• Electric vehicle routing, arc routing, and team orienteering problems in sustainable transportation 

      Carmo Martins, Leandro do; Tordecilla, Rafael D.; Castaneda, Juliana; Juan, Ángel A.; Faulín Fajardo, Javier Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      The increasing use of electric vehicles in road and air transportation, especially in last-mile delivery and city mobility, raises new operational challenges due to the limited capacity of electric batteries. These limitations ...
    • Electronically reconfigurable and conformal triband antenna for wireless communications systems and portable devices 

      Hussain, Musa; Ali, Esraa Mousa; Awan, Wahaj Abbas; Hussain, Niamat; Alibakhshikenari, Mohammad; Virdee, Bal S.; Falcone Lanas, Francisco Javier Upna Orcid (Public Library of Science, 2022)   Artículo / Artikulua  OpenAccess
      This paper presents the design of a triband antenna that can be electronically configured to operate at different frequencies. The proposed antenna is design to operate at sub-6GHz bands at 2.45 GHz (ISM, Wi-Fi, and ...
    • Elucidating individual magnetic contributions in bi-magnetic Fe3O4/Mn3O4 Core/Shell nanoparticles by polarized powder neutron diffraction 

      Golosovsky, Igor V.; Kibalin, Iurii A.; Gukasov, Arsen; Gómez Roca, Alejando; López Ortega, Alberto Upna Orcid; Estrader, Marta; Vasilakaki, Marianna; Trohidou, Kalliopi; Hansen, T. C.; Puente-Orench, I.; Lelièvre-Berna, E.; Nogués, Josep (Wiley, 2023)   Artículo / Artikulua  OpenAccess
      Heterogeneous bi-magnetic nanostructured systems have had a sustained interest during the last decades owing to their unique magnetic properties and the wide range of derived potential applications. However, elucidating ...
    • Enabling intelligent and interactive immersion in smart environments 

      Al-Rahamneh, Anas (2022)   Tesis doctoral / Doktoretza tesia  OpenAccess
      In recent years, the Smart City concept has grown in popularity, and a significant number of cities around the world have adopted smart city strategies. Smart and sustainable cities are an emerging urban development approach ...
    • Energy-socio-economic-environmental modelling for the EU energy and post-COVID-19 transitions 

      Cazcarro, Ignacio; García-Gusano, Diego; Iribarren, Diego; Linares, Pedro; Romero, José Carlos; Arocena Garro, Pablo Upna Orcid; Arto, Iñaki; Banacloche, Santacruz; Lechón, Yolanda; Miguel, Luis Javier; Zafrilla, Jorge; López, Luis Antonio; Langarita, Raquel; Cadarso, María Angeles (Elsevier, 2022)   Artículo / Artikulua  OpenAccess
      Relevant energy questions have arisen because of the COVID-19 pandemic. The pandemic shock leads to emissions' reductions consistent with the rates of decrease required to achieve the Paris Agreement goals. Those unforeseen ...
    • Engineers and scientists as commercial agents of the Spanish nuclear programme 

      Torre Campo, Joseba de la Upna Orcid; Rubio Varas, María del Mar Upna Orcid; Sanz Lafuente, María Gloria Upna Orcid (Palgrave Macmillan, 2018)   Capítulo de libro / Liburuen kapitulua  OpenAccess
      We aim at analysing the role of engineers and scientists as agents of economic modernization in Spain, which at the time was an underdeveloped economy ruled by an authoritarian regime.
    • Enhanced optical fiber lasers and optical fiber sensors assisted by micro-drilled optical fibers 

      Pérez Herrera, Rosa Ana Upna Orcid; Bravo Acha, Mikel Upna Orcid; Roldán Varona, Pablo; Leandro González, Daniel Upna Orcid; Rodríguez Cobo, Luis; López Higuera, José Miguel; López-Amo Sáinz, Manuel Upna Orcid (Optica, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Enhanced OFS assisted by micro-drilled optical fibers acting as mirrors are demonstrated. Strain sensitivity improved more than one order of magnitude in comparison with FBG sensors using a 50 μm-waist micro-drilled taper ...
    • Enhanced wireless channel estimation through parametric optimization of hybrid ray launching-collaborative filtering technique 

      Casino, Fran; López Iturri, Peio Upna Orcid; Aguirre Gallego, Erik Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid; Solanas, Agusti (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      In this paper, an enhancement of a hybrid simulation technique based on combining collaborative filtering with deterministic 3D ray launching algorithm is proposed. Our approach implements a new methodology of data depuration ...
    • Enhancing the infrared and visible emission properties of calcium silicate hydrate for radiative cooling using metamaterials 

      Lezaun Capdevila, Carlos; Dolado, J. S.; Torres García, Alicia E. Upna Orcid; Pérez Escudero, José Manuel Upna Orcid; Liberal Olleta, Íñigo Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Two periodic structures composed of metal cylinders with different orientations are used to improve the solar reflection of calcium silicate hydrate (CSH) while maintaining its atmospheric emission. Interesting effects ...
    • Enhancing the quality of amplitude patterns using time-multiplexed virtual acoustic fields 

      Elizondo Martínez, Sonia; Ezcurdia Aguirre, Íñigo Fermín Upna Orcid; Goñi Carnicero, Jaime Upna; Galar Idoate, Mikel Upna Orcid; Marzo Pérez, Asier Upna Orcid (American Institute of Physics, 2023)   Artículo / Artikulua  OpenAccess
      Ultrasonic fields can push and levitate particles, heat up materials, induce contactless tactile stimuli, or affect the blood-brain barrier. Current phased-arrays can create dynamic amplitude patterns, but their quality ...
    • ENSO and NAO affect long-term leaf litter dynamics and stoichiometry of Scots pine and European beech mixedwoods 

