• Compositional data techniques for the analysis of the container traffic share in a multi-port region 

    Grifoll Colls, Manel; Ortego Martínez, María Isabel; Egozcue Rubí, Juan José (Springer, 2019-12)
    Artículo
    Acceso abierto
    The statistical techniques based on compositional data are applied to investigate the evolution of the traffic share of the container throughput in a multi-port system. Compositional vectors are those which contain relative ...
  • Seasonal forecasts of wind power generation 

    Lledó, Llorenc; Torralba, Verónica; Soret, Albert; Ramon, Jaume; Doblas-Reyes, Francisco J. (Elsevier, 2019-12)
    Artículo
    Acceso abierto
    The energy sector is highly dependent on climate variability for electricity generation, maintenance activities and demand. In recent years, a few climate services have appeared that provide tailored information for the ...
  • Development of sustainable energy indexes by the utilization of new indicators: A comparative study 

    Razmjoo, Armin; Sumper, Andreas; Davarpanah, Afshin (Elsevier Ltd, 2019-11-01)
    Artículo
    Acceso abierto
    Decision making to improve energy sustainability requires scientifically information based on sustainability. Since there are different sustainability targets and specific decision problems in this regard, hence to achieve ...
  • Increasing sustainability on the metallurgical industry by integration of membrane nanofiltration processes: acid recovery 

    López Rodríguez, Julio; Reig i Amat, Mònica; Gibert Agulló, Oriol; Cortina Pallás, José Luís (2019-11-01)
    Artículo
    Acceso restringido por política de la editorial
    The metallurgical industry generates large volumes of toxic effluents characterised, generally, by high acidity and a noticeable content of metals (Fe, Cu and Zn) and non-metals (As, Sb, Bi). The toxicity of these streams ...
  • Polysemy and brevity versus frequency in language 

    Casas Fernández, Bernardino; Hernández Fernández, Antonio; Catala Roig, Neus; Ferrer Cancho, Ramon; Baixeries i Juvillà, Jaume (Elsevier, 2019-11-01)
    Artículo
    Acceso abierto
    The pioneering research of G. K. Zipf on the relationship between word frequency and other word features led to the formulation of various linguistic laws. The most popular is Zipf’s law for word frequencies. Here we focus ...
  • Optimal feeder flow control for grid connected microgrids 

    Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Prieto Araujo, Eduardo; Sumper, Andreas; Caire, Raphael (2019-11-01)
    Artículo
    Acceso restringido por política de la editorial
    The optimal management of distributed energy resources is one of theexisting challenges for the deployment of microgrids. When microgrids op-erate under feeder flow control mode, trying to maintain a constant self-consumption, ...
  • Extreme, wintertime Saharan dust intrusion in the Iberian Peninsula: Lidar monitoring and evaluation of dust forecast models during the February 2017 event 

    Fernández, Alfonso J.; Sicard, Michäel; Costa, Maria J.; Guerrero-Rascado, Juan L.; Gómez-Amo, José L.; Molero, Francisco; Barragán, Rubén; Basart, Sara; Bortoli, Daniele; Bedoya-Velásquez, Andrés E.; Utrillas, María P.; Salvador, Pedro; Granados-Muñoz, María J.; Potes, Miguel; Ortiz-Amezcua, Pablo; Martínez-Lozano, José A.; Artíñano, Begoña; Muñoz-Porcar, Constantino; Salgado, Rui; Román, Roberto; Rocadenbosch, Francesc; Salgueiro, Vanda; Benavent-Oltra, José A.; Rodríguez-Gómez, Alejandro; Alados-Arboledas, Lucas; Comerón, Adolfo; Pujadas, Manuel (Elsevier, 2019-11-01)
    Artículo
    Acceso abierto
    An unprecedented extreme Saharan dust event was registered in winter time from 20 to 23 February 2017 over the Iberian Peninsula (IP). We report on aerosol optical properties observed under this extreme dust intrusion ...
  • Multicast routing from a set of data centers in elastic optical networks 

    Molnár, Miklós; Le, Dinh Danh; Perelló Muntan, Jordi; Solé Pareta, Josep; McArdle, Conor (2019-11)
    Artículo
    Acceso restringido por política de la editorial
    This paper introduces the Multi-Server Multicast (MSM) approach for Content Delivery Networks (CDNs) delivering services offered by a set of Data Centers (DCs). All DCs offer the same services. The network is an Elastic ...
  • Improved rare earth elements recovery from fluorescent lamp wastes applying supported liquid membranes to the leaching solutions 

    Pavón Regaña, Sandra; Fortuny Sanromá, Agustín; Coll Ausió, Mª Teresa; Sastre Requena, Ana María (2019-10-01)
    Artículo
    Acceso restringido por política de la editorial
    Due to the continuously growing demand of rare earths in advanced technologies, end-of-life fluorescent lamps may become feasible rare earth elements (REEs) raw materials, reducing thus their supply risk. Considering acid ...
  • Unemployment expectations: A socio-demographic analysis of the effect of news 

