Duct Design Fundamentals, Testing and Performance
Session #1: Understanding Duct Design Requirements 7:30 –10:30
Blower performance
Pressure drop in fittings
Pressure drop in equipment and accessories
Analyzing the quality of the existing duct system for continued use
Session #2: Room Air Distribution 10:30 am – 12:00 noon
Reading a room-by-room load for duct design purposes
Selecting diffusers based on throw and spread
Grouping room loads for zoning
Sizing practices for room branch ducts and zoning
Session #3: Duct Fittings & Equipment Connections: 12:45 - 2:45 pm
Manual – D fitting losses
Compliant duct systems and applications
Supply air trunk duct design
Return air trunk duct design
Air capacity of building cavities and return air terminals
Session #4: Duct Design Methods & Air Balancing 2:45 pm – 5:00 pm
Equal Friction Method
Constant Velocity Method
Dynamic Duct Systems / Bypass VAV
Application of dampers and other accessories
Testing and Balancing