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Ara es mostren els items 36-55 de 73

    • Flood depth-damage curves for Spanish urban areas 

      Martínez Gomariz, Eduardo; Forero Ortiz, Edwar Andres; Guerrero Hidalga, María; Castan, Salvador; Gómez Valentín, Manuel (2020-04)
      Article
      Accés obert
      Depth‒damage curves, also known as vulnerability curves, are an essential element of many flood damage models. A relevant characteristic of these curves is their applicability limitations in space and time. The reader will ...

    • GoRoSoBo simplified: an accurate feedback control algorithm in real time for irrigation canals 

      Bonet Gil, Enrique; Gómez Valentín, Manuel; Yubero de Mateo, Maria Teresa; Fernandez Francos, Joaquin (2019-11)
      Article
      Accés restringit per política de l'editorial
      An irrigation canal is a hydraulic system whose main objective is to convey water from a source (dam, river) to different users. Such systems can be very large (several tens or hundreds of kilometers), characterized by ...

    • GoRoSoBo: an overall control diagram to improve the efficiency of water transport systems in real time 

      Bonet Gil, Enrique; Gómez Valentín, Manuel; Yubero de Mateo, Maria Teresa; Fernández-Francos, Xavier (2017-05)
      Article
      Accés obert
      Agriculture plays an important part in the food chain and water resources for agriculture are essential. A problem is that the water transport systems present low efficiencies in practice. Crop yields must be optimized, ...

    • GoRoSoBo: un algoritmo predictivo de control para canales de riego en tiempo real 

      Bonet Gil, Enrique; Gómez Valentín, Manuel; Soler Guitart, Joan (2015)
      Text en actes de congrés
      Accés obert

    • Irrigation canal models for automatic control purposes 

      Horvath, Klaudia; Galvis Restrepo, Eduard; Gómez Valentín, Manuel; Rodellar Benedé, José (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-15)
      Comunicació de congrés
      Accés obert
      volumes during normal canal operation. In order to develop control algorithms for irrigation canals there is a need for simple linear models to be used in the algorithms. The following simple linear models are approximating ...

    • Is it better to use gate opening as control variable than discharge to control irrigation canals? 

      Horváth, Klaudia; Galvis Restrepo, Eduard; Gómez Valentín, Manuel; Rodellar Benedé, José (2015-03)
      Article
      Accés obert
      Centralized model predictive controllers are common in water systems. The control action variable can be the discharge, and the subsystems (canal pools) are modeled separately. This paper focuses on short canal pools where ...

    • Methodologies to study the surface hydraulic behaviour of urban catchments during storm events 

      Gómez Valentín, Manuel; Macchione, Francesco; Russo, Beniamino (2010-06)
      Article
      Accés restringit per política de l'editorial
      Une bonne connaissance du comportement hydraulique d'un bassin versant urbain et de ses écoulements en surface (avaloirs) représente une exigence essentielle pour garantir la sécurité du trafic et des piétons, ainsi qu’une ...

    • Methodology for the damage assessment of vehicles exposed to flooding in urban areas 

      Martínez Gomariz, Eduardo; Gómez Valentín, Manuel; Russo, Beniamino; Sánchez Hernando, Pablo; Montes, Josep-Anton (2019-09)
      Article
      Accés obert
      Within urban areas, humans carry out a great diversity of activities, and some of them require the use of vehicles. Floods, especially in urban areas, can generate significant tangible direct damages to vehicles themselves ...

    • Methodology to estimate the hydraulic efficiency of nontested continuous transverse grates 

      Russo, Beniamino; Gómez Valentín, Manuel; Tellez Alvarez, Jackson David (2013)
      Article
      Accés restringit per política de l'editorial
      The aim of this paper is to improve and complete the results presented in a previous work published on this journal about an experimental campaign focused on the hydraulic efficiency of continuous transverse grates for ...

    • Methodology to quantify clogging coefficients for grated inlets: application to SANT MARTI catchment (Barcelona) 

      Gómez Valentín, Manuel; Parés, J.; Russo, Beniamino; Martínez Gomariz, Eduardo (2019-12)
      Article
      Accés obert
      Within the drainage system of a city, the set of inlets is in charge of taking the runoff produced by local storms to the stormwater/sewer. In the drainage system design the selection of appropriate inlet models and their ...

