how to calculate drainage for notch.. - Canreef Aquatics Bulletin Board

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how to calculate drainage for notch..

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12-04-2006, 10:36 PM

mark

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Join Date: Nov 2002

Location: Edmonton AB

Posts: 4,212

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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