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Listar por palabra clave "Water supply systems"

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por palabra clave "Water supply systems"

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    3D model evolution of a leak based on GPR image interpretations 
    Ocana-Levario, S.J.; Ayala Cabrera, David; Izquierdo Sebastián, Joaquín; Pérez García, Rafael (IWA Publishing, 2015-12)
    This paper presents some aspects of the time propagation of underground water leakage in controlled laboratory conditions using a drilled polyvinyl chloride (PVC) pipe and interpreting ground penetrating radar (GPR) images. ...
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    An approach to AHP decision in a dynamic context 
    Benítez López, Julio; Delgado Galván, Xitlali Virginia; Izquierdo Sebastián, Joaquín; Pérez García, Rafael (Elsevier, 2012-06)
    AHP (analytic hierarchy process) is used to construct coherent aggregate results from preference data provided by decision makers. Pairwise comparison, used by AHP, shares a common weakness with other input formats used ...
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    Análisis, caracterización y modelación 3D de fugas de agua en sistemas de abastecimiento de agua mediante imágenes de GPR 
    Ocaña Levario, Silvia Janeth (Universitat Politècnica de València, 2021-03-04)
    [ES] Los esfuerzos que hacen los países, en conjunto con organizaciones mundiales, tales como IWA (por International Water Association), ONU-Agua y OMS (Organización Mundial de la Salud), para mitigar el impacto ambiental ...
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    Assessment of Peak Water Usage among Residential Consumers across Several Drinking Water Service Areas 
    Garzón-Orduña, Alex J.; Coronado-Hernández, Oscar E.; Ortiz, Rafael O.; Arrieta-Pastrana, Alfonso; Fuertes-Miquel, Vicente S. (MDPI AG, 2024-02)
    [EN] Public drinking water service providers must comprehensively understand and effectively characterise user demands, especially during peak hours, which not only impact the maximum demand within the distribution network ...
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    Characterization of components of water supply systems from GPR images and tools of intelligent data analysis 
    Ayala Cabrera, David (Universitat Politècnica de València, 2015-12-29)
    [EN] Over time, due to multiple operational and maintenance activities, the networks of water supply systems (WSSs) undergo interventions, modifications or even are closed. In many cases, these activities are not properly ...
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    Consistent completion of incomplete judgments in decision making using AHP 
    Benítez López, Julio; Delgado Galván, Xitlali Virginia; Izquierdo Sebastián, Joaquín; Pérez García, Rafael (Elsevier, 2015-12-15)
    Decision making (DM) processes are becoming increasingly complex. The reasons are manifold. DM usually involves many aspects; some are purely technical, while others are subjective and derived from social, political, and ...
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    Diseño y desarrollo de un bebedero automático para gatos 
    Estrada Abouzahr, Javier (Universitat Politècnica de València, 2024-09-06)
    [ES] El mercado de productos para mascotas está en constante crecimiento y uno de los puntos de alto interés de los consumidores está en lograr bebederos con un suministro continuo de agua en condiciones óptimas. Estos ...
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    GPR image analysis to locate water leaks from buried pipes by applying variance filters 
    Ocaña-Levario, Silvia Janeth; Carreño-Alvarado, Elizabeth Pauline; Ayala Cabrera, David; Izquierdo Sebastián, Joaquín (Elsevier, 2018)
    [EN] Nowadays, there is growing interest in controlling and reducing the amount of water lost through leakage in water supply systems (WSSs). Leakage is, in fact, one of the biggest problems faced by the managers of these ...
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    GPR-based water leak models in water distribution systems 
    Ayala Cabrera, David; Herrera Fernández, Antonio Manuel; Izquierdo Sebastián, Joaquín; Ocaña Levario, Silvia Janeth; Pérez García, Rafael (MDPI, 2013-12)
    [EN] This paper addresses the problem of leakage in water distribution systems through the use of ground penetrating radar (GPR) as a nondestructive method. Laboratory tests are performed to extract features of water leakage ...
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    Hybrid SOM+k-Means Clustering to Improve Planning, Operation and Management in Water Distribution Systems 
    Brentan, Bruno M.; Meirelles, G.; Luvizotto, E.; Izquierdo Sebastián, Joaquín (Elsevier, 2018)
    [EN] With the advance of new technologies and emergence of the concept of the smart city, there has been a dramatic increase in available information. Water distribution systems (WDSs) in which databases can be updated ...
