 |
0.0201 |
12,000 |
-56.5 |
19.40 |
9.770 |
295.1 |
0.312 |
1.422 10-5 |
0.0195 |
14,000 |
-56.5 |
14.17 |
9.764 |
295.1 |
0.228 |
1.422 10-5 |
0.0195 |
16,000 |
-56.5 |
10.53 |
9.758 |
295.1 |
0.166 |
1.422 10-5 |
0.0195 |
18,000 |
-56.5 |
7.57 |
9.751 |
295.1 |
0.122 |
1.422 10-5 |
0.0195 |
Source: U.S. Standard Atmosphere Supplements, U.S. Government Printing Office, 1966. Based on year-round mean conditions at 45° latitude and varies with the time of the year and the weather patterns. The conditions at sea level (z 0) are taken to be P 101.325 kPa, T 15°C, r 1.2250 kg/m3, g 9.80665 m2/s.