Hey Ed, What is Friction Rate?
In this edition of "Hey Ed", Ed discusses friction rate.
Hey Ed, what is Friction rate? Connor, that's an excellent question. Friction rate is a measurement of pressure drop and if we're gonna talk specifically at a manual D it's pressure drop per 100 feet and in my opinion, it is the number that is made up far too frequently in our industry and if I can ask a big favor of everybody that has anything to do with duct design, stop making up friction rate and actually calculate it, will be a better industry for it and that's the way I see it.
In this edition of “Hey Ed”, Ed discusses friction rate.
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Ed Janowiak is the Manager of HVAC Design Education at ACCA.
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