Ara es mostren els items 37145-37164 de 86022

  • Experimental study of lateral pass width in conventional and vibrations-assisted ball burnishing 

    Gómez Gras, David; Travieso Rodriguez, Jose Antonio; Jerez Mesa, Ramón; Llumà Fuentes, Jordi; Gomis de la Calle, Bernat (2016-02-20)
    Article
    Accés obert
    Burnishing is a mechanical finishing operation performed on workpieces to enhance their surface quality through plastic deformation. One of the main issues to understand the overall process is the behavior of the elastoplastic ...
  • Experimental study of mass flow and apparent density in powder metallurgy die filling 

    Riera Colom, María Dolores; Istúriz, Álvaro; Prado Pozuelo, José Manuel (European Powder Metallurgy, 2005)
    Text en actes de congrés
    Accés obert
    Die filling is the first step in the process of powder compaction. The density distribution after die filling on the powder properties and the method of filling. In this work the authors study the effects of powders ...
  • Experimental study of mobility and kinetic characterization of trace elements in contaminated sediments from a river basin in Northern Peru 

    Yacoub López, Cristina; Miralles Esteban, Núria; Valderrama Angel, César Alberto (2015-04-03)
    Article
    Accés obert
    In the Jequetepeque basin (Peru), gold extraction activity has been performed in the last decades, leading to a release of metals and metalloids into the environment. Sediment samples were taken in the vicinity of two mines ...
  • Experimental study of recycled asphalt mixtures with high percentages of reclaimed asphalt pavement (RAP) 

    Valdés Vidal, Gonzalo A.; Pérez Jiménez, Félix Edmundo; Miró Recasens, José Rodrigo; Martínez Reguero, Adriana Haydée (2010-01-10)
    Text en actes de congrés
    Accés obert
    This paper presents an experimental study to characterize the mechanical behaviour of bituminous mixtures containing high rates of RAP. Two semi-dense mixtures of 12 and 20 mm maximum aggregate size and containing 40 and ...
  • Experimental study of recycled asphalt mixtures with high percentages of reclaimed asphalt pavement (RAP) 

    Valdés Vidal, Gonzalo A.; Pérez Jiménez, Félix Edmundo; Miró Recasens, José Rodrigo; Martínez Reguero, Adriana Haydée; Botella Nieto, Ramón (2011-03)
    Article
    Accés obert
    This paper presents an experimental study to characterize the mechanical behaviour of bituminous mixtures containing high rates of reclaimed asphalt pavement (RAP). Two semidense mixtures of 12 and 20 mm maximum aggregate ...
  • Experimental study of sediment fluxes on Barcelona's nearshore 

    Armengou Gallardo, Carla (Universitat Politècnica de Catalunya, 2011-10-20)
    Tesina
    Accés obert
    The presence of suspended sediment in marine waters has several impacts, such as a degradation of the coastal ecosystem, pollution or a damaging effect on the tourism-oriented economies. FIELD_AC is a European project ...
  • Experimental study of the 91Zr(n, gamma ) reaction up to 26 keV 

    Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Poch Parés, Agustí; Pretel Sánchez, Carme (2008-10)
    Article
    Accés restringit per política de l'editorial
    The neutron capture cross sections of the Zr isotopes are relevant to studies in nuclear structure, nuclear astrophysics, and nuclear technology. The valence neutron of 91Zr with respect to the neutron magic nucleus 90Zr ...
  • Experimental Study of the Egyptian blue degradation by the copper chloride cancer 

    Ibrahim Abadir, Marina (Universitat Politècnica de Catalunya, 2014-06)
    Treball Final de Grau
    Accés obert
    Egyptian blue, which was the first synthetic pigment to be used in antiquity, consists of crystals of calcium-copper tetrasilicate. Based on previous investigations and literature synthesis recipes, different experiments ...
  • Experimental study of the emissivity of flames resulting from the combustion of forest fuels 

    Costafreda, Alba; Pastor Ferrer, Elsa; Pérez, Yolanda; Planas Cuchi, Eulàlia (2009-06)
    Article
    Accés restringit per política de l'editorial
    Heat transfer by radiation is taken into account in most models that predict the propagation of forest fires. This heat transfer mechanism is normally formulated according to the Stefan–Boltzmann law in terms of flame ...
  • Experimental study of the influence of an electric field on the shape of a droplet 

    Romero Herreros, Núria (Universitat Politècnica de Catalunya / Université Libre de Bruxelles, 2014)
    Projecte Final de Màster Oficial
    Accés obert
    The electrowetting effect has emerged as an important research topic in recent years. Manipulation of droplets by electric fields has been extensively studied employing different setups, the most common being ...
  • Experimental study of the internal flow structures inside a fluidic oscillator 

