Ara es mostren els items 12762-12781 de 86294

  • Bottom-up characterization of the Spanish building stock – Archetype buildings and energy demand 

    Medina Benejam, Georgina (Universitat Politècnica de Catalunya / Chalmers Tekniska Högskola, 2010)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    The largest potential for energy efficiency improvements lies in retrofitting existing buildings. With the aim of meeting this challenge, a methodology that represents the European building stock as reference buildings has ...
  • Bottom-up description of the French building stock, including archetype buildings and energy demand 

    Ribas Portella, Josep Maria (Universitat Politècnica de Catalunya / Chalmers University of Technology, 2012-09)
    Projecte/Treball Final de Carrera
    Accés obert
    The work of this thesis was undertake to address an urgent need to describe the European building stock, so as to allow future assessments of the effects of different energy-saving measures. The available information on ...
  • Bottom-Up instructive quality control in the biofabrication of smart protein materials 

    Rueda, Fabian; Cespedes, Maria Virtudes; Cochinillo, Oscar; Sanchez Chardi, Alejandro; Seras Franzoso, Joaquin; Cubarsí Morera, Rafael; Gallardo, Alberto; Pesarrodona, Mireia; Ferrer Miralles, Neus; Daura, Xavier; Vazquez Gómez, Esther; García Fruitós, Elena; Mangues, Ramón; Unzueta, Ugutz; Villaverde, A. (2015-10)
    Article
    Accés obert
  • Bottom-up processing of thermoelectric nanocomposites from colloidal nanocrystal building blocks: the case of Ag2Te–PbTe 

    Cadavid, Doris; Ibáñez, María; Gorsse, Stéphane; López Martínez, Antonio Miguel; Cirera, Albert; Morante, Joan Ramón; Cabot, Andreu (2012-11-28)
    Article
    Accés restringit per política de l'editorial
    Nanocomposites are highly promising materials to enhance the efficiency of current thermoelectric devices. A straightforward and at the same time highly versatile and controllable approach to produce nanocomposites is ...
  • Bottoming bending process assisted by electroplasticity 

    Sánchez Egea, Antonio José; González Rojas, Hernan Alberto; Celentano, Diego Javier; Travieso Rodriguez, Jose Antonio; Llumà Fuentes, Jordi (EUETIB, 2013-12)
    Text en actes de congrés
    Accés obert
    Este estudio reporta la influencia de los efectos atérmicos de la electroplasticidad en el proceso de doblado por estampa. Se fabrica un generador que generar pulsos de 300A y un ancho de 50μs. Los materiales estudiados ...
  • Bouncing cosmologies in geometries with positively curved spatial sections 

    Haro Cases, Jaume (Elsevier, 2016-09-10)
    Article
    Accés obert
    Background bouncing cosmologies, driven by a single scalar field, having a quasi-matter domination period during the contracting phase, i.e., depicting the so-called Matter Bounce Scenario, are reconstructed for cosmologies ...
  • Bouncing loop quantum cosmology from F(T) gravity 

    Amorós Torrent, Jaume; Haro Cases, Jaume; Odintsov, Sergei D. (2013-05)
    Article
    Accés obert
    The big bang singularity could be understood as a breakdown of Einstein’s general relativity at very high energies. By adopting this viewpoint, other theories that implement Einstein cosmology at high energies might solve ...
  • Bouncing loop quantum cosmology in Gauss-Bonnet gravity 

    Haro Cases, Jaume; Makarenko, A. M.; Myagky, A. N.; Odintsov, Sergei D.; Oikonomou, V. K. (American Physical Society, 2015-12-11)
    Article
    Accés obert
    We develop an effective Gauss-Bonnet extension of loop quantum cosmology, by introducing holonomy corrections in modified F(G) theories of gravity. Within the context of our formalism, we provide a perturbative expansion ...
  • Bouncing of bubbles impacting at a free surface 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2009)
    Text en actes de congrés
    Accés obert
  • Boundary conditions for gradient-enhanced models with smoothed displacements 

