Now showing items 38308-38327 of 78035

  • High resolution simulation of the variability of surface energy balance fluxes across central London with urban zones for energy partitioning 

    Loridan, Thomas; Lindberg, Fredrik; Jorba Casellas, Oriol; Kotthaus, Simone; Grossman-Clarke, Susanne; Grimmond, C.S.B. (2013-03-01)
    Article
    Restricted access - publisher's policy
    The parameterization of surface heat-flux variability in urban areas relies on adequate representation of surface characteristics. Given the horizontal resolutions (e.g. ˜0.1–1km) currently used in numerical weather ...
  • High Rise Buildings 

    Unknown author (1998)
    Article
    Open Access
  • High saturation in a nonlinear optical amplifier 

    Ruiz Moreno, Sergio; Junyent Giralt, Gabriel; Soneira Ferrando, M. José (1987)
    Conference report
    Open Access
  • High spatial entanglement via chirped quasi-phase-matched optical parametric down-conversion 

    Svozilik, Jiri; Perina, Jr., Jan; Pérez Torres, Juan (2012-11)
    Article
    Open Access
    By making use of the spatial shape of paired photons, parametric down-conversion allows the generation of two-photon entanglement in a multidimensional Hilbert space. How much entanglement can be generated in this way? In ...
  • High strength steel fracture: fracture initiation analysis by the essential work of fracture concept 

    Torrentallé Dot, Maria (Universitat Politècnica de Catalunya, 2015-01)
    Bachelor thesis
    Open Access
    Advanced High Strength Steels (AHSS) are used in the automotive industry in form of thin sheets, to reduce weight and increase crashworthiness. However their moderate ductility can be a disadvantage for their conformation, ...
  • High temperature scratch testing of hard PVD coatings deposited on surface treated tool steel 

    Pujante, Jaume; Vilaseca, Montserrat; Casellas, Daniel; Riera Colom, María Dolores (2014-09-15)
    Article
    Open Access
    Scratch testing is one of the most usual characterisation techniques for systems with thin hard coatings. Scratch tests are performed at run at room temperature, due to the risk of degradation of the indenter diamond tip ...
  • High temperature thermal energy storage systems based on latent and thermo-chemical heat storage 

    Carrasco Portaspana, Jennifer (Universitat Politècnica de CatalunyaTechnische Universität Wien, 2010)
    Master thesis (pre-Bologna period)
    Open Access
    The increasing of the population and development of the different countries converts the energy topic in one of the most important aspects of our times. The main target due to the limited life of conventional energy ...
  • High temperature transformation of electrospun BaZrO3 nanotubes into nanoparticle chains 

    Obradors i Berenguer, Francesc Xavier; Puig Molina, Teresa; Tornero García, José Antonio; Cano Casas, Francesc; Calleja, Albert; Granados, Xavier; Ricart, Susana; Oro, Judith; Arbiol, Jordi; Mestres, Narcís; Carrillo, Ana Esther; Palmer, Xavier (2011-12)
    Article
    Restricted access - publisher's policy
  • High Tg bio-based aliphatic polyesters from bicyclic D-mannitol 

    Lavilla Aguilar, Cristina; Alla Bedahnane, Abdelilah; Martínez de Ilarduya Sáez de Asteasu, Domingo Antxon; Muñoz Guerra, Sebastián (2013-03-11)
    Article
    Restricted access - publisher's policy
    The carbohydrate-based diol 2,4:3,5-di- O -methylene- D -mannitol (Manx) has been used to obtain aliphatic polyesters. Manx is a symmetric bicyclic compound consisting of two fused 1,3-dioxane rings and bearing ...
  • High torque, high impact braking system by using Hot Melt Adhesive (HMA) 

