Duct Research Destroys Design Myths (Bubble Video)

Published: 1996 Description: Seeing is Believing! Features the history of ductwork and shows which type of duct system branch configuration will perform best and will demonstrate that engineers' uses of the loss coefficient tables are often incorrect. The video includes fittings from the HVAC Duct Construction Standards - Metal and Flexible manual (2nd Ed., 1995). A fan blowing bubbles through the ductwork system enables the viewer to see the actual air flow turbulence present in duct systems main, branches and elbows. Product Type: Technical Manual Size: 0 pages

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