WHAT YOU NEED TO KNOW ABOUT AIRFLOW



Your job is to deliver air. But do you really understand your delivery system?
Learn what happens in the duct. Understand static pressure, velocity pressure,
total pressure, dynamic loss, and friction losses--in practical terms that you
can use on the job. Learn how duct fittings affect airflow. This book gives you
another step to HVAC success. You will gain an understanding of airflow that few
in the industry have.





Table of Contents



Basics of Airflow

Calculating Duct Sizes

Air Quantity and Velocity

Pressures in a Duct

Airflow in a Duct and Dynamic Losses

Sizing Ductwork

Calculating Pressure Losses in Ductwork

Duct Fittings

Measuring Airflow

Equations