Professional Development Hour - Parallel Ducts - Why Balancing Airflows is So Tricky

Nature does what it wants, which means air in parallel duct branches does not always behave how we might expect. In this video we’ll explain how we can predict and model complex airflows using simple calculations, and how software does it in an efficient, intuitive way.  Videos Referenced: Fundamentals of Airflow https://youtu.be/WE2LPedFbgA Fan Selection & Curves https://youtu.be/sDIFtcWz4co 00:00 Intro 00:35 Parallel Paths 08:23 Balancing Methodologies 08:38 Equal Friction Method 12:32 On Dampers 14:52 Static Regain Method 20:16 Using Software 22:36 The Role of Diffusers 29:28 The Logic Behind our Software 32:22 In Our Next Video... To receive PDH certification for this video, please visit CaptiveAire.com/library and click Request Access under the Professional Development section. Fill out the form on the pop up that appears and click Send. CaptiveAire will then add you to a professional development portal where you can access a certificate to confirm your training.