Experimental and numerical investigation of self-priming siphon side weir on a straight open channel |
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| Affiliation: | 1. Bitlis Eren University, Civil Engineering Department, 13100 Bitlis, Turkey;2. Firat University, Civil Engineering Department, 23119 Elazig, Turkey;3. Cukurova University, Civil Engineering Technician Department, 01160 Adana, Turkey;1. IHC MTI, Smitweg 6, 2961 AW Kinderdijk, The Netherlands;2. Delft University of Technology, Faculty of Mechanical, Maritime and Materials Engineering, Section of Dredging Engineering, Mekelweg 2, 2628 CD Delft, The Netherlands;3. Specialist Advisor Instrumentation, Deltares, PO Box 177, 2600 MH Delft, The Netherlands;1. Laboratory of Hydraulics, Hydrology and Glaciology (VAW), Swiss Federal Institute of Technology (ETH) Zurich, CH-8093 Zürich, Switzerland;2. Faculty of Engineering and Science, Universitetet i Adger, Kristiansand, Norway;3. CEris/Cehidro and DECivil, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal |
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| Abstract: | Siphons are basic and powerful hydraulic instruments which can be used as dam spillway or weir. In a siphon, atmospheric pressure pushes the water into the region of vacuum at the crest of the siphon, and then water falls towards the outlet of siphon. In this study, the siphon used as a side weir was investigated to determine hydrodynamic characteristics experimentally, theoretically and numerically. First, the flow properties of main channel were examined for subcritical flow condition. Then, the velocity and pressures distributions inside the siphon; finally the discharge performance of siphon side weir was determined comparatively, and the results were discussed. |
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| Keywords: | Siphon Side weir CFD analysis Physical model Numerical model Free surface flow |
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