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Influence of cycle number in CFD studies of labyrinth weirs
- The major advantage of labyrinth weirs over linear weirs is hydraulic efficiency. In hydraulic modeling efforts, this strength contrasts with limited pump capacity as well as limited computational power for CFD simulations. For the latter, reducing the number of investigated cycles can significantly reduce necessary computational time. In this study, a labyrinth weir with different cycle numbers was investigated. The simulations were conducted in FLOW-3D HYDRO as a Large Eddy Simulation. With a mean deviation of 1.75 % between simulated discharge coefficients and literature design equations, a reasonable agreement was found. For downstream conditions, overall consistent results were observed as well. However, the orientation of labyrinth weirs with a single cycle should be chosen carefully under consideration of the individual research purpose.
| Author: | Daniel Bernhard BungORCiD, Phillip Langohr, Lisa Waldenberger |
|---|---|
| DOI: | https://doi.org/10.3850/978-90-833476-1-5_iahr40wc-p0531-cd |
| ISBN: | 978-90-833476-1-5 |
| ISSN: | L 2521-7119 (online) |
| Parent Title (English): | Proceedings of the 40th IAHR World Congress (Vienna, 2023) |
| Publisher: | International Association for Hydro-Environment Engineering and Research (IAHR) |
| Place of publication: | Madrid |
| Editor: | Helmut Habersack, Michael Tritthart |
| Document Type: | Conference Proceeding |
| Language: | English |
| Year of Completion: | 2023 |
| Contributing Corporation: | IAHR International Association for Hydro-Environment Engineering and Research |
| Date of the Publication (Server): | 2024/07/16 |
| Tag: | CFD; Labyfrinth weirs; Large Eddy Simulation |
| Note: | Vienna, Austria, from August 21 to 25, 2023 |
| Link: | https://doi.org/10.3850/978-90-833476-1-5_iahr40wc-p0531-cd |
| Zugriffsart: | bezahl |
| collections: | Verlag / International Association for Hydro-Environment Engineering and Research (IAHR) |
