FLOW-MEASUREMENT STRUCTURES OF COMPOUND CROSS-SECTION FOR RIVERS

Date

1994-01-01

Author

Göğüş, Mustafa

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Several types of flow-measurement structures are used in rivers. One of the more common flow-measurement structures is the critical-depth flume. By definition, the velocity increases through the contracted section of the flume, which, in turn, minimized deposition of sediment in the structure. Critical-depth flumes are preferred in rivers where sediment transport through the structure is substantial. Dimensioning of these flumes for sediment-free flow conditions over the structure has not yet been studied. In this paper, theoretical and experimental studies carried out on critical-depth flumes of symmetrical compound cross sections are presented. Design criteria based on hydraulic model studies conducted with sedimentary materials having various properties are given. Following the procedure for dimensioning a proper flow-measurement structure, a design example is presented for application. This procedure can easily be applied to a river of known hydraulic and geometric properties to determine the appropriate dimensions of the flow-measurement structure along which there will be no sediment deposition under any flow condition. Consequently, a fixed rating curve that is unaffected by sediment deposition can be obtained for the flow-measurement structure.

URI

https://hdl.handle.net/11511/31098

Journal

JOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING

DOI

https://doi.org/10.1061/(asce)0733-9437(1994)120:1(110)

Collections

Graduate School of Natural and Applied Sciences, Article

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Citation Formats

M. Göğüş, “FLOW-MEASUREMENT STRUCTURES OF COMPOUND CROSS-SECTION FOR RIVERS,” JOURNAL OF IRRIGATION AND DRAINAGE ENGINEERING, pp. 110–127, 1994, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/31098.