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The heat capacity of air is around 1000J/kg-K, so it is proportional to density.

Atmosphere Table

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/m3

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/m3

5.4e-8

3.80e-7

5.29e-09

Water Vapor ppm

4686

4.5

7.6

0.6

falls off above 30km

The heat capacity of air is around 1000J/kg-K, so it is proportional to density.

Atmosphere (last edited 2020-07-25 03:58:34 by KeithLofstrom)