      González de Andrés, Ester Upna Orcid; Blanco Vaca, Juan Antonio Upna Orcid; Imbert Rodríguez, Bosco Upna Orcid; Guan, Biing T.; Lo, Yueh-Hsin Upna Orcid; Castillo Martínez, Federico Upna Orcid (Wiley, 2019)   Artículo / Artikulua  OpenAccess
      Litterfall dynamics (production, seasonality and nutrient composition) are key factors influencing nutrient cycling. Leaf litter characteristics are modified by species composition, site conditions and water availability. ...
    • Epigenetic clock indicates accelerated aging in glial cells of progressive multiple sclerosis patients 

      Kular, Lara; Klose, Dennis; Urdánoz Casado, Amaya Upna Orcid; Ewing, Ewoud; Planell, Nuria; Gómez-Cabrero, David; Needhamsen, Maria; Jagodic, Maja (Frontiers Media, 2022)   Artículo / Artikulua  OpenAccess
      Background: Multiple sclerosis (MS) is a chronic inflammatory neurodegenerative disease of the central nervous system (CNS) characterized by irreversible disability at later progressive stages. A growing body of ...
    • Equivalency of four research-grade movement sensors to assess movement behaviors and its implications for population surveillance 

      Migueles, Jairo H.; Molina García, Pablo; Torres-López, Lucía V.; Cadenas-Sánchez, Cristina Upna Orcid; Rowlands, Alex V.; Ebner-Priemer, Ulrich W.; Koch, Elena D.; Reif, Andreas; Ortega, Francisco B. (Springer Nature, 2022)   Artículo / Artikulua  OpenAccess
      The benefits of physical activity (PA) and sleep for health, accurate and objective population-based surveillance is important. Monitor-based surveillance has potential, but the main challenge is the need for replicable ...
    • Estrategias avanzadas de gestión energética basadas en predicción para microrredes electrotérmicas 

      Pascual Miqueleiz, Julio María Upna Orcid (2016)   Tesis doctoral / Doktoretza tesia  OpenAccess
      El primer objetivo concreto de la tesis consiste en estudiar los perfiles de potencia de los diferentes elementos de la microrred y su interacción, ya sea directa, en el caso de flujos de potencia confluyentes, o indirecta, ...
    • ETOMIC advanced network monitoring system for future Internet experimentation 

      Csabai, István; Fekete, Attila; Hága, Péter; Hullár, Béla; Kurucz, Gábor; Laki, Sándor; Mátray, Péter; Stéger, József; Vattay, Gábor; Espina Antolín, Félix Upna; García-Jiménez, Santiago Upna Orcid; Izal Azcárate, Mikel Upna Orcid; Magaña Lizarrondo, Eduardo Upna Orcid; Morató Osés, Daniel Upna Orcid; Aracil Rico, Javier Upna; Gómez, Francisco; González, Iván; López Buedo, Sergio; Moreno, Víctor; Ramos, Javier (Springer-Verlag Berlin Heidelberg, 2010)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      ETOMIC is a network traffic measurement platform with high precision GPS-synchronized monitoring nodes. The infrastructure is publicly available to the network research community, supporting advanced experimental ...
    • Evaluation of the impact of changing from rainfed to irrigated agriculture in a mediterranean watershed in Spain 

      Oduor, Brian Omondi; Campo-Bescós, Miguel Upna Orcid; Lana Renault, Noemí; Alfaro Echarri, Alberto; Casalí Sarasíbar, Javier (MDPI, 2023)   Artículo / Artikulua  OpenAccess
      The conversion of cultivated areas from rainfed to irrigated agriculture alters the watershed’s hydrology and could affect the water quality and quantity. This study examined how streamflow, nitrate load, and nitrate ...
    • Experimental assessment of cycling ageing of lithium-ion second-life batteries from electric vehicles 

      Braco Sola, Elisa Upna; San Martín Biurrun, Idoia Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      The reutilization of batteries from electric vehicles allows to benefit from their remaining energy capacity and to increase their lifespan. The applications considered for the second life of these batteries are less ...
    • Experimental assessment of first- and second-life electric vehicle batteries: performance, capacity dispersion, and aging 

      Braco Sola, Elisa Upna; San Martín Biurrun, Idoia Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      Nowadays, the reuse of electric vehicle batteries is considered to be a feasible alternative to recycling, as it allows them to benefit from their remaining energy capacity and to enlarge their lifetime. Stationary ...
    • Experimental investigation of the particle oscillation instability in a single-axis acoustic levitator 

      Brizzotti Andrade, Marco Aurélio; Polychronopoulos, Spyros; Memoli, Gianluca; Marzo Pérez, Asier Upna Orcid (AIP Publishing, 2019)   Artículo / Artikulua  OpenAccess
      Single-axis acoustic levitators are employed in biomedicine, chemistry and physics experiments due to their ability to trap in mid-air objects of a wide range of materials and sizes. Although this type of levitator has ...
    • Exploring the potential of the dynamic hysteresis loops via high field, high frequency and temperature adjustable AC magnetometer for magnetic hyperthermia characterization 

      Rodrigo, Irati; Castellanos Rubio, Idoia; Garayo Urabayen, Eneko Upna Orcid; Arriortua, Oihane K.; Insausti, Maite (Taylor & Francis, 2020)   Artículo / Artikulua  OpenAccess
      Aim: The Specific Absorption Rate (SAR) is the key parameter to optimize the effectiveness of magnetic nanoparticles in magnetic hyperthermia. AC magnetometry arises as a powerful technique to quantify the SAR by computing ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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