    Soric, Petar; Lolic, Ivana; Claveria González, Oscar; Monte Moreno, Enrique; Torra Porras, Salvador (2019-10-01)
    Artículo
    Acceso restringido por política de la editorial
    In this study, we evaluate the effect of news on consumer unemployment expectations for sixteen socio-demographic groups. To this end, we construct an unemployment sentiment indicator and extract news about several economic ...
  • Parallel 3-D marine controlled-source electromagnetic modelling using high-order tetrahedral Nédélec elements 

    Castillo-Reyes, Octavio; de la Puente, Josep; García-Castillo, Luis Emilio; Cela, Jose M. (Oxford University Press, 2019-10)
    Artículo
    Acceso abierto
    We present a parallel and high-order Nédélec finite element solution for the marine controlled-source electromagnetic (CSEM) forward problem in 3-D media with isotropic conductivity. Our parallel Python code is implemented ...
  • Modelling flood propagation in the service galleries of a nuclear power plant 

    Bladé i Castellet, Ernest; Sanz Ramos, Marcos; Dolz Ripollès, Josep; Expósito Pérez, Juan Manuel; Sánchez Juny, Martí (2019-10)
    Artículo
    Acceso restringido por política de la editorial
    In the context of the stress tests that have to be applied to nuclear power plants, this work presents the study of the flooding processes of the service galleries of a nuclear plant caused by a hypothetical failure of ...
  • Variational approach to relaxed topological optimization: closed form solutions for structural problems in a sequential pseudo-time framework 

    Oliver Olivella, Xavier; Yago Llamas, Daniel; Cante Terán, Juan Carlos; Lloberas Valls, Oriol (2019-10)
    Artículo
    Acceso restringido por política de la editorial
    The work explores a specific scenario for structural computational optimization based on the following elements: (a) a relaxed optimization setting considering the ersatz (bi-material) approximation, (b) a treatment based ...
  • An improved analysis of mesoscale convective systems in the western Mediterranean using weather radar 

    Rigo, Tomeu; Berenguer Ferrer, Marc; Llasat Botija, María del Carmen (2019-10)
    Artículo
    Acceso restringido por política de la editorial
    This article studies the life cycle of the well-organised mesoscale convective systems (MCSs) that affect Catalonia and surrounding regions, using a weather radar composite with sophisticated corrections and lightning data ...
  • A review study on the modeling of high-temperature solar thermal collector systems 

    Hachicha, Ahmed A.; Yousef, Bashria A.A.; Said, Zafar; Rodríguez Pérez, Ivette María (2019-09-01)
    Artículo
    Acceso restringido por política de la editorial
    Concentrated solar power technologies are gaining more attention in the last two decades in order to replace the conventional power technologies and reduce their environmental impact. Among the developed concentrating ...
  • Triangular sequences, combinatorial recurrences and linear difference equations 

    Encinas Bachiller, Andrés Marcos; Jiménez Jiménez, María José (Elsevier, 2019-09-01)
    Artículo
    Acceso abierto
    In this work we introduce the triangular double sequences of arbitrary order given by linear recurrences, that generalize some well-known recurrences that appear in enumerative combinatorics. In particular, we focussed on ...
  • Unstable state decay in non-Markovian heat baths and weak signals detection 

    Jiménez Aquino, José Inés; Sánchez Salas, Norma; Ramírez de la Piscina Millán, Laureano; Romero Bastida, M. (2019-09-01)
    Artículo
    Acceso abierto
    The statistics of the first passage and nonlinear relaxation times are used to characterize the decay process of an unstable state for an electrically charged Brownian particle embedded in non-Markovian heat baths under ...
  • Sensitivity of the KM3NeT/ARCA neutrino telescope to point-like neutrino sources 

    Aiello, S; Akrame, S.E.; Ameli, F; André, Michel; Anassontzis, E.G. (2019-09-01)
    Artículo
    Acceso abierto
    KM3NeT will be a network of deep-sea neutrino telescopes in the Mediterranean Sea. The KM3NeT/ARCA detector, to be installed at the Capo Passero site (Italy), is optimised for the detection of high-energy neutrinos of ...
  • Resistance distances in extended or contracted networks 

    Carmona Mejías, Ángeles; Encinas Bachiller, Andrés Marcos; Mitjana Riera, Margarida (Elsevier, 2019-09-01)
    Artículo
    Acceso abierto
    In this paper we introduce new effective resistances on a given network, associated with a positive value and two weights on the vertex set and investigate under which conditions they determine a distance. We prove that ...
  • Shear crack width assessment in concrete structures by 2D distributed optical fiber 

    Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Elsevier, 2019-09)
    Artículo
    Acceso restringido por política de la editorial
    This paper outlines the second part of an experimental study to show the capabilities of distributed optical fiber sensors (DOFS) in their application to the structural health monitoring (SHM) of the shear performance of ...