1. Atmospheric air
1.1 Typical atmosphere composition
According to the International Civil Aviation Organization (ICAO), typical dry air is defined on the following basis:
air is considered a perfect gas;
it is free of water vapour;
-
the physical constants are as follows :
molar mass M a : 28.96455 · 10 –3 kg · mol –1 ,
atmospheric pressure at sea level: 101,325 Pa,
temperature at sea level: 15°C,
density at sea level:...
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Atmospheric air
Definitions and main relationships between basic quantities
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