Submerged hydraulic jumps below abrupt expansions

In submerged flows below an expanding outlet, both symmetric and asymmetric flows are observed. The hydraulic conditions required to form a symmetric submerged jump are necessary for design purposes. In this study, the flow c onditions are presented for the submerged flows at an abrupt-symmetrical ex pansion. Also, the hydraulic conditions for the formation of a symmetric su bmerged jump are clarified, and an expression is developed for the transiti on between symmetric and asymmetric flows. Further, an equation on the leng th of submerged jumps is derived.