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    Hydraulic State Estimation: pilot implementation in a water distribution system 
    Ruiz Gómez, Emilio; Díaz García, Sarai; González Pérez, Javier (Editorial Universitat Politècnica de València, 2024-03-06)
    [EN] Hydraulic State Estimation (HSE) is an effective tool for water supply systems monitoring. This technique provides the most likely hydraulic state of the network by making use of the available measurements through the ...
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    Location of buried plastic pipes by multi-agent support based on GPR images 
    Ayala Cabrera, David; Herrera Fernández, Antonio Manuel; Izquierdo Sebastián, Joaquín; Pérez García, Rafael (Elsevier, 2011-12)
    This work focuses on the generation of tools to aid inspection and identify buried plastic pipes in water supply systems (WSS). In our study we use ground penetrating system (GPR) images as a non-destructive method of ...
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    Los paisajes del agua en la Huerta Norte de Valencia 
    Herchlová, Simona (Universitat Politècnica de València, 2018-01-29)
    [ES] El presente trabajo estudia el agua como elemento compositivo del paisaje y los distintos sistemas de abastecimiento hídrico. Con el fin de aplicar los conocimientos adquiridos al caso práctico de la Huerta Norte de ...
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    Multi-Agent Approach to Biofilm Development in Water Supply Systems 
    Ramos Martínez, Eva; Herrera Fernández, Antonio Manuel; Izquierdo Sebastián, Joaquín; Pérez García, Rafael (Athens Institute for Education and Research, 2015)
    [EN] The presence of regulated quantities of residual disinfectant is a usual feature in water supply systems (WSSs); nevertheless, biofilm formation persists in all of them, representing a paradigm in WSSs management ...
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    Near real time pump optimization and pressure management 
    Brentan, Bruno M.; Luvizotto, Edevar Jr.; Montalvo, Idel; Izquierdo Sebastián, Joaquín; Pérez García, Rafael (Elsevier, 2017)
    [EN] Management of existing systems can be interpreted as sets of decisions to make regarding pumps and valves to create hydraulic conditions able to satisfy the demand without operational problems such as pressures lower ...
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    Risk analysis methods of water supply systems: comprehensive review from source to tap 
    Kombo-Mpindou, Gilver Odilon Mendel; Escuder Bueno, Ignacio; Chordà Ramón, Estela (SpringerOpen, 2022-04)
    [EN] Around 30-40 years ago, principles and methods were developed to conceptualise, assess and manage risk. These principles and methods are still, to a large extent, the foundation of the field. Over the past decade, ...
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    Small community water supplies in the Isiolo County, Kenya 
    Vezza, Paolo; Arnesano, Roberto; Boano, Fulvio; Bessone, Andrea (Editorial Universitat Politècnica de València, 2024-03-06)
    [EN] Lack of access to drinking water mostly affects the sub-Saharan Africa. In Kenya, since 2000, access to safe drinking water has increased by 12 per cent, while access to basic sanitation has fallen by five per cent. ...
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    TEmporal Scale SIgmoid Curve (TESIC): A tool to characterize short-term demand variability at water supply systems 
    Ruiz Gómez, Emilio; Díaz García, Sarai; González Pérez, Javier (Editorial Universitat Politècnica de València, 2024-03-06)
    [EN] Water demand is the main random factor that conditions flow variability across water supply systems. Water demand measurements or pseudomeasurements (i.e. estimations based on historical data) are associated with a ...
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    Towards the visualization of water supply system components with GPR images 
    Ayala Cabrera, David; Herrera Fernández, Antonio Manuel; Montalvo Arango, Idel; Pérez García, Rafael (Elsevier, 2011-10)
    [EN] We propose a methodological tool for examining the layout and revealing the concealed characteristics of urban water supply systems (WSS). For this purpose, we use underground images obtained with ground penetrating ...
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    Water leakage evolution based on GPR interpretations 
    Ayala Cabrera, David; Campbell, Enrique; Carreño Alvarado, Elizabeth Pauline; Izquierdo Sebastián, Joaquín; Pérez García, Rafael (Elsevier, 2014)
    [EN] This document shows some aspects regarding water leakage time propagation through the underground, in controlled laboratory conditions, using a drilled PVC pipe, through the interpretation of GPR images. The extraction ...