Size: 1327
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← Revision 17 as of 2020-07-25 03:58:34 ⇥
Size: 5380
Comment:
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Deletions are marked like this. | Additions are marked like this. |
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|| Altitude km || 0 || 20 || 50 || 80 || 120 || || Pressure ATM || 1.000e-0 || 5.529e-2 || 7.874e-4 || 1.039e-5 || 2.505e-8 || || Density wrt surface|| 1.000e-0 || 7.258e-2 || 8.383e-4 || 1.507e-5 || 1.814e-8 || || Pressure Pa || 1.013e+5 || 5.457e+3 || 7.978e+1 || 1.052e+0 || 2.538e-3 || || Density kg/m^3^ || 1.225e-0 || 8.891e-2 || 1.027e-3 || 1.846e-5 || 2.222e-8 || || Temperature C || 15.000 || -56.500 || -2.500 || -74.551 || 86.85 || || Gravity m/s2 || 9.8066 || 9.7452 || 9.6542 || 9.5644 || 9.4466 || || Pressure scale ht m|| 8434.5 || 6381.6 || 8047.4 || 5961.7 || 12091 || || Molecular weight || 28.964 || 28.964 || 28.964 || 28.964 || 26.20 || || Mean free path m || 6.633e-8 || 9.139e-7 || 7.913e-5 || 4.402e-3 || 3.31 || || Speed of sound m/s || 340.29 || 295.07 || 329.80 || 282.54 || || || Therm Cond J/m-s-K || 2.536e-5 || 1.953e-5 || 2.397e-5 || 1.800e-5 || || || Ozone kg/m^3^ || 5.4e-8 || 3.80e-7 || 5.29e-09 || || || || Water Vapor ppm || 4686 || 4.5 || 7.6 || 0.6 || || falls off above 30km || |
|| Altitude km || 0 || 20 || 50 || 70 || 80 || 90 || 100 || 110 || 120 || || Geopotential feet || 0 || 65411 || 162765 || 227158 || 259212 || 291162 || 323014 || 354767 || 386422 || || Pressure ATM || 1.000e-0 || 5.529e-2 || 7.874e-4 || 5.154e-5 || 1.039e-5 || 1.812e-6 || 3.159e-7 || 7.011e-8 || 2.505e-8 || || Density wrt surface|| 1.000e-0 || 7.258e-2 || 8.383e-4 || 6.762e-5 || 1.507e-5 || 2.789e-6 || 4.575e-7 || 7.925e-8 || 1.814e-8 || || Pressure Pa || 1.013e+5 || 5.457e+3 || 7.978e+1 || 5.221e+0 || 1.052e+0 || 1.836e-1 || 3.201e-2 || 7.104e-3 || 2.538e-3 || || Density kg/m^3^ || 1.225e-0 || 8.891e-2 || 1.027e-3 || 8.283e-5 || 1.846e-5 || 3.416e-6 || 5.604e-7 || 9.708e-8 || 2.222e-8 || || Temperature K || 288.15 || 216.65 || 270.65 || 219.585 || 198.639 || 186.87 || 195.08 || 240 || 360 || || Gravity m/s2 || 9.8066 || 9.7452 || 9.6542 || 9.5942 || 9.5644 || 9.5348 || 9.5052 || 9.4759 || 9.4466 || || Pressure scale ht m|| 8434.5 || 6381.6 || 8047.4 || 6569.9 || 5961.7 || 5636 || 6009 || 7723 || 12091 || || Molecular weight || 28.964 || 28.964 || 28.964 || 28.964 || 28.964 || 28.73 || 28.40 || 27.27 || 26.20 || || Mean free path m || 6.633e-8 || 9.139e-7 || 7.913e-5 || 9.810e-4 || 4.402e-3 || 2.37e-2 || 0.142 || 0.788 || 3.31 || || Speed of sound m/s || 340.29 || 295.07 || 329.80 || 297.06 || 282.54 || 275* || 283* || 320* || 400* || || Escape velocity m/s|| 11173 || 11156 || 11129 || 11112 || 11103 || 11095 || 11086 || 11077 || 11069 || || minus rotation m/s || 10708 || 10689 || 10661 || 10642 || 10632 || 10623 || 10614 || 10604 || 10595 || || Mach # || 31.5 || 36.2 || 32.3 || 35.8 || 37.6 || 39 || 37 || 33 || 26 || || Therm Cond J/m-s-K || 2.536e-5 || 1.953e-5 || 2.397e-5 || 1.978e-5 || 1.800e-5 || || || || || || Ozone kg/m^3^ || 5.4e-8 || 3.80e-7 || 5.29e-9 || 4.3e-11 || || || || || || || Water Vapor ppm || 4686 || 4.5 || 7.6 || 1.4 || 0.6 ||<-4:> worst case thunderstorm, falls off above 30km || |
