TABLE OF CONTENTS The dimensions are in general the SI units (Syst me International d'unit s), see [1], [2], where also the constants can be found. The basic units, the derived units, and conversions [1] to US units are given in Section 13.2.
Molar universal gas constant R 0 = 8.314472 10 3 kg m 2/ s 2 kg-mol K
= 4.97201.10 4 lb m ft 2/ s 2 lb m ? mol R
Stephan-Boltzmann constant ? = 5.670400-10 ?8 W/m 2 K 4
= 1.7123.10 ?9 Btu/hr ft 2 R 4
| Gas | Molecular weight M [ kg/ kg- mol] | Specific gas constant R [ m 2/ s 2 K] | Collision diameter ?. 10 10 [ m] | 2nd Lennard-Jones parameter ?/ k [ K] |
|---|---|---|---|---|
| air | 28.9644 * (28.97 +) | 287.06 | 3.617 | 97.0 |
| N 2 | 28.02 | 296.73 | 3.667 | 99.8 |
| O 2 | 32.00 | 259.83 | 3.430 | 113.0 |
| NO | 30.01 | 277.06 | 3.470 | 119.0 |
| N | 14.01 | 593.47 | 2.940 | 66.5 |
| O | 16.00 | 519.65 | 2.330 | 210.0 |
| Ar | 39.948 | 208.13 | 3.432 | 122.4 |
| He | 4.003 | 2077.06 | 2.576 | 10.2 |
| [3]J. O. HIRSCHFELDER, C. F. CURTISS, R. B. BIRD. "Molecular Theory of Gases and Liquids". John Wiley, New... |
