V notch weir is to be designed to meter an irrigation channel flow. For ease in reading the upstream water-level gage, a reading H ≥ 30 cm is desired for the design flow rate of 150 m3/h. What is the appropriate angle ϴ for the V notch?

V notch weir is to be designed to meter an irrigation channel flow. For ease in reading the upstream water-level gage, a reading H ≥ 30 cm is desired for the design flow rate of 150 m3/h. What is the appropriate angle ϴ for the V notch?

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter16: Highway Drainage

Section: Chapter Questions

Problem 17P

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V notch weir is to be designed to meter an irrigation channel flow. For ease in reading the upstream water-level gage, a reading H ≥ 30 cm is desired for the design flow rate of 150 m³/h. What is the appropriate angle ϴ for the V notch?

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