Category: Ductwork
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Equivalent Diameter and Aspect Ratio of duct
Equivalent Diameter (De): The diameter of a circular duct with the same friction loss as…
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HVAC duct sizing by Equal Friction Method – Rectangular duct sizing
This note show how to determine the rectangular duct size by using Equivalent Diameter (De).…
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HVAC duct sizing by Equal Friction Method
Duct sizing by Equal Friction Method steps: 1. Choose a friction rate – For general…