WHY HUMIDIFICATION IS IMPORTANT ?

Humidification is simply the addition of water to air. However, humidity exerts a powerful influence on environmental and physiological factors. Improper humidity levels (either too high or too low) can cause discomfort for people, and can damage many kinds of equipment and materials. 

 

dry air

PROBLEMS WITH DRY AIR

Dry air can cause a variety of costly, troublesome, and sometimes dangerous problems. Static electricity can accumulate in dry atmospheric conditions and interfere with efficient operation of production machinery or electronic office machines. Where static-prone materials such as paper, films, computer disks, and other plastics are handled, dry air intensely aggravates the static problem. In potentially explosive atmospheres, dry air and its resultant static electricity accumulations can be extremely dangerous. 

 

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HUMIDITY AND HUMAN COMFORT

Studies indicate people are generally most comfortable when relative humidity is maintained between 35% and 55%. When air is dry, moisture evaporates more readily from the skin, producing a feeling of chilliness even with temperatures of 24°C or more.

 

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ISOTHERMAL AND ADIABATIC HUMIDIFICATION

Two different processes exist and can be set up to increase the percentage of moisture of the air :

 Isothermal humidification

 Adiabatic humidification

 


To go further: 

Humidity Content Tables
How Psychrometrics Help in Humidification
Learn more on Humidification