Cipoletti Weir Functionality

A Cipoletti weir is a type of overflow weir which is used to measure the flow rate of water in an open channel. It is also used to divert water from one channel to another.

Shape of Cipoletti Weir

The shape of the Cipoletti weir is rectangular with a V-shaped notch cut into the crest of the weir. The notch is cut at an angle of 90 degrees to the water surface.

Functionality of Cipoletti Weir

The Cipoletti weir functions as if it were a rectangular notch without end contractions. This means that it operates similar to a rectangular notch, but without the added contractions at the ends of the weir.

Advantages of Cipoletti Weir

The advantages of using a Cipoletti weir include:

1. It is a versatile and easy-to-use device for measuring flow rates in an open channel.
2. It does not require the use of end contractions, which can complicate the design and installation process.
3. It is less sensitive to changes in the water level than other types of weirs, such as the V-notch weir.

Applications of Cipoletti Weir

The Cipoletti weir is commonly used in the following applications:

1. Measuring flow rates in irrigation canals, drainage channels, and rivers.
2. Diverting water from one channel to another.
3. Controlling the water level in reservoirs and dams.

Conclusion

In summary, the Cipoletti weir is a rectangular weir with a V-shaped notch cut into the crest. It functions as if it were a rectangular notch without end contractions and is commonly used to measure flow rates in open channels and to divert water from one channel to another.