    Tamayo Mas, Elena; Rodríguez Ferran, Antonio (2012)
    Article
    Accés obert
    Los modelos de gradiente basados en desplazamientos suavizados son una alternativa a los modelos estándares para simular numéricamente el proceso de fallo de materiales. En esta formulación alternativa coexisten los ...
  • Boundary effects in the Rayleigh line for a fluid out of thermal equilibrium 

    Rubí Capaceti, José Miguel; Pagonabarraga, I.; Torner Sabata, Lluís (1990-11)
    Article
    Accés restringit per política de l'editorial
    We analyze the effect of boundary conditions in the Rayleigh spectrum of a fluid under a temperature gradient. A specific wave vector geometry prevents coupling between temperature and velocity fluctuations and could make ...
  • Boundary element method applied to polarimetric radiometry of rain events 

    Duffo Ubeda, Núria; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; Corbella Sanahuja, Ignasi; Bará Temes, Francisco Javier; Torres Torres, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Text en actes de congrés
    Accés obert
  • Boundary element method based on preliminary discretization 

    Poblet-Puig, Jordi; Valyaev, Valery; Shanin, Andrey (2014-03)
    Article
    Accés obert
    A new numerical method for solving wave diffraction problems is given. The method is based on the concept of boundary elements; i.e., the unknown values are the field values on the surface of the scatterer. An analog of a ...
  • Boundary generation from voxel-based volume representations 

    Joan Arinyo, Robert; Solé Bosquet, Jaume (1996-03)
    Report de recerca
    Accés obert
    A method to generate polygonal boundary representations from voxel-based volume representations is presented. As an auxiliary data structure, the algorithm makes use of a face octree extracted from the voxel-based ...
  • Boundary layer analysis and heat transfer of a nanofluid 

    MacDevette, M.M.; Myers, Timothy; Wetton, B. (2014-08)
    Article
    Accés obert
    A theoretical model for nanofluid flow, including Brownian motion and thermophoresis, is developed and analysed. Standard boundary layer theory is used to evaluate the heat transfer coefficient near a flat surface. The ...
  • Boundary layer effects on the vortex shedding in a Donaldsontype hydrofoil 

    Fontanals García, Alfred; Guardo Zabaleta, Alfredo de Jesús; Zobeiri, Amirreza; Egusquiza Estévez, Eduard; Farhat, Mohamed; Avellan, François (2014)
    Comunicació de congrés
    Accés obert
    Fluid - Structure Interaction (FSI) phenomena is becoming a relevant study field for the design or revamping of hydropower plants. The generalized trend of increasing flow rates and reducing rotor blades/stay vanes thickness ...
  • Boundary Layer Late Afternoon and Sunset Turbulence: the BLLAST 2011 experiment 

    Pino González, David; Lothon, Marie; Lohou, Fabienne; Pardyjak, Erick; Reuder, Joaquim; Legain, Dominique; Durand, Pierre; Couvreux, Fleur; Vilà-Guerau de Arellano, Jordi (2012)
    Text en actes de congrés
    Accés obert
  • Boundary regularity for the fractional heat equation 

    Fernández-Real Girona, Xavier (Universitat Politècnica de Catalunya, 2014-09)
    Treball Final de Grau
    Accés obert
    In this dissertation we present an introduction to nonlocal operators, and in particular, we study the fractional heat equation, which involves the fractional Laplacian of order 2s. In the first chapters we make a review ...
  • Boundary value problems for Schrödinger operators on a path 

    Carmona Mejías, Ángeles; Encinas Bachiller, Andrés Marcos; Gago Álvarez, Silvia (2012-05-25)
    Report de recerca
    Accés obert
    In this work, we concentrate on determining explicit expressions, via suitable orthogonal polynomials on the line, for the Green function associated with any regular boundary value problem on a weighted path, whose weights ...
  • Boundary value problems for Schrödinger operators on a Path Associated to Orthogonal Polynomials 

    Carmona Mejías, Ángeles; Encinas Bachiller, Andrés Marcos; Gago Álvarez, Silvia (Springer, 2013)
    Capítol de llibre
    Accés restringit per política de l'editorial
    In this work, we concentrate on determining explicit expressions, via suitable orthogonal polynomials on the line, for the Green function associated with any regular boundary value problem on a weighted path, whose weights ...