    Fernandez Bocanegra, Juan José (Universitat Politècnica de CatalunyaEidegenössische Technische Hochschule Zürich, 2011)
    Master thesis (pre-Bologna period)
    Open Access
    When designing a new legged robot it is important to think about what the robot has to do. It is not the same a non-stop walking robot than a legged robot which has to be at the same position much longer than moving. For ...
  • High voltage pulser for NDE air-coupled lamb wave ultrasonic system 

    García Rodríguez, Mercedes; Arjones, V.; Yañez, Y.; García Hernández, Miguel J.; Salazar Soler, Jorge; Turó Peroy, Antonio; Chávez Domínguez, Juan Antonio (American Institute of Physics (AIP), 2010)
    Conference report
    Restricted access - publisher's policy
    This paper describes a high voltage pulser developed for an air-coupled ultrasonic array NDE system based on Lamb waves. Unlike the classical single pulse excitation circuits, this pulser is able to generate a bipolar ...
  • High voltage ultrathin-photovoltaic minimodules: fabrication technology and application to bioimplantable telesupplying 

    Bermejo Broto, Sandra; Silvestre Bergés, Santiago; Ortega Villasclaras, Pablo Rafael (2013)
    Conference lecture
    Restricted access - publisher's policy
  • High voltage ultrathin-photovoltaic minimodules: fabrication technology and application to bioimplantable telesupplying 

    Bermejo Broto, Sandra; Silvestre Bergés, Santiago; Ortega Villasclaras, Pablo Rafael (2014-05-01)
    Article
    Restricted access - publisher's policy
    In this work we show small (0.49 cm2) and thin (<70 µm) photovoltaic mini-generators capable of providing open circuit voltages up to 99 V and short circuit currents of 43 µA, achieving a maximum density power of 4.8 mW/cm2. ...
  • High-accuracy 233U(n, f ) cross-section measurement at the white-neutron source n TOF from near-thermal to 1 MeV neutron energy 

    Sarchiapone, L.; Savvidis, I.; Konovalov, V.; Stephan, C.; Tagliente, G.; Krticka, M.; Rudolf, G.; Kossionides, E.; Rullhusen, P.; Leeb, H.; Salgado, J.; Capote, R.; Cano-Ott, D.; Mengoni, A.; Calviño Tavares, Francisco; Milazzo, P.M.; Berthoumieux, E.; Massimi, C.; Berthier, B.; Mastinu, P.; Belloni, F.; Lampoudis, C.; Marrone, S.; Becvár, F.; Martínez, T.; Baumann, P.; Badurek, G.; Audouin, L.; Carrapiço, C.; Marganiec, J.; Lukic, S.; Lozano, M.; Santos, C.; Lopes, I.; Lindote, A.; Tain, J.L.; Tassan-Got, L.; Assimakopoulos, P.A.; Kadi, Y.; Calviani, M.; Karadimos, D.; Praena, J.; Karamanis, D.; Abbondanno, U.; Ketlerov, V.; Aerts, G.; Kerveno, M.; Álvarez, H.; Koehler, P.; Álvarez-Velarde, F.; Andriamonje, S.; Andrzejewski, J.; Vlachoudis, V.; Vlastou, R.; Villamarin, D.; Vincente, M.C.; Käppeler, F.; Vaz, P.; Jericha, E.; Ventura, A.; Igashira, M.; Terlizzi, R.; Herrera-Martinez, A.; Vannini, G.; Voss, F.; Guerrero, C.; Tavora, L.; Gunsing, F.; Goverdovski, A.; Gramegna, F.; Heil, M.; Haas, B.; Haight, R.; Furman, W.; Gonzalez-Romero, E.; Goncalves, I.; Ferrant, L.; Ferrari, A.; Ferreira-Marques, R.; Fujiii, K.; Dridi, W.; Duran, I.; Eleftheriadis, C.; Embid-Segura, M.; Domingo-Pardo, C.; Dillmann, I.; David, S.; Cox, J.; Dahlfors, M.; Cortés Rossell, Guillem Pere; Couture, A.; Chiaveri, E.; Colonna, N.; Cennini, P.; Chepel, V.; Rubbia, C.; Rosetti, M.; Plukis, A.; Poch Parés, Agustí; Plag, R.; Plompen, A.; Rauscher, T.; Reifarth, R.; Pretel Sánchez, Carme; Quesada, J.; Pigni, M.T.; Perrot, L.; Pavlopoulos, P.; Papadopoulos, C.; Paradela, C.; Wisshak, K.; Patronis, N.; Pavlik, A.; O'Brien, S.; Pancin, J.; Papachristodoulou, C.; Mosconi, M.; Moreau, C.; Oberhummer, H.; Walter, S.; Neves, F.; Wiescher, M. (2009-10-08)
    Article
    Restricted access - publisher's policy
    The 233U(n,f ) cross section has been measured at the white neutron source n TOF in a wide energy range with a dedicated fission ionization chamber. We report here the results from ∼30 meV to 1 MeV neutron energy. ...
  • High-accuracy all-digital resolver-to-digital conversion 

