Exploració per autor "Serra, Maria"Més informacióMés informació

Ara es mostren els items 10-29 de 73

    • Description of gasket failure in a 7 cell PEMFC stack 

      Husar, Attila Peter; Serra, Maria; Kunusch, Cristian (Elsevier S.A., 2007)
      Article
      Accés obert
      This article presents the data and the description of a fuel cell stack that failed due to gasket degradation. The fuel cell under study is a 7 cell stack. The unexpected change in several variables such as temperature, ...

    • Design and analysis of fuel-cell hybrid systems oriented to automotive applications 

      Feroldi, Diego Hernán; Serra, Maria; Riera, Jordi (Riera Colomer) (2009-11)
      Article
      Accés obert
      Hybridization with high specific energy-storage devices such as supercapacitors (SCs) has important advantages in fuel-cell (FC)-based systems. This paper presents an approach for the design and analysis of FC hybrid systems ...

    • Design of linear controllers applied to an ethanol steam reformer for PEM fuel cell applications 

      García, Vanesa Mariel; Serra, Maria; Llorca Piqué, Jordi; Riera, Jordi (Riera Colomer) (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper focuses on the design of a controller for a low temperature ethanol steam reformer for the production of hydrogen to feed a Protonic Exchange Membrane (PEM) fuel cell. It describes different control structures ...

    • Design of linear controllers applied to an ethanol steam reformer for PEM fuel cell applications 

      García, Vanesa Mariel; Serra, Maria; Llorca, J.; Riera, Jordi (Riera Colomer) (2013)
      Article
      Accés restringit per política de l'editorial
      This paper focuses on the design of a controller for a low temperature ethanol steam reformer for the production of hydrogen to feed a Protonic Exchange Membrane (PEM) fuel cell. It describes different control structures ...

    • Design of linear controllers applied to an ethanol steam reformer for PEN fuel cell applications 

      García, Vanesa Mariel; Serra, Maria; Llorca Piqué, Jordi; Riera, Jordi (2013-06-01)
      Article
      Accés restringit per política de l'editorial
      This paper focuses on the design of a controller for a low temperature ethanol steam reformer for the production of hydrogen to feed a protonic exchange membrane (PEM) fuel cell. It describes different control structures ...

    • Development and experimental validation of a dynamic thermal and water distribution model of an open cathode proton exchange membrane fuel cell 

      Strahl, Stephan; Husar, Attila Peter; Serra, Maria (2011)
      Article
      Accés obert
      Water concentration in proton exchange membrane (PEM) fuel cells strongly influences performance and durability which demands for fundamental understanding of water transport mechanisms. The system efficiency can be ...

    • Diagnosis tools for PEMFC using humidification interruption tests 

      Primucci, Mauricio Ariel; Serra, Maria; Riera, Jordi (Riera Colomer) (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This article presents different diagnosis tools for Proton Exchange Membrane Fuel Cells based on the analysis of their dynamic evolution when the humidification of the inlet gases is interrupted. The diagnosis is aimed ...

    • Diagnóstico de fallos en sistemas de generación de energía basados en pilas de combustible 

      Escobet Canal, Teresa; Feroldi, Diego Hernán; Quevedo Casín, Joseba Jokin; De Lira Ramírez, Salvador; Puig Cayuela, Vicenç; Riera, Jordi (Riera Colomer); Serra, Maria (APPICE, 2008)
      Text en actes de congrés
      Accés obert
      En este trabajo se presenta una metodología de diagnóstico de fallos basada en modelos para sistemas de generación de energía basados en pilas de combustible. La novedad de la metodología se basa en la caracterización de ...

    • Distributed parameter model simulation tool for PEM fuel cells 

      Sarmiento Carnevali, María Laura; Serra, Maria; Batlle Arnau, Carles (2014-03-06)
      Article
      Accés obert
      In this work, a simulation tool for proton exchange membrane fuel cells (PEMFC) has been developed, based on a distributed parameter model. The tool is designed to perform studies of time and space variations in the direction ...

    • Distributed parameter model simulation tool for PEM fuel cells 

      Sarmiento Carnevali, María Laura; Serra, Maria; Batlle Arnau, Carles (2012)
      Text en actes de congrés
      Accés obert
      En este trabajo se ha desarrollado una herramienta de simulación para pilas de combustible tipo PEM, basada en un modelo de parámetros distribuidos. La herramienta está diseñada para realizar estudios de variaciones ...