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The heat capacity of air is around 1000J/kg-K, so it is proportional to density. | . most data from US Standard Atmosphere 1976, yellow book. * = estimate . ozone from Table 18 page 38, water vapor from Table 21 page 44 . table note '''b''': "natural stratospheric source of water" Sissenwine 1968 [[ https://journals.ametsoc.org/jas/article-pdf/25/6/1129/3416466/1520-0469(1968)025_1129_mlhtk_2_0_co_2.pdf | J Atmo Sci 25,1129 ]] / [[ https://apps.dtic.mil/sti/pdfs/AD0679996.pdf | AFCRL-68-0550 ]] . The heat capacity of air is around 1000J/kg-K, so it is proportional to density. Escape velocity is relative to rotating earth [[attachment:EarthScaleHt.png | {{attachment:EarthScaleHt.png}} ]] === Higher Altitudes === ||<-20> Low Solar Activity || || Altitude km || 100 || 120 || 150 || 200 || 250 || 300 || 400 || 500 || 600 || 700 || 800 || 1000 || || Pressure Pa || 3.2e-2|| 2.5e-3|| || Density kg/m^3^ || 5.6e-7|| 2.2e-8|| || Temperature K || 195 || 360 || || Gravity m/s2 || 9.5 || 9.4 || || Pressure scale ht km|| 6.01 || 12.09 || || Molecular weight || 28.4 || 26.2 || || Mean free path m || 0.142 || 3.31 || ||<-20> Average Solar Activity || || Altitude km || 100 || 120 || 150 || 200 || 250 || 300 || 400 || 500 || 600 || 700 || 800 || 1000 || || Pressure Pa ||3.2e-2 ||2.5e-3 ||4.5e-4 ||8.5e-5 ||2.5e-5 ||8.8e-6 ||1.5e-6 ||3.0e-7 ||8.2e-8 ||3.2e-8 ||1.7e-8 ||7.5e-9 || || Density kg/m^3^ ||5.6e-7 ||2.2e-8 ||2.1e-9 ||2.5e-10||6.1e-11||1.9e-11||2.8e-12||5.2e-13||1.1e-13||3.1e-14||1.1e-14||3.6e-15|| || Temperature K || 195 || 360 || 634 || 855 || 941 || 976 || 996 || 999 || 1000 || 1000 || 1000 || 1000 || || Gravity m/s2 || 9.51 || 9.45 || 9.36 || 9.22 || 9.08 || 8.94 || 8.68 || 8.43 || 8.19 || 7.95 || 7.74 || 7.32 || || Pressure scale ht km|| 6.01 || 12.09 || 23.38 || 36.18 || 44.92 || 51.19 || 59.68 || 68.78 || 88.24 || 130.6 || 193.9 || 288.2 || || est.dens.scale.ht km|| || Molecular weight || 28.4 || 26.2 || 24.1 || 21.3 || 19.2 || 17.7 || 16.0 || 14.3 || 11.5 || 8.0 || 5.5 || 3.9 || || Mean free path m || 0.142 || 3.31 || 33 || 240 || 890 || 2.6k || 16k || 77k || 280k || 730k || 1400k || 3100k || ||<-20> High Solar Activity || || Pressure Pa ||3.2e-2 ||2.5e-3 || || Density kg/m^3^ ||5.6e-7 ||2.2e-8 || || Temperature K || 195 || 360 || || Gravity m/s2 || 9.51 || 9.45 || || Pressure scale ht km|| 6.01 || 12.09 || || Molecular weight || 28.4 || 26.2 || || Mean free path m || 0.142 || 3.31|| |
Atmosphere Table
Altitude km |
0 |
20 |
50 |
70 |
80 |
90 |
100 |
110 |
120 |
Geopotential feet |
0 |
65411 |
162765 |
227158 |
259212 |
291162 |
323014 |
354767 |
386422 |
Pressure ATM |
1.000e-0 |
5.529e-2 |
7.874e-4 |
5.154e-5 |
1.039e-5 |
1.812e-6 |
3.159e-7 |
7.011e-8 |
2.505e-8 |
Density wrt surface |
1.000e-0 |
7.258e-2 |
8.383e-4 |
6.762e-5 |
1.507e-5 |
2.789e-6 |
4.575e-7 |
7.925e-8 |
1.814e-8 |
Pressure Pa |
1.013e+5 |
5.457e+3 |
7.978e+1 |
5.221e+0 |
1.052e+0 |
1.836e-1 |
3.201e-2 |
7.104e-3 |
2.538e-3 |
Density kg/m3 |
1.225e-0 |
8.891e-2 |
1.027e-3 |
8.283e-5 |
1.846e-5 |
3.416e-6 |
5.604e-7 |
9.708e-8 |
2.222e-8 |
Temperature K |
288.15 |
216.65 |
270.65 |
219.585 |
198.639 |
186.87 |
195.08 |
240 |
360 |
