Psychrometric Chart Specific Volume Upd Info

Mastering specific volume turns the psychrometric chart from a temperature-humidity lookup into a powerful tool for air handling system design. Next time you size a fan or check an airflow station, reach for those diagonal lines.

is the inverse of density. It represents the volume occupied by a unit mass of moist air. psychrometric chart specific volume

If your fan is moving , you are actually moving about 73 lbs of air per minute ( Mastering specific volume turns the psychrometric chart from

Imagine you have a room with a dry-bulb temperature of and a relative humidity of 50% . Find 75°F on the bottom horizontal axis. Move up until you hit the 50% RH curve. Look for the nearest diagonal specific volume lines . It represents the volume occupied by a unit

Specific volume is the reciprocal of density ( ). If you know the specific volume is , the density is How to Identify Specific Volume Lines on the Chart