All issues Volume 75 (2020) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 75 (2020) 59 Full HTMLRefractive index of air with pressure.
| Pressure (P AIR) (Pa) | Pressure (P air) (bar) | T air (°C) | Refractive index of air (n air,P ) |
|---|---|---|---|
| 100 000 | 1 | 20 | 1.00027 |
| 101 325 | 1.01325 | 20 | 1.00027 |
| 500 000 | 5 | 20 | 1.00135 |
| 1 000 000 | 10 | 20 | 1.00271 |
| 1 500 000 | 15 | 20 | 1.00407 |
| 2 000 000 | 20 | 20 | 1.00544 |
| 2 500 000 | 25 | 20 | 1.00681 |
| 3 000 000 | 30 | 20 | 1.00819 |
| 3 500 000 | 35 | 20 | 1.00958 |
| 4 000 000 | 40 | 20 | 1.01097 |
| 4 500 000 | 45 | 20 | 1.01236 |
| 5 000 000 | 50 | 20 | 1.01377 |
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