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Browsing by UPV Unit "Universitat Politècnica de València. Departamento de Ingeniería Hidráulica y Medio Ambiente - Departament d'Enginyeria Hidràulica i Medi Ambient"

Now showing items 21-40 of 2981

A filtering algorithm for high-resolution flow traces to improve water end-use analysis

Pastor-Jabaloyes, Laura; Arregui de la Cruz, Francisco; Cobacho Jordán, Ricardo (IWA Publishing, 2018)

[EN] One of the main difficulties encountered when designing automatic tools for water end use identification is the inherent noise present in recorded flow traces. Noise is mainly caused by the inability of the monitoring ...
A filtration model applied to submerged anaerobic MBRs (SAnMBRs)

Robles Martínez, Ángel; Ruano García, María Victoria; Ribes Bertomeu, Jose; Seco Torrecillas, Aurora; FERRER, J. (Elsevier, 2013-10-01)

The aim of this study was to develop a model able to correctly reproduce the filtration process of submerged anaerobic MBRs (SAnMBRs). The proposed model was calibrated and validated in a SAnMBR demonstration plant fitted ...
A Flexible Methodology to Sectorize Water Supply Networks Based on Social Network Theory Concepts and on Multi-objective Optimization

Campbell-Gonzalez, Enrique; Izquierdo Sebastián, Joaquín; Montalvo Arango, Idel; Ilaya-Ayza, Amilkar Ernesto; Pérez García, Rafael; Tavera, Mario (IWA Publishing, 2016-01)

A novel methodology to sectorize water supply networks (WSNs) depending on a main transmission line is presented in this paper. The methodology is based on concepts derived from the social network theory and graph theory ...
A Front-Line and Cost-Effective Model for the Assessment of Service Life of Network Pipes

Ramírez-Aguilar, Roberto Xavier; López Jiménez, Petra Amparo; Torres Toro, David; Cobacho Jordán, Ricardo (MDPI AG, 2020-03-01)

[EN] In any water utility, a reliable assessment of the service life of the network pipes is a key piece within the big puzzle of assets management. This paper presents a new statistical model (basic pipes life assessment, ...
A fuzzy model for shortage planning under uncertainty due to lack of homogeneity in planned production lots

Alemany Díaz, María del Mar; Grillo Espinoza, Hanzel; Ortiz Bas, Ángel; Fuertes Miquel, Vicente Samuel (Elsevier, 2015-08-01)

Lack of homogeneity in the product (LHP) affects several sectors like horticulture, reverse logistics, furniture, ceramics and leathers, among others. Productive processes with LHP are characterized by manufacturing units ...
A high-order numerical method for sediment transport problems simulation and its comparison with laboratory experiments

Capilla Romá, Maria Teresa; Balaguer-Beser, Ángel; Nácher-Rodríguez, Beatriz; Vallés-Morán, F. J. (John Wiley & Sons, 2021-11)

[EN] This article describes a high-order well-balanced central finite volume scheme for solving the coupled Exner-shallow water equations in one dimensional channels with rectangular section and variable width. Such numerical ...
A hybrid, auto-adaptive, and rule-based multi-agent approach using evolutionary algorithms for improved searching

Izquierdo Sebastián, Joaquín; Montalvo Arango, Idel; Campbell, E.; Pérez García, Rafael (Taylor & Francis: STM, Behavioural Science and Public Health Titles, 2015-11-19)

Selecting the most appropriate heuristic for solving a specific problem is not easy, for many reasons. This article focuses on one of these reasons: traditionally, the solution search process has operated in a given manner ...
A hydro-economic modeling framework for optimal management of groundwater nitrate pollution from agriculture

Peña Haro, Salvador (Universitat Politècnica de València, 2010-04-15)

La contaminación difusa por nitratos de las aguas subterráneas, la cual es principalmente originada por la agricultura, es una creciente preocupación en casi cualquier parte del mundo. Esto ha provocado el desarrollado de ...
A hydro-economic modelling framework for optimal management of groundwater nitrate pollution from agriculture

Peña Haro, Salvador; Pulido-Velazquez, M.; Sahuquillo Herráiz, Andrés (Elsevier, 2009-06)

A hydro-economic modelling framework is developed for determining optimal management of groundwater nitrate pollution from agriculture. A holistic optimization model determines the spatial and temporal fertilizer application ...
A hydroeconomic modeling framework for optimal integrated management of forest and water

Garcia-Prats, Alberto; Campo García, Antonio Dámaso del; Pulido-Velazquez, M. (John Wiley & Sons, 2016)

[EN] Forests play a determinant role in the hydrologic cycle, with water being the most important ecosystem service they provide in semiarid regions. However, this contribution is usually neither quantified nor explicitly ...
A local global pattern matching method for subsurface stochastic inverse modeling

