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    • Calculation of intercepted photosynthetically active radiation (IPAR) for traditional crops in Castilla y León, Spain 

      Garrachón-Gómez, Elena; García Ruiz, Ignacio Upna Orcid; García-Rodríguez, Ana; García-Rodríguez, Sol; Alonso-Tristán, Cristina (Universidad Carlos III, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Agriculture is one of the most important economic activities in the Castilla y León region (Spain), approximately one-third of the land area is destined for this use. The role of agriculture in rural areas is essential ...

    • Comparison of digital terrain models obtained with LiDAR and photogrammetry 

      Martínez de Aguirre Escobar, Alejandro Upna Orcid; García Morales, Víctor; Álvarez-Mozos, Jesús Upna Orcid (Springer, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Airborne LiDAR sensors capture three-dimensional information of the Earth, useful for obtaining high accuracy Digital Terrain Models (DTM). The Spanish National Plan for Aerial Orthophotography (PNOA) is an initiative of ...

    • Coupling in multilayer devices 

      Jarauta Ayensa, Eduardo Upna; Falcone Lanas, Francisco Javier Upna Orcid (2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Novel design for devices in multilayer stacked is proposed. Split Ring resonators and Complementary Split Ring resonators are used, in microstrip or dual stripline-microstrip configuration to build different devices. A ...

    • Crop type mapping based on Sentinel-1 backscatter time series 

      Arias Cuenca, María Upna Orcid; Campo-Bescós, Miguel Upna Orcid; Álvarez-Mozos, Jesús Upna Orcid (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The high revisit time of Sentinel-1 (S1) observations enables the design of crop type mapping approaches exploiting the backscatter time series observed for the different crops. The objective of this study is to propose a ...

    • Development of a water flow and velocity optical fiber sensor for field testing 

      Rodríguez Rodríguez, Armando; Urroz Unzueta, José Carlos Upna Orcid; Diéguez Elizondo, Pedro Upna Orcid; Bravo Acha, Mikel Upna Orcid; López-Amo Sáinz, Manuel Upna Orcid; López Rodríguez, José Javier Upna Orcid (Optica Publishing Group, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A water flow and velocity fiber optic sensor system was developed and tested. The sensing head was especially developed and ruggedized to measure velocities at different depths, in order to calculate the discharge in channels.

    • Diseño de un mecanismo de propulsión para bicicleta capaz de almacenar y descargar energía mecánica producida por el usuario 

      Villanueva Roldán, Pedro Upna Orcid; Corral Bobadilla, Marina; Lostado Lorza, Rubén; Illera Cueva, M.; Bona, J (AEIPRO, 2013)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      La energía eléctrica todavía proviene en su mayor parte de combustiones fósiles y soluciones no ecológicas. En este artículo se describe una alternativa a la bicicleta eléctrica. Se muestra el proceso de diseño de un ...

    • Electrospinning technique as a powerful tool for the design of superhydrophobic surfaces 

      Rivero Fuente, Pedro J. Upna Orcid; Vicente Gómara, Adrián Upna Orcid; Rodríguez Trías, Rafael Upna Orcid (IntechOpen, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The development of surface engineering techniques to tune-up the composition, structure, and function of materials surfaces is a permanent challenge for the scientific community. In this chapter, the electrospinning ...

    • Estimation of the solar thermal power generation potential in Pamplona (northern Spain) 

      García Ruiz, Ignacio Upna Orcid; Prieto Cobo, Eduardo Upna Orcid; Torres Escribano, José Luis Upna Orcid (Universidad Carlos III, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, an analysis of the potential of the city of Pamplona to produce solar thermal energy was carried out, according to the solar radiation received. As a result, for each residential, industrial, or service ...

    • Evaluación comparativa de 19 modelos de estimación de irradiancia difusa sobre planos inclinados dependiendo del tipo de cielo estándar ISO/CIE 

      García Ruiz, Ignacio Upna Orcid; Torres Escribano, José Luis Upna Orcid; Blas Corral, María Ángeles de Upna Orcid; Sáenz Gamasa, Carlos Upna Orcid; Hernández Salueña, Begoña; Illanes, R. (LNEG, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      En este trabajo se han evaluado 19 modelos de estimación de irradiancia difusa sobre el plano inclinado, que incluyen tanto modelos isotrópicos o pseudoisotrópicos como modelos anisotrópicos. Dicha evaluación se ha llevado ...

    • Evaluation of two procedures for selecting the CIE standard sky type using high dynamic range images 

      García Ruiz, Ignacio Upna Orcid; Blas Corral, María Ángeles de Upna Orcid; Torres Escribano, José Luis Upna Orcid; Hernández Salueña, Begoña Upna Orcid; Sáenz Gamasa, Carlos Upna Orcid; Ormazábal Pagola, Mikel Upna (International Solar Energy Society, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The characterization of sky conditions according to the CIE Standard General Sky classification requires knowledge of diffuse luminance angular distribution in the sky vault. This variable is usually measured by sky scanners. ...