    Bergas Jané, Joan Gabriel; Ferrater Simón, María Misericordia; Gross, Gabriel Igor; Ramírez Pisco, Rodrigo; Galcerán Arellano, Samuel; Rull Duran, Joan (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-04-19)
    Article
    Restricted access - publisher's policy
    In this article, a high-accuracy all-digital resolverto- digital converter is presented. The two basic components of a conventional tracking R/D converter, the phase detector and the loop filter, are software implemented ...
  • High-accuracy determination of the 238U/ 235U fission cross section ratio up to ˜ 1 GeV at n_TOF at CERN 

    Paradela, C.; Calviani, Marco; Tarrío, D.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Pretel Sánchez, Carme; Riego Pérez, Albert (2015-02-09)
    Article
    Open Access
    The U238 to U235 fission cross section ratio has been determined at n_TOF up to ˜1 GeV, with two different detection systems, in different geometrical configurations. A total of four datasets has been collected and compared. ...
  • High-accuracy determination of the neutron flux at n TOF 

    Barbagallo, M.; Guerrero, C.; Tsinganis, A.; Tarrío, D.; Altstadt, S.; Andriamonje, S.; Andrzejewski, J.; Audouin, L.; Bécares, V.; Becvar, F.; Belloni, Fabio; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Hernández-Prieto, A.; Riego Pérez, Albert (2013-12-18)
    Article
    Restricted access - publisher's policy
    The neutron flux of the n TOF facility at CERN was measured, after installation of the new spallation target, with four different systems based on three neutron-converting reactions, which represent accepted cross sections ...
  • High-coherence light source for atom trapping and cooling 

    Palacios Álvarez, Silvana (Universitat Politècnica de Catalunya, 2012-09-06)
    Master thesis
    Open Access
    [ANGLÈS] A master clock (frequency reference) for experiments related to cold and trapped rubidium atoms was developed. From a telecommunication fibre laser source at 1560 nm, frequency-doubling was optimized to obtain an ...
  • High-density capacitor devices based on macroporous silicon and metal electroplating 

    Vega, Didac; Reina Marsinyach, Jordi; Pavón Urbano, Ramón; Rodríguez Martínez, Ángel (2014-01)
    Article
    Restricted access - publisher's policy
    This paper presents a novel technique for the fabrication of ultrahigh capacitance structures based on macroporous silicon. Electrochemical etching is used to create a 3-D template in silicon. These structures reach high ...
  • High-density surface EMG maps from upper-arm and forearm muscles 

    Rojas Martínez, Mónica; Mañanas Villanueva, Miguel Ángel; Alonso López, Joan Francesc (2012-12)
    Article
    Open Access
    Background sEMG signal has been widely used in different applications in kinesiology and rehabilitation as well as in the control of human-machine interfaces. In general, the signals are recorded with bipolar electrodes ...