Ghomri, ARiguet, FDebabeche, M2023-05-212023-05-212013Ghomri, A. Riguet, F. Debabeche,M. APPROCHE EXPERIMENTALE DE LA LONGUEUR DU ROULEAU DU SURFACE DU RESSAUT HYDRAULIQUE DANS UN CANAL PROFILE EN “U” A FOND RUGUEUX. The International Journal of Energetica. Vol 02. No 01.00/00/2013.faculty of technology. university of el oued. [visited in ../../….]. available from [copy the link here]2253-0932http://dspace.univ-eloued.dz/handle/123456789/23551ArticleThis study aims to experimentally evaluate an experimental approach to the length of the roller surface of the hydraulic jump controlled by threshold, moving in a channel profile 'U' rough bottom roughness for different tested. a functional relationship in dimensionless term, linking the different characteristics of the projection, showing the effect of the roughness of the channel bottom was obtained.enHydraulic jump, channel-shaped in U, stilling basin, channel bottom roughArticle