1D Syphons: Difference between revisions

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Line 1: ~~<font size = 18>Page Under Construction</font>~~ ~~<br>~~ ~~<br>~~ ~~<br>~~ == Introduction == A syphon (or siphon) is a hydraulic structure used to transfer water from one location to another, typically over an elevation difference, without the need for pumping. A syphon operates based on the principle of atmospheric pressure and gravity. Line 13 ⟶ 9: == 1D Configuration == ~~There~~Whilst TUFLOW does have a specific syphon channel, there are two approaches to model a syphon system in TUFLOW. === Matrix Flows === The most appropriate approach to model a syphon is to use a M channel, described in Section 5.8.1 ''M Channels (User Defined Flow Matrix)'' in the, <u>[https://downloads.tuflow.com/TUFLOW/Releases/Latest/TUFLOW%20Manual.pdf\| TUFLOW user manual]</u>. AnA M channel can be used to define a matrix of flows between two invert levels based on their respective depths. If this matrix of flows through the syphon can be calculated, or if they are given as part of the operational instructions, then they can be input in .csv form as below, where negative values indicate flows going from downstream to upstream. [[File:~~Syphon~~M channel matrix ~~w10~~.jpg~~\| 600px~~]] === Storage Nodes & Additional Losses === Line 43 ⟶ 39: The following figure provides bend coefficient values for common bend types: [[File:Bend losses 1.jpg \|thumb\|none\|upright=5\|Table 8-4, Fluid Mechanics: Fundamentals and Applications 4th ed.(2018)]]<br> ~~[[File:Bend losses.jpg]]~~ If you have any further questions about syphons or any other aspect of TUFLOW functionality, please email TUFLOW support: [mailto:support@tuflow.com?Subject=TUFLOW%201D%20weirs%20help support@tuflow.com]▼ ▲If you have any further questions about syphons or any other aspect of TUFLOW functionality, please email TUFLOW support: support@tuflow.com {{Tips Navigation