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2018•Journal of Fundamental and Applied SciencesOpen access

Experimental study of the hydraulic jump in a hydraulic jump in a sloped rectangular channel

Samir Kateb, Ali Ghomri, Mahmoud Debabèche

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Abstract

The hydraulic jump in a sloped rectangular channel is theoretically and experimentally examined. The study aims to determine the effect of the channel’s slope on the sequent depth ratio of the jump. A theoretical relation is proposed for the inflow Froude number as function of the sequent depth ratio and the channel slope. An experimental analysis is also proposed to find a better formulation of the obtained relation. For this motive, five positive slopes are tested. The relations obtained are recommended for designing irrigation ditches.Keywords: Hydraulic jump; rectangular channel; positive slope; open channels; irrigation ditches.

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The hydraulic jump in a sloped rectangular channel is theoretically and experimentally examined. The study aims to determine the effect of the channel’s slope on the sequent depth ratio of the jump. A theoretical relation is proposed for the inflow Froude number as function of the sequent depth ratio and the channel slope. An experimental analysis is also proposed to find a better formulation of the obtained relation. For this motive, five positive slopes are tested. The relations obtained are recommended for designing irrigation ditches.Keywords: Hydraulic jump; rectangular channel; positive slope; open channels; irrigation ditches.

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Available abstract

The hydraulic jump in a sloped rectangular channel is theoretically and experimentally examined. The study aims to determine the effect of the channel’s slope on the sequent depth ratio of the jump. A theoretical relation is proposed for the inflow Froude number as function of the sequent depth ratio and the channel slope. An experimental analysis is also proposed to find a better formulation of the obtained relation. For this motive, five positive slopes are tested. The relations obtained are recommended for designing irrigation ditches.Keywords: Hydraulic jump; rectangular channel; positive slope; open channels; irrigation ditches.

Key concepts: Hydraulic jump, Froude number, Jump, Channel (broadcasting), Open-channel flow, Geotechnical engineering, Mechanics, Mathematics

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