Gravity m/s2 |
9.8066 |
9.7452 |
9.6542 |
9.5942 |
9.5644 |
9.5348 |
9.5052 |
9.4759 |
9.4466 |
Pressure scale ht m |
8434.5 |
6381.6 |
8047.4 |
6569.9 |
5961.7 |
5636 |
6009 |
7723 |
12091 |
Molecular weight |
28.964 |
28.964 |
28.964 |
28.964 |
28.964 |
28.73 |
28.40 |
27.27 |
26.20 |
Mean free path m |
6.633e-8 |
9.139e-7 |
7.913e-5 |
9.810e-4 |
4.402e-3 |
2.37e-2 |
0.142 |
0.788 |
3.31 |
Speed of sound m/s |
340.29 |
295.07 |
329.80 |
297.06 |
282.54 |
275* |
283* |
320* |
400* |
Escape velocity m/s |
11173 |
11156 |
11129 |
11112 |
11103 |
11095 |
11086 |
11077 |
11069 |
minus rotation m/s |
10708 |
10689 |
10661 |
10642 |
10632 |
10623 |
10614 |
10604 |
10595 |
Mach # |
31.5 |
36.2 |
32.3 |
35.8 |
37.6 |
39 |
37 |
33 |
26 |
Therm Cond J/m-s-K |
2.536e-5 |
1.953e-5 |
2.397e-5 |
1.978e-5 |
1.800e-5 |
|
|
|
|
Ozone kg/m3 |
5.4e-8 |
3.80e-7 |
5.29e-9 |
4.3e-11 |
|
|
|
|
|
Water Vapor ppm |
4686 |
4.5 |
7.6 |
1.4 |
0.6 |
worst case thunderstorm, falls off above 30km |
- most data from US Standard Atmosphere 1976, yellow book. * = estimate
- ozone from Table 18 page 38, water vapor from Table 21 page 44
table note b: "natural stratospheric source of water" Sissenwine 1968 J Atmo Sci 25,1129 / AFCRL-68-0550
- The heat capacity of air is around 1000J/kg-K, so it is proportional to density.
Escape velocity is relative to rotating earth
Higher Altitudes
Low Solar Activity |
|||||||||||||||||||
Altitude km |
100 |
120 |
150 |
200 |
250 |
300 |
400 |
500 |
600 |
700 |
800 |
1000 |
|||||||
Pressure Pa |
3.2e-2 |
2.5e-3 |
|||||||||||||||||
Density kg/m3 |
5.6e-7 |
2.2e-8 |
|||||||||||||||||
Temperature K |
195 |
360 |
|||||||||||||||||
Gravity m/s2 |
9.5 |
9.4 |
|||||||||||||||||
Pressure scale ht km |
6.01 |
12.09 |
|||||||||||||||||
Molecular weight |
28.4 |
26.2 |
|||||||||||||||||
Mean free path m |
0.142 |
3.31 |
|||||||||||||||||
Average Solar Activity |
|||||||||||||||||||
Altitude km |
100 |
120 |
150 |
200 |
250 |
300 |
400 |
500 |
600 |
700 |
800 |
1000 |
|||||||
Pressure Pa |
3.2e-2 |
2.5e-3 |
4.5e-4 |
8.5e-5 |
2.5e-5 |
8.8e-6 |
1.5e-6 |
3.0e-7 |
8.2e-8 |
3.2e-8 |
1.7e-8 |
7.5e-9 |
|||||||
Density kg/m3 |
5.6e-7 |
2.2e-8 |
2.1e-9 |
2.5e-10 |
6.1e-11 |
1.9e-11 |
2.8e-12 |
5.2e-13 |
1.1e-13 |
3.1e-14 |
1.1e-14 |
3.6e-15 |
|||||||
Temperature K |
195 |
360 |
634 |
855 |
941 |
976 |
996 |
999 |
1000 |
1000 |
1000 |
1000 |
|||||||
Gravity m/s2 |
9.51 |
9.45 |
9.36 |
9.22 |
9.08 |
8.94 |
8.68 |
8.43 |
8.19 |
7.95 |
7.74 |
7.32 |
|||||||
Pressure scale ht km |
6.01 |
12.09 |
23.38 |
36.18 |
44.92 |
51.19 |
59.68 |
68.78 |
88.24 |
130.6 |
193.9 |
288.2 |
|||||||
est.dens.scale.ht km |
|||||||||||||||||||
Molecular weight |
28.4 |
26.2 |
24.1 |
21.3 |
19.2 |
17.7 |
16.0 |
14.3 |
11.5 |
8.0 |
5.5 |
3.9 |
|||||||
Mean free path m |
0.142 |
3.31 |
33 |
240 |
890 |
2.6k |
16k |
77k |
280k |
730k |
1400k |
3100k |
|||||||
High Solar Activity |
|||||||||||||||||||
Pressure Pa |
3.2e-2 |
2.5e-3 |
|||||||||||||||||
Density kg/m3 |
5.6e-7 |
2.2e-8 |
|||||||||||||||||
Temperature K |
195 |
360 |
|||||||||||||||||
Gravity m/s2 |
9.51 |
9.45 |
|||||||||||||||||
Pressure scale ht km |
6.01 |
12.09 |
|||||||||||||||||
Molecular weight |
28.4 |
26.2 |
|||||||||||||||||
Mean free path m |
0.142 |
3.31 |