Recent Submissions

  • Microstructured optical fiber sensor for soil moisture measurements 

    López Aldaba, Aitor Upna; López Torres, Diego Upna; Campo-Bescós, Miguel Upna; López Rodríguez, José Javier; Yerro Lizarazu, David; Elosúa Aguado, César Upna; Arregui San Martín, Francisco Javier Upna; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna (Optical Society of America, 2018)   Contribución a congreso / Biltzarrerako ekarpena
    A discrete sensor based on a Sn0₂-FP (Fabry-Pérot) cavity is presented and characterized in real soil conditions. Results are compared, for the first time to our knowledge, with a commercial capacitive sensor and gravimetric ...
  • Grey water footprint as an indicator for diffuse nitrogen pollution: the case of Navarra, Spain 

    Martínez Aldaya, Maite; Corina I., Rodríguez; Fernández Poulussen, Álex; Merchán Elena, Daniel Upna; Beriain Apesteguía, María José Upna; Llamas, Ramón (Elsevier, 2019)   Artículo / Artikulua
    Nitrogen is an essential element for plant growth, while its application and associated pollution is a worldwide concern. Generally, diffuse source pollution and its impacts on ecosystem health are difficult to monitor and ...
  • Hydrophobic and corrosion behavior of sol-gel hybrid coatings based on the combination of TiO2 NPs and fluorinated chains for aluminum alloys protection 

    Rivero Fuente, Pedro Upna; Maeztu Redin, Juan Deyo; Berlanga Labari, Carlos Upna; Miguel, Adrián; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
    In this work, layers of a sol-gel hybrid matrix doped with metal oxide nanoparticles (TiO2 NPs) have been deposited on flat samples of AA6061-T6 aluminum alloy using the dip-coating technique, with the aim of obtaining ...
  • Functionalized electrospun fibers for the design of novel hydrophobic and anticorrosive surfaces 

    Rivero Fuente, Pedro Upna; Yurrita Silanes, David; Berlanga Labari, Carlos Upna; Palacio, José; Rodríguez Trías, Rafael Upna (MDPI, 2018)   Artículo / Artikulua  OpenAccess
    In this work, a novel coating was deposited on aluminum alloy samples by using a combination of electrospinning and chemical vapor deposition (CVD-silanization) techniques in order to create a functionalized film with an ...
  • Holographic acoustic tweezers 

    Marzo Pérez, Asier Upna; Drinkwater, Bruce W. (National Academy of Sciences, 2019)   Artículo / Artikulua  OpenAccess
    Acoustic tweezers use sound radiation forces to manipulate matter without contact. They provide unique characteristics compared with the more established optical tweezers, such as higher trapping forces per unit input power ...
  • Determinación de las curvas IDF en Igueldo-San Sebastián. Comparación de diferentes métodos 

    López Rodríguez, José Javier; Delgado Zabala, Oihane; Campo-Bescós, Miguel Upna (Universidad Politécnica de Valencia, 2018)   Artículo / Artikulua  OpenAccess
    Las curvas de intensidad-duración-frecuencia (IDF) son una herramienta fundamental en ingeniería hidrológica. Se ha partido de la serie de precipitación de 88 años registrada cada diez minutos en la estación meteorológica ...
  • Frequency domain design of a series structure of robust controllers for multi-input single-output systems 

    Gil Martínez, Montserrat; Rico Azagra, Javier; Elso Torralba, Jorge (Hindawi, 2018)   Artículo / Artikulua  OpenAccess
    The regulation of a disturbed output can be improved when several manipulated inputs are available. A popular choice in these cases is the series control scheme, characterized by (1) a sequential intervention of loops and ...
  • Using a coupled dynamic factor-random forest analysis (DFRFA) to reveal drivers of spatiotemporal heterogeneity in the semi-arid regions of southern Africa 

