Mühendislik ve Doğa Bilimleri Fakültesi

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Experimental and Numerical Modeling of Head Over Broad Crested Weirs
(Konya Technical University, 2020) Yıldız, Murat Can; Yarar, Alpaslan
The cross section of an open channel is closed by a barrier, in order to measure and control to the flow. Weirs are one of the hydraulic structures, constructed fort his aim. Flow pass over the weir to the downstream. Weirs can be classified as sharped crested weirs, broad crested weirs and ogee spillways. Crest width of the broad crested weir is designed according to flow conditions on upstream, so, critical flow can be obtained throughout the crest. In this study, the effect of the broad crested weirs models, having different slopes, on the flow conditions, by experimental. Three different broad crested weirs were made and 41 head were measured for different discharge on each model. Numerical models, having the same conditions with the experimental models, were also done by ANSYS-FLUENT, computational fluid dynamics (CFD) software. Results of the experimental and numerical models were compared and it was seen that the results are consistent with each other.