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Effects of water inlet configuration in a service reservoir applying CFD modelling
Efecto de la configuración de entrada de agua en un tanque de compensación aplicando modelación CFD
DOI:
https://doi.org/10.15446/ing.investig.v36n1.50631Keywords:
Computational fluid dynamics, CFD, free residual chlorine, mixing time, momentum flow, service reservoir, tracer. (en)Dinámica de fluidos computacional, CFD, cloro residual libre, tiempo de mezcla, flujo de momento, tanque de compensación, trazador. (es)
This study investigated the state of a service reservoir of a drinking water distribution network. Numerical simulation was applied to establish its flow pattern, mixing conditions, and free residual chlorine decay. The influence of the change in the water inlet configuration on these characteristics was evaluated. Four scenarios were established with different water level and flow rate as the differences between the first three scenarios. The fourth scenario was evaluated to assess the influence of the inlet configuration, momentum flow and water level on hydrodynamic conditions within the service reservoir. The distribution of four nozzles of 152.4mm diameter was identified as a viable measure to preserve the water quality in this type of hydraulic structures.
En este estudio se evaluó mediante simulación numérica la influencia del cambio en la configuración de entrada de agua sobre el patrón de flujo, condiciones de mezcla y decaimiento del cloro residual libre en un tanque de compensación de una red de distribución de agua potable. Se establecieron cuatro escenarios, tres presentaron diferencias en el nivel de agua y velocidad de flujo y el cuarto escenario evaluó la influencia de la configuración de entrada, el flujo de momento y nivel del agua sobre las condiciones hidrodinámicas en el tanque de compensación. La distribución de cuatro boquillas de 152,4mm de diámetro fue identificada como una medida viable para preservar la calidad del agua en este tipo de estructuras hidráulicas.
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Copyright (c) 2016 Carolina Montoya Pachongo, Santiago Laín Beatove, Patricia Torres Lozada, Camilo Hernán Cruz-Vélez, Juan Carlos Escobar Rivera
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