Domingo, Luis R.; Sáez Cases, José Antonio; Perez, Patricia(Elsevier, 2007-04-20)
[EN] The electrophilicity index, omega, of a series of substituted ethylenes used in some relevant organic reactions has been evaluated from the ionization potential JP) and the electron affinity (EA) computed by vertical ...
Pesce, C.; Blasco-Gimenez, Ramon; Riedemann, J.; Andrade, I.; Peña, R.(Institute of Electrical and Electronics Engineers (IEEE), 2016-09)
[EN] This paper proposes a DC-DC power converter topology based on a modified Flyback Converter (FC). The aim of the proposed topology is to increase the voltage gain by connecting the inputs of N isolated FCs in parallel ...
García, José; Yepes, V.; Martí Albiñana, José Vicente(MDPI AG, 2020-04)
[EN] The counterfort retaining wall is one of the most frequent structures used in civil engineering. In this structure, optimization of cost and CO2 emissions are important. The first is relevant in the competitiveness ...
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 ...
[EN] A multilevel modular DC DC power conversion topology based on cascaded H-Bridge converters in a double II configuration is presented. The topology is intended to interconnect large power DC networks. A two level control ...
In this paper a probabilistic economic dispatch model considering thermal units (fuel generators), photovoltaic
arrays and wind energy conversion systems is proposed. Wind speed, solar radiation and power
demand are ...
[EN] Nowadays multi-criteria methods enable non-monetary aspects to be incorporated into the assessment of infrastructure sustainability. Yet evaluation of the social aspects is still neglected and the multi-criteria ...
[EN] Evidence exists for the application of lean management practices in the design process. However, there is no systematic review of this type of practice that links the design management practices to the lean construction ...
Rey Tormos, Romina María del; Alba Fernández, Jesús; Arenas, Jorge P.; Sanchis Rico, Vicente Jorge(Elsevier, 2012-07)
Polyurethane foam waste is one of the residues of the manufacturing processes in textile industry, the disposal of which is becoming a severe environmental problem. In this paper the sound absorption properties of different ...
Pavement maintenance is one of the major issues of public agencies. Insufficient investment or inefficient maintenance strategies lead to high economic expenses in the long term. Under budgetary restrictions, the optimal ...
Herrera, Rodrigo F.; Mourgues, Claudio; Alarcón, Luis F.; Pellicer, Eugenio(American Society of Civil Engineers, 2021-04)
[EN] There is a beneficial effect when integrating Building Information Modeling (BIM) with lean practices to identify and reduce waste in the construction industry. According to experts, it is possible to improve the ...
[EN] Assessing the viability of a public infrastructure includes economic, technical and environmental aspects; however, on many occasions, the social aspects are not always adequately considered. This article proposes a ...
[EN] Nowadays, sustainability assessment tends to focus on the biophysical and economic aspects of the built environment. The social aspects are generally overestimated during an infrastructure evaluation. This study ...
[EN] The rise of collaborative robots urges the consideration of them for different industrial tasks such as sanding. In this context, the purpose of this article is to demonstrate the feasibility of using collaborative ...
Fernández-Puratich, Harald; Rebolledo-Leiva, Ricardo; Hernández, Diógenes; Gómez-Lagos, Javier; Armengot-Carbó, Bruno; Oliver Villanueva, José Vicente(Elsevier, 2021-10-15)
[EN] This research analyses and proposes an optimization model for the supply of biomass to a combined heat and power (CHP) system with a supply of different biomasses at a local level under Mediterranean conditions. The ...
Rojas, María José; Herrera, Rodrigo F.; Mourgues, Claudio; Ponz-Tienda, José Luis; Alarcón, Luis F.; Pellicer, Eugenio(Hindawi Limited, 2019-06-09)
[EN] The evaluation of BIM capabilities and repeatability enables a company or project to identify its current status and how to improve continuously; this evaluation can be performed with BIM maturity models. However, ...
Renau-Morata, Begoña; Carrillo, Laura; Dominguez-Figueroa, Jose; Vicente-Carbajosa, Jesús; Molina Romero, Rosa Victoria; Nebauer, Sergio G.; Medina, Joaquín(Oxford University Press, 2020-06-26)
[EN] In terrestrial environments, water and nutrient availabilities and temperature conditions are highly variable, and especially in extreme environments limit survival, growth, and reproduction of plants. To sustain ...
Conejero, J. Alberto; Lizama, Carlos; Ródenas Escribá, Francisco de Asís(Natural Sciences Publishing, 2015-09)
[EN] We study a third-order partial differential equation in the form
$\tau u_{ttt} +\alpha u_{tt} -c^2 u_{xx} -b u_{xxt} =0, (1)$$
that corresponds to the one-dimensional version of the Moore-Gibson-Thompson equation ...
Conejero, J. Alberto; Lizama, Carlos; Murillo Arcila, Marina(Elsevier, 2017-12-01)
[EN] We give general conditions on given parameters to ensure Devaney and distributional chaos for the solution C-0-semigroup corresponding to a class of second-order partial differential equations. We also provide a ...
Iglesias Rey, P. L.; Martínez-Solano, F. J.; Mora Melia, Daniel; Martínez Solano, P. Daniel(American Society of Civil Engineers, 2016)
[EN] This paper presents a methodology for optimizing the operations of water distribution networks. The methodology combines the
use of best management practices with a pseudogenetic algorithm, and has been applied to ...