Abstract
Manyr esearchersin vestigatejdu mp characteristicisn slopingc hannels, b ut the effecto f an aeratedi nflowo n flowcharacteristicosf hydraulicju mps has not been shown at all. This paper presents the effect of aerated in flow on flow characteristics of hydraulic jumps in steeps lopingc hannels (i. e., 30 and 55 degrees). The experimental in vestigation reveals the relationship between velocity decay, jumps length, and air-concentration distribution in hydraulic jumps under different air-concentration of aerated inflows. Further, an air-concentration distribution in hydraulic jumps has been characterized, and the magnitude and distributionp atterno fair-concentratioin n jumps has been discussed betweena erateda nd non -aeratedi nflows.
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