Li ., Liangping; Srinivasan, Sanjay; Zhou, Haiyan; Gómez Hernández, José Jaime (Elsevier, 2015-05-15)

Inverse modeling is an essential step for reliable modeling of subsurface flow and transport, which is important for groundwater resource management and aquifer remediation. Multiple-point statistics (MPS) based reservoir ...
A markov chain monte carlo method for inverse stochastic modeling and uncertainty assessment

Fu, Jianlin (Universitat Politècnica de València, 2008-05-07)

Unlike the traditional two-stage methods, a conditional and inverse-conditional simulation approach may directly generate independent, identically distributed realizations to honor both static data and state data in one ...
A mathematical approach to predict the solids concentration in anaerobic membrane bioreactos (AnMBR): Evaluation of the volatile solids solubilization

Giménez, Juan B.; Martí, Nuria; Bouzas, Alberto; FERRER, J.; Seco, Aurora (Elsevier, 2020-10-01)

[EN] Anaerobic Membrane Bioreactors (AnMBR) are gaining attention as a suitable approach for sustainable low-strength wastewater treatment, as they bring together the advantages of both anaerobic treatments and membrane ...
A Methodology for the Optimization of Flow Rate Injection to Looped Water Distribution Networks through Multiple Pumping Stations

LEÓN CELI, CHRISTIAN; Iglesias Rey, Pedro Luis; Martínez-Solano, F. Javier; Mora Meliá, Daniel (MDPI, 2016-12)

[EN] The optimal function of a water distribution network is reached when the consumer demands are satisfied using the lowest quantity of energy, maintaining the minimal pressure required at the same time. One way to achieve ...
A methodology to diagnose the effect of climate change and to identify adaptive strategies to reduce its impacts in conjunctive-use systems at basin scale

Pulido Velázquez, David; Garrote, L.; Andreu Álvarez, Joaquín; Martín-Carrasco, F. J.; Iglesias, A. (Elsevier, 2011-07-21)

A methodology to analyze impact, vulnerability and adaptation to climate change in conjunctive-use systems at basin scale is presented. Based on the value obtained for various indices under possible future scenarios (indices ...
A Model for Solving the Optimal Water Allocation Problem in River Basins with Network Flow Programming When Introducing Non-Linearities

Haro Monteagudo, David; Paredes Arquiola, Javier; Solera Solera, Abel; Andreu Álvarez, Joaquín (Springer Verlag (Germany), 2012)

[EN] The allocation of water resources between different users is a traditional problem in many river basins. The objective is to obtain the optimal resource distribution and the associated circulating flows through the ...
A model-driven decision support system for reallocation of supply to orders under uncertainty in ceramic companies

Alemany Díaz, María del Mar; Ortiz Bas, Ángel; Boza, Andres; Fuertes Miquel, Vicente Samuel (Taylor & Francis, 2015-07-06)

In ceramic companies, uncertainty in the tone and gage obtained in first quality units of the same finished good (FG) entails frequent discrepancies between planned homogeneous quantities and real ones. This fact can lead ...
A multivariate approach of changes in filamentous, nitrifying and protist communities and nitrogen removal efficiencies during ozone dosage in a full-scale wastewater treatment plant

Barbarroja-Ortiz, Paula; Zornoza-Zornoza, Andrés Miguel; Aguado García, Daniel; Borrás Falomir, Luis; Alonso Molina, José Luís (Elsevier, 2019-09)

[EN] The application of low ozone dosage to minimize the problems caused by filamentous foaming was evaluated in two bioreactors of an urban wastewater treatment plant. Filamentous and nitrifying bacteria, as well as protist ...
A new risk reduction indicator for dam safety management combining efficiency and equity principles

Serrano Lombillo, Armando José; Morales Torres, Adrián; Escuder Bueno, Ignacio; Altarejos García, Luis (Taylor & Francis, 2016)

[EN] Large dams are critical infrastructures whose failure could produce high economic and social consequences. Risk analysis has been shown to be a suitable methodology to assess these risks and to inform dam safety ...
A new strategy to maximize organic matter valorization in municipalities: combination of urban wastewater with kitchen food waste and its treatment with AnMBR technology

Moñino Amorós, Patricia; Aguado García, Daniel; Barat, Ramón; Jiménez, E.; Giménez, J.B.; Seco, A.; FERRER, J. (Elsevier, 2017)

[EN] The aim of this study was to evaluate the feasibility of treating the kitchen food waste (FW) jointly with urban wastewater (WW) in a wastewater treatment plant (WWTP) by anaerobic membrane technology (AnMBR). The ...