    Southworth, Jane; Bunting, Erin; Zhu, Likai; Ryan, Sadie J.; Herrero, Hannah V.; Waylen, Peter; Muñoz Carpena, Rafael; Campo-Bescós, Miguel Upna; Kaplan, David A. (Public Library of Science, 2018)   Artículo / Artikulua  OpenAccess
    Understanding the drivers of large-scale vegetation change is critical to managing landscapes and key to predicting how projected climate and land use changes will affect regional vegetation patterns. This study aimed to ...
  • Learning fuzzy measures for aggregation in fuzzy rule-based models 

    Saleh, Emran; Valls Aida; Moreno, Antonio Upna; Romero-Aroca, Pedro; Torra, Vicenç; Bustince Sola, Humberto Upna (Springer Verlag, 2018)   Contribución a congreso / Biltzarrerako ekarpena
    Fuzzy measures are used to express background knowledge of the information sources. In fuzzy rule-based models, the rule confidence gives an important information about the final classes and their relevance. This work ...
  • Detection of minced lamb and beef fraud using NIR spectroscopy 

    López Maestresalas, Ainara; Insausti Barrenetxea, Kizkitza Upna; Jarén Ceballos, Carmen Upna; Pérez Roncal, Claudia; Urrutia Vera, Olaia; Beriain Apesteguía, María José Upna; Arazuri Garín, Silvia Upna (Elsevier, 2019)   Artículo / Artikulua
    The aim of this work was to investigate the feasibility of near-infrared spectroscopy (NIRS), combined with chemometric techniques, to detect fraud in minced lamb and beef mixed with other types of meats. For this, 40 ...
  • Modelos causales para la implementación de herramientas de manufactura esbelta y cadena de suministro 

    García Alcaraz, Jorge Luis (2019)   Tesis doctoral / Doktoretza tesia  OpenAccess
    La globalización ha obligado a las empresas a modificar sus cadenas de suministro y técnicas aplicadas para asegurar la calidad de sus productos, ya que se actualmente se tienen sistemas de producción distribuidos ...
  • Heat pipes thermal performance for a reversible thermoelectric cooler-heat pump for a nZEB 

    Aranguren Garacochea, Patricia Upna; Díaz de Garayo, Sergio; Martínez Echeverri, Álvaro Upna; Araiz Vega, Miguel Upna; Astrain Ulibarrena, David Upna (Elsevier, 2019)   Artículo / Artikulua
    The nZEB standards reduce the energy demand of these buildings to a minimum, obtaining this little energy from renewable resources. Taking these aspect into consideration, a thermoelectric cooler-heat pump is proposed to ...
  • Modelización y desarrollo experimental de un sistema de generación termoeléctrica basado en efecto Seebeck. Aplicación a gases de escape en calderas de combustión 

    Araiz Vega, Miguel Upna (2018)   Tesis doctoral / Doktoretza tesia
    La situación energética actual y todos los problemas medioambientales, políticos y económicos asociados a ella, hacen cada vez más necesaria una optimización de los sistemas de generación eléctrica y una incorporación ...
  • Highway paving in the southwestern Amazon alters long-term trends and drivers of regional vegetation dynamics 

    Klarenberg, Geraldine; Muñoz Carpena, Rafael; Campo-Bescós, Miguel Ángel Upna; Perz, Steve G. (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
    Infrastructure development, specifically road paving, contributes socio-economic benefits to society worldwide. However, detrimental environmental effects of road paving have been documented, most notably increased ...
  • Dissolved solids and suspended sediment dynamics from five small agricultural watersheds in Navarre, Spain: a 10-year study 

    Merchán Elena, Daniel Upna; Luquin Oroz, Eduardo Adrián; Hernández García, Iker; Campo-Bescós, Miguel Upna; Giménez Díaz, Rafael Upna; Casalí Sarasíbar, Javier Upna; Valle de Lersundi, Jokin del (Elsevier, 2019)   Artículo / Artikulua
    Dissolved solids (DS) and suspended sediment (SS) loads are considered relevant environmental problems. They are related to a wide range of on-site and off-site impacts, such as soil erosion or salinization of water bodies. ...