Thread: how to calculate drainage for notch..
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Old 12-04-2006, 10:36 PM
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Bazins formula is what you are looking Q = 0.66 x cB x (2g)0.66 x H1.5
http://www.aquatext.com/calcs/weir%20flow.htm


And from sprdsht I got for flow/height for a slotted weir. Works out for 1.5" over a single 8" wide slot 3820gph
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