Moisture Holding Capacity of Air

Moisture holding capacity of air varies with temperature

The moisture holding capacity of air increases dramatically with increasing air temperature.

Air Moisture Holding Capacity - SI Units

Moisture holding capacity of air - kg water per kg dry air:

air moisture holding capacity si units

Air Moisture Holding Capacity - Imperial Units

Moisture holding capacity of air - lb water per lb dry air:

air moisture holding capacity si units

Moisture holding capacity of air - lb water per 1000 cubic feet dry air:

air moisture holding capacity si units

Note - the moisture holding capacity of air at 100oF (38 oC) is 10 times the moisture holding capacity of air at 30oF (~ 0 oC). This is a very important observation - especially when working with drying processes where air is used to transport moisture away from the processes and the products.

In general

  • it is good energy economy to increase the temperatures in dryers as much as possible! - the increased moisture transport capacities of air at higher temperatures normally out-weights the increased energy-consumption for heating dry air to higher temperatures!

Related Topics

  • Steam and Condensate - Steam & condensate properties - capacities, pipe sizing, systems configuration and more
  • Air Psychrometrics - The study of moist and humid air - air condition - psychrometric charts, Mollier diagrams, air temperature, absolute and relative humidity, moisture content and more
  • Thermodynamics - Thermodynamics of steam and condensate applications

Related Documents

Tag Search

  • en: air moisture capacity temperature
  • es: la humedad del aire de temperatura capacidad
  • de: Luftfeuchtigkeitskapazität Temperatur

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