Explain equations for a triangular (v-notch weir), Civil Engineering

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Explain Equations for a triangular (V-notch weir)

Used for small flow rates. C₂is a coefficient which varies from 0.58 to 0.61 depending upon the notch angle.

974_Explain Equations for a triangular (V-notch weir).png

Q = C₂ (8/15tanσ/2) √2g (H)^2.5

For a triangular weir with a 90 notch angle:

Q = 2.5 (H)^2.5

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