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Browsing by Subject "Mathematical model"

Now showing items 1-20 of 39

A quasi-steady state mathematical model of an integrated ground source heat pump for building space control

Corberán Salvador, José Miguel; Finn, D.P.; Montagud Montalvá, Carla Isabel; Murphy, F.T.; Edwards, K.C. (Elsevier, 2011-01)

[EN] This paper is concerned with the development of a mathematical model, capable of describing the quasisteady state performance of an integrated ground source heat pump, which is used for heating and cooling of an ...
A two-stage growth model for gilthead sea bream (Sparus aurata) based on the thermal growth coefficient

Mayer, Pablo; Estruch Fuster, Vicente Domingo; Jover Cerdá, Miguel (Elsevier, 2012-08-15)

Several authors have proposed models to describe fish growth taking the influence of temperature into account, and one of the most interesting is the "thermal unit growth coefficient" (TGC). Recent research has demonstrated ...
Analysing the Spanish smoke-free legislation of 2006: A new method to quantify its impact using a dynamic model

Guerrero Cortina, Francisco; Santonja, Francisco-José; Villanueva Micó, Rafael Jacinto (Elsevier, 2011-07)

Background: There are many models that study aspects of smoking habits: the influence of price, tax, relapse time, and the effects of prohibition. There are also studies examining the effects of the Spanish smoke-free law. ...
Análisis y propuesta de soluciones para la red de saneamiento de la pedanía Horno de Alcedo (Valencia)

Fuentes Cebolla, Jordi (2017-10-16)

This Master thesis aims to model, to analyze the running and to make recommendation for the improvement of the wastewater network of Horno de Alcedo, a town belonging to the district of Poblados del Sur, Valencia. The town ...
Análisis de sensibilidad de la caracterización del agua y de los principales parámetros del modelo en el tratamiento de agua residual urbana mediante un biorreactor anaerobio de membranas.

Navarrete Montoya, Christian Camilo (2016-07-20)

[EN] The amount of water available on the planet has decreased significantly forcing society to institute new ideologies on demand, consumption, use and reuse of water. These new ideologies must be accompanied in turn the ...
Análisis del abastecimiento de agua potable de sagunto. Modelo matemático y propuesta de mejoras

Lozano López, Juan Ismael (2015-06-05)

[EN] This document analyze the operation of drinking water supply infrastructure of Sagunto, in order to detect anomalies and look for solutions that improve the proper functioning of both downtown Sagunto, the Port of ...
Análisis y proyecto de sectorización de la red de abastecimiento de agua potable de las urbanizaciones del Plantío y la Cañada. Sector Sur.

Fabra Arbona, Laura (2016-09-07)

[EN] The main purpose of this paper is an analysis of the current operation of the drinking water network, making a characterization of existing problems and subsequent proposal of feasible improvements. To do this, a ...
Análisis y simulación del régimen hídrico en humedales costeros

Ferrando Fe-Castell, José Francisco (2015-06-15)

[EN] The conflict between the use of groundwater and surface water and wetland conservation is particularly relevant where the level of these natural ecosystems has descended considerably in recent decades , and there is ...
BIOLEACH: un modelo matemático para la evaluación conjunta de la producción de lixiviados y biogás en vertederos de RSU

Rodrigo Clavero, María Elena (2016-11-29)

[EN] Leachate and biogas production are two critical issues both on the operational and post-clausure phase of solid waste landfills. Leachate is formed by the percolation of the fluid that enters the landfill from external ...
Characterization and Modeling of Atrioventricular Conduction during Atrial Fibrillation

Martínez Climent, Batiste Andreu (2011-06-03)

La fibrilación auricular (FA) es una de las arritmias cardiacas más comunes, la cual afecta alrededor del 10% de la población de más de 70 años. En FA, los impulsos eléctricos auriculares generados por el nodo sinusal son ...
Cinética de secado de tomillo

da Rocha, Ronicely P.; Melo, Evandro de C.; Bon Corbín, José; Berbert, Pedro A.; Donzeles, Sérgio M. L.; Tabar, Jon A. (Departamento de Engenharia Agrícola - UFCG, 2012)

