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1D numerical approach to model the flow over a piano key weir (PKW)

Approche numérique 1D pour la modélisation des écoulements sur un déversoir en touches de piano (PKW)
Authors: Erpicum, Sébastien; Machiels, Olivier; Archambeau, Pierre; Dewals, Benjamin; Pirotton, Michel;

1D numerical approach to model the flow over a piano key weir (PKW)

Abstract

Le déversoir en touche de piano (Piano Key Weir – PKW) est un nouveau type de déversoir qui possède des capacités hydrauliques intéressantes, en particulier pour de faibles hauteurs de charge. Cependant, sa géométrie complexe, avec un grand nombre de paramètres, rend difficile la compréhension de son fonctionnement hydraulique et donc le dimensionnement d’une solution optimale. Dans cet article, on analyse comment une approche numérique 1D peut prédire l’écoulement sur un PKW et dés lors aider à identifier les paramètres géométriques les plus pertinents. Après une description détaillée du modèle numérique, une première comparaison des résultats numériques avec des résultats expérimentaux est réalisée, débouchant sur des résultats prometteurs.

Piano Key Weir (PKW) is a new type of weir showing appealing hydraulic capacities, in particular for low heads. However, its complex geometry, with a large set of parameters, makes difficult the understanding of the flow features and consequently the definition of an optimal design. In this paper, we investigate how a 1D numerical approach can predict the flow over a PKW and thus help in identifying the most relevant geometric parameters. After a detailed description of the numerical model, a comparison of the numerical results with experimental data is realized, showing promising results.

Country
Belgium
Related Organizations
Keywords

Ingénierie civile, PKW, Civil engineering, 1D modeling, Finite volume, Engineering, computing & technology, Ingénierie, informatique & technologie

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green