Combined use of LS-PIV and CFD for the characterization of turbulent flow in the contact  chamber of ‘COSTA AZUL’ wastewater treatment plant, Carlos Paz

Ragessi I. Matias; Leyria Rainieri Gianina; Ganancias FacundoGarcia C. MarceloDi Buo MelinaBalangero Bottazzi Gerardo

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Combined use of LS-PIV and CFD for the characterization of turbulent flow in the contact chamber of ‘COSTA AZUL’ wastewater treatment plant, Carlos Paz

机译：Combined use of LS-PIV and CFD for the characterization of turbulent flow in the contact chamber of ‘COSTA AZUL’ wastewater treatment plant, Carlos Paz

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The Costa Azul wastewater treatment plant is situated in Carlos Paz city (Cordoba, Argentina). The treated water is discharged to the SanRoque reservoir, which is the source of water for the city of Cordoba and surrounding towns. Consequently, it is of great importance to evaluatethe potential impact on the water quality reservoir for the preservation of public health. Currently, the WWTP lacks an accurate flowmonitoring system at the last treatment: disinfection. This problem led to the development of a methodology in which experimentalin-situ work and computational fluid dynamics (CFD) were applied, in a combined way, to calibrate the flow measurement system. First,large-scale particle image velocimetry (LS-PIV) was applied. The results made it possible to obtain characteristic parameters of the averageflow: cross-sectional velocity profiles, recirculation and flow stagnation zones, flow discharge and characteristic parameters of the contactchamber. Second, numerical models, based on the Reynolds-average Navier–Stokes equations with the k–ε turbulent closure model wereused. Based on the simulation results, it was possible to calibrate the discharge equation for a rectangular weir, and elaborate recommendationsto improve the discharge measurement system and hydraulics in the area of the contact chamber curves.

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《Journal of hydroinformatics》 |2021年第5期|1083-1097|共15页
作者
Ragessi I. Matias; Leyria Rainieri Gianina; Ganancias FacundoGarcia C. MarceloDi Buo MelinaBalangero Bottazzi Gerardo;
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作者单位

Faculty of Exact, Physical and Natural Sciences, National University of Cordoba, Cordoba, Argentina Institute for Advanced Studies in Engineering and Technology, National Council for Scientific and Technical Research, National University of Cordoba, Cordo;

Faculty of Exact, Physical and Natural Sciences, National University of Cordoba, Cordoba, Argentina;

Faculty of Engineering, Catholic University of Cordoba, Cordoba, ArgentinaFaculty of Engineering, Catholic University of Cordoba, Cordoba, Argentina Faculty of Exact, Physical and Natural Sciences, National University of Cordoba, Cordoba, Argentina;

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收录信息美国《科学引文索引》(SCI);
原文格式 PDF
正文语种英语
中图分类水文科学（水界物理学）;
关键词
CFD; contact chamber; LS-PIV; turbulent flow; WWTP;

Combined use of LS-PIV and CFD for the characterization of turbulent flow in the contact chamber of ‘COSTA AZUL’ wastewater treatment plant, Carlos Paz

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