Ara es mostren els items 6651-6670 de 91085

  • Analysis of the charge transferred by lightning during Catalonia (Spain) thunderstorms 

    Montañá Puig, Juan (2004)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
    Knowledge of lightning parameters related to electrical atmospheric discharges are essential to predict the severity such as over voltages in power lines or other damages. Today the availability of statistical data ...
  • Analysis of the Chinese Airline Network as multi-layer networks 

    Du, Wen-Bo; Zhou, Xing-Lian; Lordan González, Oriol; Wang, Zhen; Zhao, Chen; Zhu, Yan-Bo (2016-03-23)
    Article
    Accés restringit per política de l'editorial
    This paper encapsulates the Chinese Airline Network (CAN) into multi-layer infrastructures via the “k-core decomposition” method. The network is divided into three layers: Core layer, containing airports of provincial ...
  • Analysis of the Chinese provincial air transportation network 

    Du, Wen-Bo; Liang, Bo-Yuan; Hong, Chen; Lordan González, Oriol (2017-01-01)
    Article
    Accés restringit per política de l'editorial
    The air transportation system is of a great impact on the economy and globalization of a country. In this paper, we analyze the Chinese air transportation network (ATN) from a provincial perspective via the complex network ...
  • Analysis of the collapse behaviour of a natural soil using the Barcelona Basic Model 

    Mascarenha, Marcia Mª dos Anjos; Cordao Neto, Manoel Porfirio; Murrieta, P.; Romero Morales, Enrique Edgar (CRC Press, 2009)
    Capítol de llibre
    Accés restringit per política de l'editorial
    The analysis of the hydro-mechanical and microstructural behaviour of a natural collapsible silty clay is presented in this paper. The analysis allowed concluding that a conventional model can be applied for the levels of ...
  • Analysis of the contribution of wind power plants to damp power system oscillations 

    Domínguez García, José Luis (Universitat Politècnica de Catalunya, 2013-09-18)
    Tesi
    Accés obert
    Wind power has emerged as one of the most promising renewable energy sources. The very penetration levels of wind energy in power systems have altered several aspects of power system operation, such as system stability. ...
  • Analysis of the control structures for an integrated ethanol processor for proton exchange membrane fuel cell systems 

    Biset, S; Nieto Deglioumini, Lucas; Basualdo, Marta; Garcia Mariel, Vanesa; Serra, Maria (2009)
    Article
    Accés obert
    The aim of this work is to investigate which would be a good preliminary plantwide control structure for the process of Hydrogen production from bioethanol to be used in a proton exchange membrane (PEM) accounting only ...
  • Analysis of the convective timescale during the major floods in the NE Iberian Peninsula since 1871 

    Pino González, David; Reynés, Artur; Mazón Bueso, Jordi; Balasch Solanes, Josep Carles; Ruiz Bellet, Josep Lluís; Tuset Mestre, Jordi; Barriendos Valve, Mariano; Castelltort, Xavier (2016)
    Comunicació de congrés
    Accés obert
    Floods are the most severe natural hazard in the western Mediterranean basin. They cause most of the damages and most of the victims. Some of the selected floods caused more than one hundred casualties each and a large ...
  • Analysis of the decrease of the apparent young's modulus of advanced high strength steels and its effect in bending simulations 

    Cobo Molina, Raúl; Pla, M.; Hernández Rossi, Ricardo; Benito Páramo, José Antonio (2009)
    Comunicació de congrés
    Accés obert
    In this paper the evolution of the Young’s Modulus (E) during unloading with plastic deformation has been studied for different Dual-Phase AHSS from DP780 to DP1400. During unloading, all the DP steels studied showed the ...
  • Analysis of the demand status and forecast of food cold chain in Beijing 

    Lan, Hongjie; Tian, Yongbin (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-04)
    Article
    Accés obert
    Purpose: Food cold chain is very important for ensuring food safety and decreasing the loss in the supply process. It is also benefit for the citizen, because cold chain could promise the food safety and the demand of the ...
  • Analysis of the discontinuous Galerkin interior penalty method with solenoidal approximations for the stokes equations 

    Villardi de Montlaur, Adeline de; Fernandez Mendez, Sonia (2014)
    Article
    Accés obert
    The discontinuous Galerkin Interior Penalty Method with solenoidal approximations proposed in [13] for the incompressible Stokes equations is analyzed. Continuity and coercivity of the bilinear form are proved. A priori ...
  • Analysis of the distribution of pareto optimal solutions on various multi-objective evolutionary algorithms 