[EN] This work aimed to study the drying kinetics of thyme and subsequent adjustment of different mathematical models to the experimental data and to determine the effective diffusivity and the activation energy. In order ...
Comparison between the finite differences, finite volume and finite element methods for the modelling of convective drying of fruit slices

Castro, Adriana; Mayorga, Edgar; Moreno, Fabian (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] Three numerical methods, finite differences, finite volume and finite element, were compared to know their convenience in the simulation of convective drying of fruit slices. The mathematical treatment, the stability, ...
Complexity-preserving simulations among three variants of accepting networks of evolutionary processors

Bottoni ., Paolo; Labella ., Anna; Manea ., Florin; Mitrana, Víctor; Petre ., Ion; Sempere Luna, José María (Springer Verlag (Germany), 2011-03)

In this paper we consider three variants of accepting networks of evolutionary processors. It is known that two of them are equivalent to Turing machines. We propose here a direct simulation of one device by the other. ...
Contraste numérico-experimental de un modelo matemático que simula el movimiento del flujo en condiciones de aguas someras incluyendo las pérdidas de energía

Balaguer-Beser, A.; Rodríguez-Benlloch, F. J.; Nácher-Rodríguez, B.; Vallés-Morán, F. J. (Universitat Politècnica de València, 2017-08-01)

[EN] In this paper, a comparison between the results obtained in laboratory experiments and those calculated by anumerical simulation of shallow water equations in an open channel is performed, ...
Desarrollo de un modelo matemático para el diseño y la gestión de humedales artificiales subsuperficiales. Aplicación al humedal artificial subsuperficial de flujo horizontal de Carrícola (Valencia).

Fernández Gonzalvo, Miriam Inmaculada (2017-10-23)

[EN] In the last two decades, the utilization of constructed wetlands like wastewater treatment systems in small Spanish populations, with less than 2,000 inhabitants as population equivalent (PE), has spread considerably. ...
Desarrollo de una estrategia de control del Agua No Facturada en el sector norte de la red de abastecimiento de Batumi (Georgia) mediante la utilización de válvulas reductoras de presión.

Meseguer Faubell, Joan Francesc (2017-07-28)

[ES] Batumi es una ciudad situada en Georgia, la cual tiene una red de abastecimiento de agua potable nueva instalada en el 2006 y se quiere reducir las pérdidas de agua que tiene la red. Este hecho proporcionará una mejor ...
Desarrollo del modelo matemático de la red en alta de agua potable de la comarca el Camp de Morvedre (Valencia)

Alaminos Morte, Tamara (2017-09-28)

[ES] El presente Trabajo de Fin de Grado denominado Desarrollo del modelo matemático de la red en alta de agua potable de la comarca el Camp de Morvedre (Valencia) consiste en la confección de un modelo matemático a partir ...
Diseño del sistema de Agua Potable de la Parroquia El Rosario del Cantón Guano, Provincia de Chimborazo, Ecuador.

Estrada Vizuete, Henry Paúl (2019-05-13)

[ES] La parroquia El Rosario perteneciente al Cantón Guano, se encuentra ubicada en la sierra central del país, al noreste de la Provincia de Chimborazo, sobre una altura entre los 3050 y 2769 msnm. La parroquia presenta ...
epiModel: A system to build automatically systems of differential equations of compartmental type-epidemiological models

Cortés López, Juan Carlos; Sánchez-Sánchez, Almudena; Santonja, Francisco; Villanueva Micó, Rafael Jacinto (Elsevier, 2011-11)

In this paper we describe epiModel, a code developed in Mathematica that facilitates the building of systems of differential equations corresponding to type-epidemiological linear or quadratic models whose characteristics ...
Glyphosate detection with ammonium nitrate and humic acids as potential interfering substances by pulsed voltammetry technique

Martínez Gil, Pablo; Laguarda Miró, Nicolás; Soto Camino, Juan; Masot Peris, Rafael (Elsevier, 2013-06-25)

Pulsed voltammetry has been used to detect and quantify glyphosate on buffered water in presence of ammonium nitrate and humic substances. Glyphosate is the most widely used herbicide active ingredient in the world. It is ...