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Reply by AlanWS

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Posted on Actual numbers for comparing a long radius 90deg vs 2 45deg elbows

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AlanWS

98 posts in 4479 days


#1 posted 09-25-2020 05:59 PM

Here’s an online calculator that lets you estimate pressure drop given flow, or flow given pressure drop for various configurations:
http://www.freecalc.com/ductloss.htm

If you prefer equations, look here: https://www.engineeringtoolbox.com/duct-friction-pressure-loss-d_444.html

-- Alan in Wisconsin


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