    Arnau Antoniucci, Guido (Universitat Politècnica de Catalunya, 2016-05-18)
    Treball Final de Grau
    Accés obert
    This project compares the quality of the distributions of solutions produced by various popular and novel Multi-Objective Evolutionary Algorithms. Two quality indicators are evaluated and used to find the biases and problems ...
  • Analysis of the dynamic behavior of refrigerated spaces using air curtains 

    Jaramillo Ibarra, Julian Ernesto; Pérez Segarra, Carlos David; Oliva Llena, Asensio; Oliet Casasayas, Carles (2009-01-01)
    Article
    Accés restringit per política de l'editorial
    This article is devoted to the study of air curtains applied to reduce the refrigerated chambers heat gains. The proposed strategy is based on the numerical simulation of air curtains by means of computational fluid dynamics ...
  • Analysis of the dynamic behaviour of rotating disk-like structures submerged and confined 

    Presas Batlló, Alexandre (Universitat Politècnica de Catalunya, 2014-11-27)
    Tesi
    Accés obert
    The analysis of the dynamic behaviour of rotating turbomachinery components is of relevant interest to avoid damages or fatigue problems in these parts. To determine the dynamic behaviour of a part of a structure it is ...
  • Analysis of the dynamic response of pump-turbine impellers. Influence of the rotor 

    Egusquiza Estévez, Eduard; Valero Ferrando, M.del Carmen; Presas Batlló, Alexandre; Huang, Xingxing; Guardo Zabaleta, Alfredo de Jesús; Seidel, Ulrich (2016-02-01)
    Article
    Accés restringit per política de l'editorial
    This paper deals with the dynamic response of pump-turbine impellers. A pump-turbine impeller is a complex structure attached to a rotor and rotating inside a casing full of water with very small clearances between the ...
  • Analysis of the dynamic response of pump-turbine runners. Part I: Experiment 

    Presas Batlló, Alexandre; Valero Ferrando, M.del Carmen; Huang, Xingxing; Egusquiza Estévez, Eduard; Farhat, Mohamed; Avellan, François (IOPScience, 2012)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    When in operation, pump-turbine runners have to withstand large pressure pulsations generated by the rotor-stator interaction. The analysis of the dynamic behavior of these structures is necessary to avoid damage. For this ...
  • Analysis of the dynamic short-circuit resistance in organic bulk-heterojunction solar cells: relation to the charge carrier collection efficiency 

    Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Asensi López, José Miguel; Galindo Lorente, Sergi; Cheylan, S.; Pacios, R.; Ortega Villasclaras, Pablo Rafael; Alcubilla González, Ramón (2013-06)
    Article
    Accés restringit per política de l'editorial
    This work studies the charge carrier collection efficiency in organic bulk-heterojunction solar cells based on polymer:fullerene blends. An equivalent circuit with a specific recombination term is proposed to describe the ...
  • Analysis of the dynamics of gray matter reduction in Alzheimers disease 

    Aduriz Berasategi, Asier (Universitat Politècnica de Catalunya, 2016-05-13)
    Treball Final de Grau
    Accés obert
    This project attempts to study the cerebral atrophy patterns in gray matter across the different stages of the Alzheimer’s Disease (AD), or more specifically, along the entire AD continuum, in a voxelwise approach. To this ...
  • Analysis of the effect of large fuel tanks on aerodynamic performances of heavy trucks and large aircraft 

    Lopez Castillo, Edgar; Paricio Vallespi, Xavier (Universitat Politècnica de Catalunya, 2017-03-15)
    Treball Final de Grau
    Accés obert
    Nowadays, 90% of the worldwide vehicles work with fossil fuels. Use of fossil fuels contributes to the greenhouse effect and, to increase the pollution worldwide. Hydrogen has been suggested as a possible alternative to ...
  • Analysis of the effect of provisional ties on the construction and current deformation of Mallorca cathedral 

    Pelà, Luca; Bourgeois, Julien; Roca Fabregat, Pedro; Cervera Ruiz, Miguel; Chiumenti, Michèle (2016-04)
    Article
    Accés restringit per política de l'editorial
    This paper presents the analysis of the structure of Mallorca Cathedral taking into account the influence on structural behaviour of auxiliary iron ties used during the construction process. Recent studies (Roca et al., ...
  • Analysis of the effect of the compaction procedure of asphalt specimens with marshall and gyratory compactor on the volumetric and mechanical properties 

    Araya Zamorano, Loreto Andrea; Hernández-Barrera, Diana; Pérez Jiménez, Félix Edmundo; Martínez Reguero, Adriana Haydée; Miró Recasens, José Rodrigo (2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The study is focused on evaluating the influence of compaction variables with the Superpave Gyratory Compactor (SGC) in volumetric and mechanical properties of asphalt mixtures. At the Road Research Laboratory of the ...