    • Metodologia para la obtención del campo de velocidad en la proximidad de las rejas de alcantarillado 

      Tellez Alvarez, Jackson David; Gómez Valentín, Manuel; Russo, Beniamino; Redondo Apraiz, José Manuel (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Los grandes cambios urbanísticos de las últimas décadas en nuestras ciudades han modificado significativamente su respuesta hidrológica frente a un evento de lluvia. Esto se traduce en un aumento de las velocidades de ...

    • Modelación numérica del flujo mixto y bolsas de aire atrapado en colectores pluviales 

      Aragón Hernández, José Luis; Bladé i Castellet, Ernest; Gómez Valentín, Manuel (2011)
      Text en actes de congrés
      Accés obert
      [...] En este trabajo para simular numéricamente flujo mixto se presenta un modelo que se clasifica dentro de los modelos dinámicos que utiliza dos sistemas de ecuaciones considerando flujo incomprensible, por lo que para ...

    • Modelación numérica en ríos en régimen permanente y variable : una visión a partir del modelo HEC-RAS 

      Bladé i Castellet, Ernest; Sánchez Juny, Martí; Sánchez Tueros, Hans Paul; Niñerola Chifoni, Daniel; Gómez Valentín, Manuel (Edicions UPC, 2009)
      Llibre
      Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
      La modelación numérica del flujo en lámina libre es una herramienta cada vez más utilizada y con un creciente abanico de posibles aplicaciones. HEC-RAS es un modelo numérico en continuo desarrollo, aplicable en el ámbito ...

    • Modelo físico para el estudio de los criterios de riesgo en zonas urbanas 

      Gómez Valentín, Manuel; Macchione, Francesco; Russo, Beniamino (2010)
      Text en actes de congrés
      Accés obert
      Las inundaciones en medio urbano son fenómenos que generalmente se caracterizan para su corta duración y para los efectos devastadores debido a la alta concentración de personas, viviendas y bienes localizados en estas ...

    • Modelo numérico para el estudio de canales de aprovechamiento hidroeléctrico 

      Gómez Valentín, Manuel; Bateman Pinzón, Allen; Dolz Ripollès, Josep (1992-01)
      Article
      Accés obert
      Se presenta un modelo numérico para el estudio del flujo no permanente en canales de aprovecha­mientos hidroeléctricos, desarrollado por encargo de las compañías eléctricas operantes en Cataluña. Como características del ...

    • Multivariable model predictive control of water levels on a laboratory canal 

      Horvath, Klaudia; Van Overloop, P.J.; Galvis Restrepo, Eduard; Gómez Valentín, Manuel; Rodellar Benedé, José (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Automatic control of irrigation canals can reduce the loss of water in considerable amounts, therefore it is generating ecologic and economic benefits. There have been many different types of automatic controllers developed, ...

    • New offset-free method for model predictive control of open channels 

      Horváth, Klaudia; Galvis, Eduard; Gómez Valentín, Manuel; Rodellar Benedé, José (2015-08)
      Article
      Accés obert
      Irrigation or drainage canals can be controlled by model predictive control (MPC). Applying MPC with an internal model in the presence of unknown disturbances in some cases can lead to steady state offset. Therefore an ...

    • Numerical and experimental approaches to estimate discharge coefficients and energy loss coefficients in pressurized grated inlets 

      Tellez Alvarez, Jackson David; Gómez Valentín, Manuel; Russo, Beniamino; Amezaga Kutija, Marko (Multidisciplinary Digital Publishing Institute (MDPI), 2021-12)
      Article
      Accés obert
      Numerical models concerning inlet systems are run to assess the hydraulic performance of existing or new systems and estimate the flow interchanges between the surface overland and sewer flows. In most programs, these ...

    • Pedestrian hazard criteria for flooded urban areas 

      Russo, Beniamino; Gómez Valentín, Manuel; Macchione, Francesco (2013-10)
      Article
      Accés restringit per política de l'editorial
      Urban floods are sudden phenomena normally characterized by short flooding durations and devastating effects due to the high concentrations of persons, goods, and properties located in urban areas. In these cases, uncontrolled ...

    • Prediction of organic combined sewer sediment release and transport 

      Seco, Raquel Irene; Schellart, Alma Neeltje Antonia; Gómez Valentín, Manuel; Tait, Simon (2018-03)
      Article
      Accés restringit per política de l'editorial
      Accurate predictions of sediment loads released by sewer overflow discharges are important for being able to provide protection to vulnerable receiving waters. These predictions are sensitive to the estimated sediment ...