    • Experimental development of a novel thermoelectric generator without moving parts to harness shallow hot dry rock fields 

      Alegría Cía, Patricia; Rodríguez García, Antonio Upna Orcid; Catalán Ros, Leyre Upna Orcid; Astrain Ulibarrena, David Upna Orcid; Araiz Vega, Miguel Upna Orcid (2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Nowadays, geothermal energy in shallow hot dry rocks is not exploited enough due to the high economic and environmental impact as well as the lack of scalability of the existing technologies. Here, thermoelectricity has a ...

    • Experimental study of a multistage thermoelectric heat pump using different internal heat exchangers 

      Erro Iturralde, Irantzu; Aranguren Garacochea, Patricia Upna Orcid; Astrain Ulibarrena, David Upna Orcid (2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The current need to carry out an energy transition towards a 100 % renewable horizon places the energy storage as the key. Thermal energy storage has the potential to be an optimal technology. Nowadays electrical resistors ...

    • Geothermal thermoelectric generator for Timanfaya National Park 

      Catalán Ros, Leyre Upna Orcid; Astrain Ulibarrena, David Upna Orcid; Aranguren Garacochea, Patricia Upna Orcid; Araiz Vega, Miguel Upna Orcid (2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Despite being one of the largest renewable sources, geothermal energy is not widely utilized for electricity generation. In the case of shallow Hot Dry Rock (HDR) fields, thermoelectric generators can entail a sustainable ...

    • Imágenes hiperespectrales para el estudio de la respuesta a la deficiencia de nitrógeno de distintos cultivares de patata 

      López Maestresalas, Ainara Upna Orcid; Jarén Ceballos, Carmen Upna Orcid; Ruiz de Galarreta, José Ignacio Upna; Álvarez Morezuelas, Alba; Barandalla, Leire; Arazuri Garín, Silvia Upna Orcid (Sociedad Española de Ciencias Hortícolas, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      El cambio climático es uno de los mayores retos de la agricultura moderna. El aumento del rendimiento de los cultivos en el futuro sólo será posible si pueden hacer frente a las consecuencias del cambio climático causado ...

    • Initiative to increment the number of women in STEM degrees: women, science and technology chair of the Public University of Navarre 

      Aranguren Garacochea, Patricia Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Catalán Ros, Leyre Upna Orcid; Martínez Ramírez, Alicia Upna Orcid; Jurío Munárriz, Aránzazu Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Pérez Artieda, Miren Gurutze Upna Orcid; Gómez Fernández, Marisol Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The Public University of Navarre joined with Navarre Government has created the Women, Science and Technology Chair. This chair arises due to the plummeting tendency of the percentage of women in STEM degrees with the aim ...

    • Inter-comparison of atmospheric correction methods on Sentinel-2 images applied to croplands 

      Sola Torralba, Ion Upna Orcid; Álvarez-Mozos, Jesús Upna Orcid; González de Audícana Amenábar, María Upna Orcid (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Atmospheric correction of high resolution satellite scenery is a necessary preprocessing step for applications where bottom of atmosphere (BOA) reflectances are needed. The selection of the best atmospheric correction ...

    • Investigation of direct contact membrane distillation coupling with a concentrated photovoltaic solar system 

      Krnac, Andrew; Araiz Vega, Miguel Upna Orcid; Rana, Sohel; Velardo, Jason; Date, Abhijit (Elsevier, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The scarcity of fresh water amongst a growing population is an impending global issue, which must be addressed by utilizing renewable energy sources. A Concentrated Photovoltaic (CPV) and Direct Contact Membrane Distillation ...

    • 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 Orcid (Springer Verlag, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      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 ...

    • Mechanical sensitivity analysis of strain gauge configurations in the main shaft of wind turbines 

      Bacaicoa Díaz, Julen Upna Orcid; Iriarte Goñi, Xabier Upna Orcid; Aginaga García, Jokin Upna Orcid; Plaza Puértolas, Aitor Upna Orcid (IOP Publishing, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Wind turbines are reaching their remaining useful life, thus it is important to guarantee the well status of its components. A common way to check the status is to measure the loads on the Low Speed Shaft with strain gauges, ...

    • Microstructured optical fiber sensor for soil moisture measurements 

      López Aldaba, Aitor Upna; López Torres, Diego Upna Orcid; Campo-Bescós, Miguel Upna Orcid; López Rodríguez, José Javier Upna Orcid; Yerro Lizarazu, David; Elosúa Aguado, César Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Auguste, Jean-Louis; Jamier, Raphael; Roy, Philippe; López-Amo Sáinz, Manuel Upna Orcid (Optical Society of America, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      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 ...
      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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