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Sustainability 2018, 10(3), 745; doi:10.3390/su10030745

Toward Sustainable Management: 2D Modelling of a Self-Cleaning System to Improve Geometry in Front of the Flushing Gate

SUEZ Advanced Solutions, Urban Drainage Direction, 48 Passeig Zona Franca, 08038 Barcelona, Spain
Flumen Research Institute, Technical University of Catalonia—Barcelona Tech, Jordi Girona 1-3, 08034 Barcelona, Spain
Department of Civil & Environmental Engineering, Incheon National University, Incheon 22012, Korea
Author to whom correspondence should be addressed.
Received: 11 February 2018 / Revised: 4 March 2018 / Accepted: 7 March 2018 / Published: 8 March 2018
(This article belongs to the Special Issue Urban Water Management)
View Full-Text   |   Download PDF [8112 KB, uploaded 8 March 2018]   |  


This paper aims to show how numerical modelling based on 2D SWE can be used to analyze the cleaning effectiveness of flushing waves in storm tanks. The case study under consideration is an existing storm tank located in Badalona, a municipality of Barcelona, Spain. Storm tank cleaning systems are critical features that must be carefully addressed. If not appropriately addressed, operation and maintenance work costs can drastically increase. There are numerous currently available technologies for cleaning storage tanks. However, no specific guide on this field has been identified. References are provided by the manufacturers through their commercial catalogues. Generally, this information is not based on experimental or numerical experiences or results have not been published in the literature of scientific papers. In this study, a public domain software (IBER) was used to develop 2D hydraulic analysis of the selected tank. The results obtained show how the phenomenon of recirculation is acting in some areas of the lane. This implies a dissipation of energy, thus causing difficulties in terms of cleaning procedures. Furthermore, two new scenarios have been tested to determine how a different lane width might affect hydrodynamic behavior. A newly suggested geometry for the existing lane of the tank is proposed by using the numerical modeling software. The proposed geometry in the current pilot tank achieves higher velocities and avoids recirculation areas. The results demonstrate that numerical modelling of these types of processes is possible with the computer models available (commercial codes) and can be used to optimize cleaning system design. View Full-Text
Keywords: 2D modelling; cleaning system; flushing system; recirculation; retention tank; storm tank; IBER 2D modelling; cleaning system; flushing system; recirculation; retention tank; storm tank; IBER

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ruiloba, L.C.; Gómez, M.; Russo, B.; Choi, G.; Jang, D. Toward Sustainable Management: 2D Modelling of a Self-Cleaning System to Improve Geometry in Front of the Flushing Gate. Sustainability 2018, 10, 745.

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