    Bobusch, Bernhard C.; Woszidlo, René; Bergadà Granyó, Josep Maria; Nayeri, C. Navid; Paschereit, Christian Oliver (2013-06-15)
    Article
    Accés restringit per política de l'editorial
    The internal flow characteristics of a fluidic oscillator were investigated experimentally. Particle image velocimetry and time-resolved pressure measurements were employed in water to visualize and quantify the internal ...
  • Experimental study of the production of bioethanol from wheat and corn fermentation 

    Anaya Santiago, Miguel (Universitat Politècnica de Catalunya / University of Manitoba, 2008)
    Projecte/Treball Final de Carrera
    Accés restringit per acord de confidencialitat
    The project consists on the experimental study of the ethanol fermentation from wheat and corn. The purpose of this project is to analyse the cell growth of the yeast Sac-charomices Cerevisiae, which is used to ferment ...
  • Experimental study of the propagation of acoustic waves by means of a Laser Doppler Vibrometer 

    Argelagos Palau, Ana Maria (Universitat Politècnica de Catalunya, 2014-05-08)
    Projecte Final de Màster Oficial
    Accés obert
    Propellant storage in space mi ssions could be more efficient with the ability to control the bubbles within the storage tanks. One of the effective options is to control bubbles using acoustic fields. The following ...
  • Experimental study of the stability of pedestrians exposed to urban pluvial flooding 

    Martínez Gomariz, Eduardo; Gómez Valentín, Manuel; Russo, Beniamino (2016-06)
    Article
    Accés restringit per política de l'editorial
    Populations in urban environments are extremely mobile throughout the day and in various weather conditions; accounting for this pedestrian mobility and security becomes high importance. Research into the security and ...
  • Experimental study of water droplet collisions in low gravity 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2010)
    Text en actes de congrés
    Accés obert
    An experimental setup for the study of droplet collisions in a drop tower is presented.
  • Experimental study of XRD, FTIR and TGA techniques in geopolymeric materials 

    Rosas-Casárez, Carlos A.; Arredondo Rea, Susana Paola; Gómez Soberón, José Manuel Vicente; Almaral Sánchez, Jorge Luis; Corral Higuera, Ramón; Chinchillas Chinchillas, Manuel de Jesús; Acuña Agüero, Octavio Humberto (2014-12-27)
    Article
    Accés restringit per decisió de l'autor
    The alkali activation of fly ashes produces a solid and compact material having similar properties to those of portland cement (PC) with characteristics of sustainable high value; these materials with high silica and ...
  • Experimental study of XRD, FTIR and TGA techniques in geopolymeric materials 

    Rosas Casarez,, Carlos Antonio; Gómez Soberón, José Manuel Vicente; Almaral Sánchez, Jorge Luis; Corral Higuera, Ramón; Chinchillas Chinchillas, Manuel de Jesús; Acuña Agüero, Octavio Humberto; Arredondo Rea, Susana Paola (2014)
    Text en actes de congrés
    Accés restringit per decisió de l'autor
    The alkali activation of fly ashes produces a solid and compact material having similar properties to those of portland cement (PC) with characteristics of sustainable high value; these materials with high silica and ...
  • Experimental study on ferritic stainless steel decks in constructions stage according to Eurocode-3 

    Real Saladrigas, Esther; Arrayago Luquin, Itsaso; Marimón Carvajal, Federico; Ferrer Ballester, Miquel (2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The aesthetic appeal and thermal capacity of ferritic stainless steels, together with the combination of good mechanical properties and excellent corrosion resistance, makes them ideal for exposed composite slabs using ...
  • Experimental study on ferritic stainless steel decks in constructions stage according to Eurocode-3 

    Real Saladrigas, Esther; Arrayago Luquin, Itsaso; Marimón Carvajal, Federico; Ferrer Ballester, Miquel (2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The aesthetic appeal and thermal capacity of ferritic stainless steels, together with the combination of good mechanical properties and excellent corrosion resistance, makes them ideal for exposed composite slabs using ...
  • Experimental study on ferritic stainless steel RHS and SHS beam-columns 

    Arrayago Luquin, Itsaso; Real Saladrigas, Esther; Mirambell Arrizabalaga, Enrique (2015-12-17)
    Article
    Accés restringit per política de l'editorial
    Ferritic stainless steels, with their lower nickel content, supplement the desirable features offered by different stainless steel grades with a more controlled and lower initial investment requirements, which have encouraged ...