Question

Difference between rectangular notch and triangular notch

Answer 1

Answer:

A triangular notch is also called a V- notch. A triangular notch gives more accurate results for low discharges than rectangular notch and the same triangular notch can measure a wide range of flow.

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Answer 2

Rectangular and Triangular notch:

Rectangular notch:

• Rectangular notch takes its name from the shape of the notch.

• The discharge through the notch is directly proportional to the water depth.

• The head is influenced by velocity, contraction, and condition of a crest.

         

Triangular notch:

• The triangular notch is V in shape.

• The triangular notch causes a small change in discharge and so causes high changes in depth.

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