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Unformatted text preview: Relationship s A function of s Topography at the site of the storage structure s Characteristics of outlet facility s Weir equation The total flow (Q) over a weir Q = C w L Z 1.5 Where, C = the weir coefficient (range from 2.8 to 3.33, typically 3.0) L = Length of the weir Z = Depth of water above the weir crest StageStorageDischarge Relationship s Orifice equation Flow rate (Q) through an orifice d A 2 (2gh) 0.5 Where, = the coefficient discharge (~0.6) A 2 = Area of orifice g = acceleration of gravity = 32.2 ft/sec 2 h = depth of water above the center of the orifice 5 Routing Methods s StorageIndication Routing s ModifiedPuls Routing 2 2 1 1 2 1 2 ) 2 ( ) ( O t S O t S I I + ∆ =∆ + + t O S t O S t I I ∆ + = ∆+ ∆ + 2 2 1 1 2 1 2 1 ) 2 1 ( ) ( 2 1...
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This note was uploaded on 11/11/2009 for the course CEIE 340 taught by Professor Choudhury during the Spring '09 term at George Mason.
 Spring '09
 Choudhury

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