DISCHARGE CHARACTERESTICS OF SUBMERGED BROAD CRESTED WEIRS

Abstract

This thenic prenentu the recu3tu of an ozporiiaatn,1 fnvccttation for Jr4iotin tho dioc he r o over oupproøt3od b►rot d orcQtod ioirn tith vertical anc clopin; facoo under catriored oonditona, All the olopin rase tented in thie otudy had en upotro elope of 1:1 and the do n .otre olopu ofIz w. a,I relation ens firot obtainedfor t ceh ar o over vin ra. tith vortical and f3lOp fu au under free f .ov oond . toms. Th a relation rolaton ic based on the application cf the one and tho continuity cuationc and the variation of he affectivehe , fosse determined UOInZ oxporiwentaL data. Thin -relation has boon wood oubao', a tly in uriulyoi r experimental data to i,tudy the influence of cibtorenoo. It hao boon ahon that tho ratio of tho oubniorrcd and free floe diachuroo i a function of uboonco am the h pe of the tor. The roaltc chop that the dioohare io unaffected by oubnoronco upto BD, The rolat one ovoly od in th ie thooio enable prcdiotion of d oche o to an aocu* may of # 5 for the available data* .i criterion for the type of jump *► free or cu tinored.. hw also boon evolved on the basin of the experimental data collected in this stud .