Now showing items 1-17 of 17

  • 3D metallo-dielectric structures combining electrochemical and electroplating techniques 

    Hernández Díaz, David; Lange, D.; Todorov Trifonov, Trifon; Garin Escriva, Moises; García Molina, Francisco Miguel; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2010-06)
    Article
    Restricted access - publisher's policy
    Three-dimensional (3D) periodic nickel micro-structures with a periodicity of 4 μm and high number of structural periods were fabricated by electrodeposition. Macroporous silicon, consisting of periodic arrays of sine-wave ...
  • Agustin de Betancourt's telegraph: study and virtual reconstruction 

    Villar Ribera, Ricardo Alberto; Hernández Abad, Francisco; Rojas Sola, José Ignacio; Hernández Díaz, David (2011-06)
    Article
    Open Access
    Es presenta una revisió històrica del telègraf d'Agustin de Betancourt i se n'analitzen les seves característiques tècniques. Es presenten de manera analítica, numèrica i gràfica algunes de les declaracions fetes sobre el ...
  • Blackbody behaviour from spiked macroporous silicon photonic crystals 

    Vega Bru, Didac; Todorov Trifonov, Trifon; Hernández Díaz, David; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2011)
    Conference lecture
    Restricted access - publisher's policy
    Photonic Crystals (PhC) are structured materials, which show very attractive optical properties. In this report, we study and discuss the reflection and emission characteristics of a “black face” Macro-porous Silicon (MpSi) ...
  • Catalytic membrane reactors based on macroporous silicon for hydrogen production 

    Vega Bru, Didac; Hernández Díaz, David; López, E.; Jiménez, Nuria; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón; Llorca Piqué, Jordi (2010)
    Conference report
    Open Access
    The typology of using hydrogen as an energy carrier and its implementation in portable fuel cells has motivated a considerable research interest in the development of new efficient hydrogen production technologies. Hydrogen ...
  • Dibujos anaglíficos: su optimización y aplicación a la enseñanza técnica universitaria 

    Fernández Sora, Alberto; Serrano-Tierz, Ana; Rojas Sola, José Ignacio; Hernández Díaz, David (2011-06)
    Article
    Restricted access - publisher's policy
    La presente investigación aplica el procedimiento anaglífico a partir de los conocimientos que se disponen sobre la visión estereoscópica y los dibujos anaglíficos, con la intención de que desaparezca la dificultad que ...
  • Diseño gráfico mediante tratamiento de listas numéricas y su aplicación al diseño textil 

    Hernández Abad, Francisco; Ochoa Vives, Manuel; Hernández Abad, Vicente; Font Andreu, Jorge; Hernández Díaz, David; López Martínez, Joan Antoni; Villar Ribera, Ricardo Alberto (UNIVERSIDAD DE SANTIAGO DE COMPOSTELA, 2009)
    Conference report
    Open Access
    De todos es conocida la fuerte relación existente entre el diseño, la geometría y las matemáticas, pero hay disciplinas en las que esta realidad se hace mucho más evidente. Una de estas disciplinas es la de Diseño Textil. ...
  • Docencia de cinemática con el simulador de mecanismos ATiCA4b 

    López Martínez, Joan Antoni; Font Andreu, Jorge; Hernández Abad, Francisco; Hernández Díaz, David (2010)
    Conference lecture
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    Se presenta un ejemplo de las posibilidades que tenemos los docentes a la hora de generar material didáctico para nuestros alumnos y alumnas: el simulador ATiCA4b, (Aplicación Trazadora e Interactiva de Curvas de Acoplador ...
  • Educational software to learn the essentials of engineering graphics 

    Hernández Abad, Francisco; Rojas Sola, José Ignacio; Hernández Abad, Vicente; Ochoa Vives, Manuel; Font Andreu, Jorge; Hernández Díaz, David; Villar Ribera, Ricardo Alberto (John Wiley & Sons, 2010)
    Article
    Open Access
    This paper presents a novel educational software package which develops an Interactive Didactic Application (IDA) generated in the Polytechnic University of Catalonia (UPC), and which contains the essentials of Engineering ...
  • Impact properties and water uptake behavior of old newspaper recycled fibers-reinforced polypropylene composites 

    Hernández Díaz, David; Villar Ribera, Ricardo Alberto; Espinach, Francesc Xavier; Julian, Fernando; Hernández Abad, Vicente; Delgado Aguilar, Marc (Multidisciplinary Digital Publishing Institute (MDPI), 2020-02-28)
    Article
    Open Access
    Natural fiber-reinforced thermoplastic composites can be an alternative to mineral fiber-based composites, especially when economic and environment concerns are included under the material selection criteria. In recent ...
  • Interactive educational software of textile design 

