Discharge Capacity for Curb‐Opening Inlets
Publication: Journal of Hydraulic Engineering
Volume 118, Issue 7
Abstract
Curb-opening inlets have been used extensively in urban and highway drainage systems. Until quite recently, the numerical solution of equations for determining the water-surface profile and curb-opening inlet discharge was tedious. The result was that approximate methods were used based on experiments conducted over a limited range of the many variables involved. This study develops a new hydraulic design procedure for curb-opening inlets based on experimental data. The results are presented in graphical form for practical use. The experiments cover supercritical regimes and observed water surface profiles, for which the interception ratio of curb-opening inlets to main street discharge can be presented by dimensionless parameters related to length of curb-opening inlets, Froude number, and width of spread.
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References
1.
Bauer, W. J., and Woo, D. C. (1964). “Hydraulic design of depressed curb‐opening inlets.” Highway Res. Board Record No. 58, Highway Research Board, Washington, D.C., 61–80.
2.
“Design of urban highway drainage.” (1979). HDV‐21, Ofcs. of Res. and Development Implementation Div., U.S. Dept. of Transportation, Federal Highway Administration, Washington, D.C., 5‐1, 5–103.
3.
Izzard, C. F. (1977). “Simplified method for design of curb‐opening inlets.” Transp. Res. Record, 631, 39–46.
4.
Tapley, G. S. (1943). “Hydrodynamics of model storm sewer inlets applied to design.” Trans., ASCE, 108, 409–451.
5.
Uyumaz, A. (1988). “The experimental investigation of the flow of the curb‐opening inlets.” Proc., Int. Symp. on Hydrol. Processes and Water Mgmt. in Urban Areas, Duisburg, West Germany, 863–867.
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Published In
Journal of Hydraulic Engineering
Volume 118 • Issue 7 • July 1992
Pages: 1048 - 1051
Copyright
Copyright © 1992 ASCE.
History
Published online: Jul 1, 1992
Published in print: Jul 1992
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