Triangular Notch
Discharge over a Triangular Notch
Key Facts
Gyroscopic Couple: The rate of change of angular momentum () = (In the limit).- = Moment of Inertia.
- = Angular velocity
- = Angular velocity of precession.
Blaise Pascal (1623-1662) was a French mathematician, physicist, inventor, writer and Catholic philosopher.
Leonhard Euler (1707-1783) was a pioneering Swiss mathematician and physicist.
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.MISSING IMAGE!
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- 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