    Hernández Abad, Francisco; Rojas Sola, José Ignacio; Hernández Abad, Vicente; Ochoa Vives, Manuel; Font Andreu, Jorge; Hernández Díaz, David; Villar Ribera, Ricardo Alberto (John Wiley & Sons, 2012-03)
    Article
    Restricted access - publisher's policy
    This article presents a novel educational software package which develops an Interactive Didactic Application (IDA) created by the Polytechnic University of Catalonia (UPC), and which contains the essentials of textile ...
  • Interactive educational software of textile desing 

    Hernández Abad, Francisco; Rojas Sola, José Ignacio; Hernández Abad, Vicente; Ochoa Vives, Manuel; Font Andreu, Jorge; Hernández Díaz, David; Villar Ribera, Ricardo Alberto (John Wiley & Sons, 2010)
    Article
    Open Access
    This paper presents a novel educational software package which develops an Interactive Didactic Application (IDA) created in the Polytechnic University of Catalonia (UPC), and which contains the essentials of Textile ...
  • Macroporous silicon : a next generation catalytic monolith for ethanol steam reforming 

    Vega Bru, Didac; Hernández Díaz, David; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón; López, E.; Jiménez, Nuria; Llorca Piqué, Jordi (Publicacions de la Universitat de València (PUV), 2011)
    Conference report
    Restricted access - publisher's policy
    Macroporous silicon membranes, consisting of straight parallel pores with a diameter of 3.3μm and depth/width ratio >60, are used as microreactors for high efficiency hydrogen generation via steam reforming of ethanol. The ...
  • Recerca i tecnologia en enginyeria gràfica i disseny a la Universitat Politècnica de Catalunya 

    García Carrillo, Àgueda; Ramos Cabal, Alba; Datas Medina, Alejandro; Sureda Carbonell, Bàrbara; Faura López de Haro, Bernat; del Cañizo Nadal, Carlos; Valls Vidal, Cristina; Hernández Díaz, David; Mestres Domenech, Francesc; Bermúdez Rodríguez, Francisco; Hernández Abad, Francisco; Peña Andrés, Javier; Ivern Cacho, Jordi; Lapaz Castillo, José Luís; Ibáñez García, José María; Roncero Vivero, María Blanca; López Membrilla, Manuel; Alcaraz Sendra, Olga; Cusola Aumedes, Oriol; Rojas, Orlando J.; Farrerons Vidal, Óscar; Villar Ribera, Ricardo Alberto; Balta Salvador, Roso; Castro de Losada, Rubén de; Hernández Abad, Vicente (OmniaScience, 2020-03-02)
    Book
    Open Access
    Els temps canvien cada vegada més ràpidament, i a la universitat això encara es nota més. L’històric departament d‘Expressió Gràfica a l’Enginyeria (EGE) de la Universitat Politècnica de Catalunya, garant d’una docència ...
  • Template fabrication of 3D metallic microstructures by electrochemical etching and electroplanting 

    Hernández Díaz, David; Lange, Diego; Todorov Trifonov, Trifon; Garin Escriva, Moises; García Molina, Francisco Miguel; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2010)
    Conference report
    Open Access
    In this work, we show that macroporous silicon consisting of periodic arrays of etched pores is a feasible alternative for synthesis of 2D and 3d metallic microstructures due to its flexibility in the definition of complex ...
  • Topography of the interfacial shear strength and the mean intrinsic tensile strength of hemp fibers as a reinforcement of polypropylene 

    Hernández Díaz, David; Villar Ribera, Ricardo Alberto; Julian, Fernando; Tarrés Farré, Joaquim Agustí; Espinach, Francesc Xavier; Delgado Aguilar, Marc (Multidisciplinary Digital Publishing Institute (MDPI), 2020-02-20)
    Article
    Open Access
    The strength of the interphase between the reinforcements and the matrix has a major role in the mechanical properties of natural ¿ber reinforced polyole¿n composites. The creation of strong interphases is hindered by the ...
  • Tuning the emissivity of 3D macroporous silicon in the mid-infrared 

    Hernández Díaz, David; Vega Bru, Didac; Garin Escriva, Moises; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2010)
    Conference report
    Open Access
    Tailoring the thermal emission of a particular material by using periodic micro-structures has attracted great interest for its potential applications in heating and lighting systems or thermophotovoltaics. […] Metallic ...
  • Una revisión histórica: desde el dibujo en ingeniería hacia la ingeniería del diseño 

    Rojas Sola, José Ignacio; Fernández Sora, Alberto; Serrano-Tierz, Ana; Hernández Díaz, David (2011-06)
    Article
    Restricted access - publisher's policy
    Investigació històrica sobre l'evolució dels avenços en geometria i particularment en el dibuix tècnic com a dibuix en l'enginyeria. Es realitza una revisió per etapes que inclou el món Antic, l'Edat Mitjana, el Renaixement, ...