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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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The Ultimate Scientific and Technical Reference
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Atmospheric air
Bibliography
Standardization
French Standards Association (Afnor)
- Air humidity measurement – Hygrometric parameters - NF X 15-110 - 07-94
- Thermal Environmental Conditions for Human Occupancy - ASHRAE Std 55 - 2004
American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
Directory
Hygrometer manufacturers (non-exhaustive list)
Condensation hygrometers
EdgeTech (United States) http://www.edgetechinstruments.com
General Eastern (United States) http://www.gemeasurement.com
...
Organizations
Scientific and Technical Committee for the Climate Industries (COSTIC) http://www.costic.com
Center technique des industries aérauliques et thermiques (CETIAT) http://www.cetiat.fr
Association of Climate, Ventilation and Refrigeration Engineers...
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