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Supercritical Flow over Sills at Incipient Jump Conditions
A laboratory investigation has been conducted to study the conditions mainly responsible for the stabilization and prediction of the hydraulic jump in a rectangular, horizontal-bed channel with a square-shaped bottom sill at the incipient jump condition (i.e., at the verge of formation of the jump, however, without it actually forming). A theoretical analysis based upon the momentum and continuity principles has been carried out. A formula for the design of the sills, when the ratio of the sill height to the upstream depth is smaller than 1.25, is suggested. A relationship between the drag experienced by the sill and the upstream Froude number is also given. The theoretical formulation has been checked by laboratory experimentation.
Supercritical Flow over Sills at Incipient Jump Conditions
A laboratory investigation has been conducted to study the conditions mainly responsible for the stabilization and prediction of the hydraulic jump in a rectangular, horizontal-bed channel with a square-shaped bottom sill at the incipient jump condition (i.e., at the verge of formation of the jump, however, without it actually forming). A theoretical analysis based upon the momentum and continuity principles has been carried out. A formula for the design of the sills, when the ratio of the sill height to the upstream depth is smaller than 1.25, is suggested. A relationship between the drag experienced by the sill and the upstream Froude number is also given. The theoretical formulation has been checked by laboratory experimentation.
Supercritical Flow over Sills at Incipient Jump Conditions
Karki, Karam S. (author) / Chander, Subhash (author) / Malhotra, Ramesh C. (author)
Journal of the Hydraulics Division ; 98 ; 1753-1764
2021-01-01
121972-01-01 pages
Article (Journal)
Electronic Resource
Unknown
| ASCE | 2021
| ASCE | 2021