Triangular Notch
Discharge over a Triangular Notch
Overview
A triangular notch is also called a V-notch. Consider a triangular notch, in one side of the tank, over which water is flowing as shown in figure.
- H = Height of the liquid above the apex of the notch
- θ = Angle of the notch
- Cd = Coefficient of discharge
Example:
[metric]
Example - Discharge through a triangular notch
Problem
A right-angled V-notch was used to measure the discharge of a centrifugal pump. If the depth of water at V-notch is 200mm, calculate the discharge over the notch in liters per minute. Assume coefficient of discharge as 0.62.
Workings
Given,

Solution
Discharge over the notch = 1560 liters/s
Last Modified: 21 Jan 12 @ 19:16 Page Rendered: 2022-03-14 07:59:15