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Listar por palabra clave "Numerical model"

Mostrando ítems 1-20 de 60

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A Comparative Study of Three-Dimensional Hydraulic Conductivity Upscaling at the MAcro-Dispersion Experiment (MADE) site, Columbus Air Force Base, Mississippi (USA)

Li ., Liangping; Zhou ., Haiyan; Gómez-Hernández, J. Jaime (Elsevier, 2011-07-11)

Simple averaging, simple-Laplacian, Laplacian-with-skin, and non-uniform coarsening are the techniques investigated in this comparative study of three-dimensional hydraulic conductivity upscaling. The reference is a fine ...
A complete 0D thermodynamic predictive model for direct injection diesel engines

Payri González, Francisco; Olmeda, P.; Martín Díaz, Jaime; García Martínez, Antonio (Elsevier, 2011-06-01)

[EN] Ideal models provide the simplest way to reproduce internal combustion engine (ICE) cycles, but they usually do not represent with sufficient accuracy the actual behaviour of an ICE. A suitable alternative for research ...
A comprehensive mass and energy balance model of a mechanical-biological wastewater treatment plant

López Puértolas, Miguel (Universitat Politècnica de València, 2020-05-27)

[ES] El tratamiento y la purificación del agua son dos de las primeras medidas a implementar para lograr la salud de la población. En Europa, la purificación de aguas residuales urbanas es una práctica obligatoria desde ...
A conceptual numerical model to simulate hydraulic head in aquifers that are hydraulically connected to surface water bodies

Pulido Velázquez, David; Sahuquillo Herráiz, Andrés; Andreu Álvarez, Joaquín (Wiley: 12 months, 2011-07)

In this paper, we present a conceptual-numerical model that can be deduced from a calibrated finite difference groundwater-flow model, which provides a parsimonious approach to simulate and analyze hydraulic heads and ...
A fluid dynamic model for unsteady compressible flow in wall-flow diesel particulate filters

Torregrosa Huguet, Antonio José; Serrano Cruz, José Ramón; Arnau Martínez, Francisco José; Piqueras Cabrera, Pedro (Elsevier, 2011-01)

The use of particulate filters (DPF) in Diesel engines has become in recent years the standard technology for the control of soot aerosol emissions. Once emissions reduction through the management of filtration and ...
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 new simplified procedure to estimate loads on slabs and shoring during the construction of multistorey buildings

Calderón García, Pedro Antonio; Alvarado Vargas, Yezid Alexander; Adam Martínez, José Miguel (Elsevier, 2011-05)

This paper presents a new simplified procedure for estimating loads on slabs and shoring during the construction of multistorey buildings. The new procedure takes into account the actual stiffness of the shoring and for ...
An Approach to Handling Non-Gaussianity of Parameters and State Variables in Ensemble Kalman Filtering

Zhou ., Haiyan; Gómez-Hernández, J. Jaime; Hendricks Franssen, Hendrikus Johannes W; Li, Liangping (ELSEVIER SCI LTD, 2011)

[EN] The ensemble Kalman filter (EnKF) is a commonly used real-time data assimilation algorithm in various disciplines. Here, the EnKF is applied, in a hydrogeological context, to condition log-conductivity realizations ...
Analysis of the construction process of cable-stayed bridges built on temporary supports

Lozano-Galant, Jose A.; Paya-Zaforteza, I.; Xu, Dong; Turmo Coderque, José (Elsevier, 2012-02-05)

The temporary supports erection method is a fast and economical way of building cable-stayed bridges. In this method the bridge deck is first erected on a set of temporary and permanent supports and then, the stays are ...
Analysis of the Flow in a Typified USBR II Stilling Basin through a Numerical and Physical Modeling Approach

Macián Pérez, Juan Francisco; García-Bartual, Rafael; Huber, Boris; Bayón, Arnau; Vallés-Morán, F. J. (MDPI AG, 2020-01)

[EN] Adaptation of stilling basins to higher discharges than those considered for their design implies deep knowledge of the flow developed in these structures. To this end, the hydraulic jump occurring in a typified United ...
Analysis of the strain transfer in a new FBG sensor for Structural Health Monitoring

