summarytable - 1 gy q y M 2 2 2 + = gA Q y A M 2 + =...

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Summary Table of Important Open Channel Flow Relationships Glenn E. Moglen Rectangular Section Irregular Section (e.g. Trapezoidal, Circular) Discharge b Q q = Q Critical Depth 3 / 1 2 = g q y c (see Figure 2-15) Froude Number gy v F r = = B A g v F r Energy Equation g v y E 2 2 + = 2 2 2 gy q y E + = g v y E 2 2 + = 2 2 2 gA Q y E + = Critical Energy c c y E 2 3 = (see Figure 2-16) Alternate Depths 2 3 1 1 2 8 1 1 2 q gy y y + + = N/A Momentum Equation
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Unformatted text preview: 1 gy q y M 2 2 2 + = gA Q y A M 2 + = Conjugate Depths ( ) 1 8 1 2 1 2 2 , 2 1 − + = r F y y (see supplied figures for Trapezoidal and Circular cross-sections.) Thrust 1 Mb F ∆ = γ M F ∆ = 1 Note that units of momentum are L 2 for a rectangular cross-section L 3 for an irregular cross-section....
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This note was uploaded on 12/24/2011 for the course CEE 4324 taught by Professor Moglen during the Fall '11 term at Virginia Tech.

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