A note on circular sharp-crested weirs

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1991 English Publisher:Canadian Science PublishingJournal:Canadian Journal of Civil Engineering, volume 18, pages 881-885 (issn: 0315-1468, eissn: 1208-6029,

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Authors: R. Balachandar; Silvana Sorbo; A. S. Ramamurthy;

doi: 10.1139/l91-106

A note on circular sharp-crested weirs

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Abstract

A simple approach is proposed to determine the discharge coefficient of sharp-crested, thin plate circular weirs. The model developed incorporates the effects of the width of the approach channel and the height of the weir crest above the channel floor on the weir discharge coefficient. The model is verified using experimental data. For the practical range encountered in the field, a simplified equation is also suggested to determine the weir discharge coefficient. Key words: sharp-crested weir, circular control section, discharge coefficient.

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