Physics · Fluid Mechanics - Notches and Weirs
The discharge (Q) through a triangular notch is given by which of the following expressions (where symbols have their usual meanings)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Q = (8/15) Cd tan(θ/2) × √(2g) H3/2
- 2Q = (2/3) Cd tan(θ/2) × √(2g) H3/2
- 3Q = (8/15) Cd tan(θ/2) × √(2g) H5/2✓
- 4Q = (2/3) Cd tan(θ/2) × √(2gH)
Correct answer
Q = (8/15) Cd tan(θ/2) × √(2g) H5/2
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