Absolute Humidity or Humidity Ratio
Absolute Humidity is the vapor content of air, given in grams or…
Temperature: Wet Bulb
The wet bulb temperature (WBT) is a temperature associated with the moisture…
READING PSYCHROMETRIC CHART
To the novice, a psychrometric chart seems a dizzying maze of lines…
Psychrometric Chart
The Psychrometric Chart provides a graphic relationship of the state or condition…
PSYCHROMETRICS
Psychrometrics is the science of studying the thermodynamic properties of moist air.…
Determine Design Supply Airflow Rate
HVAC engineers use psychrometrics to translate the knowledge of heating or cooling…
AIR CONDITIONING SYSTEM DESIGN
In designing air conditioning systems, the first challenge is to understand the…
Approaches to Humidity Control
Humidity control in a conditioned space is done by controlling the amount…
Approaches to Temperature Control
Temperature control in an air conditioning system is achieved by passing the…


