Generalized Discharge Relations for Cutthroat Flumes

by Gaylord V. Skogerboe, Assoc. Prof.; Dept. of Agric. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,
Ray S. Bennett, Grad. Res. Asst.; Dept. of Agric. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,
Wynn R. Walker, Res. Assoc.; Dept. of Agric. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,


Serial Information: Journal of the Irrigation and Drainage Division, 1972, Vol. 98, Issue 4, Pg. 569-583


Document Type: Journal Paper

Abstract: A group of Cutthroat flumes was rated under both free flow and submerged flow conditions. Generalized discharge rating curves can be developed due to the simplicity of the structure and the geometric similarity between flume sizes. Twelve flumes were used in this study, including three flume lengths of 1.5 ft (0.45 m), 3 ft (0.90 m), and 4.5 ft (1.35 m), with four different throat widths for each length. In addition, the flume sizes were selected so as to permit correlation with the initial Cutthroat flume studies, wherein a flume length of 9 ft. (2.7 m), and throat widths varying from 1 ft (0.3 m) to 6 ft (1.8 m), were studied.

Subject Headings: Flumes | Submerged flow | Free flow | Water discharge | Ratings | Curvature | Geometrics | Permits

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