TECHNICAL PAPERS
Aug 1, 1987

Circular Gates in Circular and U‐Shaped Channels

Publication: Journal of Irrigation and Drainage Engineering
Volume 113, Issue 3

Abstract

The discharge‐head relation of flows in circular and U‐shaped channels under circular thin plate gates is established. The coefficient of discharge is determined experimentally and it is found that only the effect of the relative gate opening is significant. Peculiarities of the free surface downstream of the gate section are described in detail.

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References

1.
Bos, M. G. (1976). “Discharge measurement structures.” Rapport 4, Laboratorium voor Hydraulica en Afvoerhydrologie, May, Landbouwhogeschool, Wageningen, Nederland.
2.
Nelidov, I. (1937). “Discharge area of circular gates.” Civ. Engrg., 7(3), Mar., 226–227.
3.
Task force on flow in large conduits of the Committee on Hydraulic Structures (1965). “Factors influencing flow in large conduits.” J. Hydr. Div., ASCE, 91(6), Jun., 123–152.

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Published In

Go to Journal of Irrigation and Drainage Engineering
Journal of Irrigation and Drainage Engineering
Volume 113Issue 3August 1987
Pages: 413 - 419

History

Published online: Aug 1, 1987
Published in print: Aug 1987

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Authors

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Willi H. Hager, M. ASCE
Sr. Res. Engr., Chaire de Constr. Hydr., CCH, Dépt. de Génie Civ., DGC, Ecole Polytech. Fédérale de Lausanne, EPFL, CH‐1015 Lausanne, Switzerland

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