Effect of Bed Roughness on Hydraulic Jump Characteristics. | ||||
| MEJ- Mansoura Engineering Journal | ||||
| Article 1, Volume 30, Issue 1, March 2005, Page 1-9 PDF (27.33 MB) | ||||
| Document Type: Research Studies | ||||
| DOI: 10.21608/bfemu.2020.130300 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| M. I. Attia* | ||||
| Associate Professor., Water & Water Structures Engineering Department Faculty of Engineering., Zagazig University, Egypt | ||||
| Abstract | ||||
| Hydraulic jump characteristics were measured over various types of artificially roughened test beds in a horizontal flume 5 cm bed width and smooth vertical side walls. Roughness was created using 8.7 mm high cylindrical pins of 6 mm diameter. The patterns of roughness were staggered or parallel and also using strip and spotted roughness test bed, which provided the range of bed friction from 0.042 to 0.16 5. It was observed that the bed roughness reduces the sequent depth and length of hydraulic jump; the observed reductions were related to the Froude number and the bed roughness. | ||||
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