HVAC 2 min read
Relative Humidity (RH)
Relative humidity (RH) is a measure of the amount of water air can hold at a certain temperature. Air temperature…
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HVAC 1 min read
Temperature: Wet Bulb
The wet bulb temperature (WBT) is a temperature associated with the moisture content of the air. Wet bulb temperature is…
HVAC 1 min read
READING PSYCHROMETRIC CHART
To the novice, a psychrometric chart seems a dizzying maze of lines and curves going every which way, but once…
HVAC 2 min read
Psychrometric Chart
The Psychrometric Chart provides a graphic relationship of the state or condition of the air at any particular time. It…
HVAC 1 min read
PSYCHROMETRICS
Psychrometrics is the science of studying the thermodynamic properties of moist air. The amount of moisture vapour in the air…
HVAC 1 min read
Determine Design Supply Airflow Rate
HVAC engineers use psychrometrics to translate the knowledge of heating or cooling loads (which are in kW or tons) into…
HVAC 2 min read
AIR CONDITIONING SYSTEM DESIGN
In designing air conditioning systems, the first challenge is to understand the components that affect the building heat gain or…
HVAC 1 min read
Approaches to Humidity Control
Humidity control in a conditioned space is done by controlling the amount of water vapor present in the air in…
HVAC 1 min read
Approaches to Temperature Control
Temperature control in an air conditioning system is achieved by passing the air through the cooling or heating coil, which…
HVAC 1 min read
AIR CONDITIONING PSYCHROMETRICS
In air-conditioning system, the air must undergo one or several of the following processes: Psychrometrics can be used to predict…