Flow characteristics are measured experimentally on an artificially roughened bed in a horizontal flume. The pattern; of roughness are staggered arrangements. The water surface profile is recorded at different sections. This paper investigated the effects of using fiberglass sheets as roughness elements for staggered arrangement, on different flow characteristics. Compared to the smooth bed, it is observed that the roughness bed decreases the relative jump depth by 22%, increases the relative energy loss by 14%, and reduces the relative jump length by 8.1%. The experimental results achieved promising results regarding each of dissipating energy; the relative jump length as well as the relative jump depth in addition to the coefficient of discharge. The derived formulas for relative depth and the relative energy loss that satisfactorily agree with the experimental data are proposed. Prediction equations were developed using the multiple linear regression (MLR) to model the hydraulic jump characteristics.
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