Humid air always contains dry air and steam. Once the saturation is exceeded water droplets and ice
occur. The calculations presented are limited to relative saturation up to 100%.
In good approximation dry air and steam can be regarded as ideal gases. The calculations are valid for humid air at ambient pressure and temperatures between 5 - 70 [°C].
The dew point of a humid air is the temperature at which its realive humidity reaches 100%.
Relative humidity equals 100%, if the partial pressure of steam equals its saturation pressure.
Theory Humid Air
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In good approximation dry air and steam can be regarded as ideal gases. The calculations are valid for humid air at ambient pressure and temperatures between 5 - 70 [°C].
The dew point of a humid air is the temperature at which its realive humidity reaches 100%.
Relative humidity equals 100%, if the partial pressure of steam equals its saturation pressure.
Theory Humid Air
german  C. Meyer |
english C. Meyer |
You like that explanation? Feel invited to contribute a translation to any other language. If you like your name will be mentioned in the table and the document. Contact us: About