Torres Górriz, Benjamín; Paya-Zaforteza, I.; Calderón García, Pedro Antonio; Adam Martínez, José Miguel (Elsevier, 2011-02)

Structural Health Monitoring (SHM) is a topic of great interest in structural engineering due to the ageing of the built infrastructures and the growing use of innovative structural systems and construction materials. ...
Análisis de las subsidencias ocasionadas por la construcción de la Línea T2 del Metro de Valencia en el tramo Mercat - Línea T4 y su afección al Palacio de Eixarchs, situado en la C/ Eixarchs (Valencia)

Bono Mata, Inés (Universitat Politècnica de València, 2017-10-18)

[EN] The city of Valencia has a large underground network that makes urban mobility easier for citizens. The construction of the new underground line T2 was planned a long time ago. This line will run from north to south ...
Análisis del comportamiento hidráulico - sedimentológico del río Piura, tramo presa Los Ejidos sector Cordillera (Perú). Problemática actual y propuestas de solución

Córdova Elera, Yoel Esleiter (Universitat Politècnica de València, 2020-10-13)

[ES] El presente Trabajo de Fin de Máster (TFM), analiza el comportamiento hidráulico y sedimentológico del río Piura, ubicado en el departamento de Piura, Perú, tramo presa Los Ejidos a Sector Cordillera, con el objetivo ...
Análisis mediante simulación numérica del colapso repentino de una torre eólica ubicada en Pozo Lorente (Albacete)

Pérez Esteban, Francisco Javier (Universitat Politècnica de València, 2018-12-28)

[EN] Al parc eòlic "Abuela de Santa Ana" en la localitat de Pozo Lorente (Albacete), es va produir el col·lapse sobtat de un aerogenerador tipus GE Energy 1.5 als pocs messos de la seua instalación. El col·lapse es va ...
Aplicación de modelos numéricos para la estimación de la producción de biogás en el vertedero de Lorca (Murcia)

Ferrer Martí, Ramón (Universitat Politècnica de València, 2021-11-02)

[ES] La producción de biogás en vertederos de residuos sólidos urbanos (RSU) es, junto con la gestión de sus lixiviados, uno de los problemas medioambientales más relevantes. El biogás está formado principalmente por una ...
Assesment of a 4-input artificial neural network for ETo etimation through data set scanning

Martí Pérez, Pau Carles; Manzano Juarez, Juan; Royuela, Alvaro (Springer Verlag (Germany), 2011-05)

Evapotranspiration is a complex and non-linear phenomenon that depends on the interaction of several climatic parameters. As an alternative to traditional techniques, artificial neural networks (ANNs) are highly appropriate ...
Assessment of brown trout habitat suitability in the Jucar River Basin (SPAIN): Comparison of data-driven approaches with fuzzy-logic models and univariate suitability curves

Muñoz Mas, Rafael; Martinez-Capel, Francisco; Schneider, Matthias; Mouton, Ans M. (Elsevier, 2012)

The implementation of the Water Framework Directive implies the determination of an environmental flow (E-flow) in each running water body. In Spain, many of the minimum flow assessments were determined with the physical ...
Can the discharge of a hyperconcentrated flow be estimated from paleoflood evidence?

Bodoque, JM; Eguíbar Galán, Miguel Ángel; Diez-Herrero, A; Gutierrez-Perez, I; Ruiz-Villanueva, V (American Geophysical Union (AGU), 2011)

Many flood events involving water and sediments have been characterized using classic hydraulics principles, assuming the existence of critical flow and many other simplifications. In this paper, hyperconcentrated flow ...
CFD analysis of a solar air heater

Peñalver Hernando, Daniel (Universitat Politècnica de València, 2015-09-08)

This paper presents the design of different solar air heater and simulation of forced convection heat transfer and fluid flow in a horizontal and shallow wavy enclosure. Its top wall is varied with a sinusoidal function ...
Computer modeling for radiofrequency bipolar ablation inside ducts and vessels: Relation between pullback speed and impedance progress

Pérez, Juan J; Ewertowska, Elzbieta; Berjano, Enrique (John Wiley & Sons, 2020-11)

[EN] Background and Objectives Radiofrequency (RF)-induced ablation can be carried out inside ducts and vessels by simultaneously dragging a bipolar catheter while applying RF power. Our objective was to characterize the ...