    • Distributed parameter model-based control of water activity and concentration of reactants in a polymer electrolyte membrane fuel cell 

      Sarmiento Carnevali, María Laura; Serra, Maria; Batlle Arnau, Carles (2017-01-01)
      Article
      Accés restringit per política de l'editorial
      Water management is still a key challenge for optimal performance and durability of polymer electrolyte membrane (PEM) fuel cells. Water levels along the channel in a PEM fuel cell present important spatial variations that ...

    • Distributed parameter nonlinear state observer with unmatched disturbance estimation for PEMFC systems 

      Luna Pacho, Julio Alberto; Usai, Elio; Husar, Attila Peter; Serra, Maria (2015)
      Text en actes de congrés
      Accés obert
      In this paper a nonlinear state observer based on a distributed parameter model is proposed for a proton exchange membrane fuel cell (PEMFC). The estimation technique is implemented using a model-based nonlinear observer ...

    • Distributed parameter PEMFC model order reduction 

      Sarmiento Carnevali, María Laura; Batlle Arnau, Carles; Serra, Maria; Massana Hugas, Immaculada (2014)
      Comunicació de congrés
      Accés obert
      This work focuses on obtaining an order-reduced model from a nonlinear single PEMFC model, which incorporates the effects of distributed parameters that are relevant for its proper functioning and performance. The original ...

    • Dynamic analysis of an ethanol steam reformer for hydrogen production 

      Llerena Pizarro, Omar Rosendo; Ocampo-Martínez, Carlos; Serra, Maria; Silveira, José Luz (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      The attempt to improve hydrogen quality has motivated research focused solely on the design of reactors for hydrogen production, paying little interest to their modelling and much less attention to its dynamic analysis. ...

    • Dynamic modeling and controllability analysis of an ethanol reformer for fuel cell application 

      García, Vanesa Mariel; Lopez Null, Eduardo; Serra, Maria; Llorca Piqué, Jordi; Riera, Jordi (Riera Colomer) (2010-09)
      Article
      Accés obert
      This work presents a controllability analysis of a low temperature ethanol reformer based on a cobalt catalyst for fuel cell application. The study is based on a nonlinear dynamic model of ...

    • Electric vehicle charging station based on wind energy: evaluation of the power profile for vanadium redox flow batteries estimation 

      Fornaro, Pedro; Puleston, Thomas Paul; Puleston, Paul Federico; Battaioto, Pedro; Costa Castelló, Ramon; Serra, Maria (2023-09-14)
      Article
      Accés restringit per política de l'editorial
      This paper considers an electric vehicle charging station based on the combination of a wind turbine, as a primary power source, and a vanadium redox flow battery (VRFB), as an energy storage system. The latter plays a key ...

    • Electrolinera para vehículos eléctricos: evaluación del perfil de potencia de turbinas eólicas para estimación de parámetros en baterías de flujo redox 

      Fornaro, Pedro; Puleston, Thomas Paul; Puleston, Paul Federico; Battaioto, Pedro; Serra, Maria; Costa Castelló, Ramon (Universidad del Pais Vasco, 2022)
      Comunicació de congrés
      Accés obert
      The generation of electrical energy based on renewable sources is essential to successfully achieve the energy transition. In particular, electric vehicle charging stations must be capable of dispatching high levels of ...

    • Energy management strategies based on efficiency map for fuel cell hybrid vehicles 

      Feroldi, Diego Hernán; Serra, Maria; Riera, Jordi (Riera Colomer) (2009-05)
      Article
      Accés obert
      The addition of a fast auxiliary power source like a supercapacitor bank in fuel cellbased vehicles has a great potential because permits a significant reduction of the hydrogen consumption and an improvement of the vehicle ...

    • Energy management strategies for fuel cell-hybrid vehicles 

      Feroldi, Diego Hernán; Roig Remon, Enric; Serra, Maria; Riera, Jordi (Riera Colomer) (2008)
      Text en actes de congrés
      Accés obert
      This paper presents an analysis and a comparative study between three new proposed Energy Management Strategies oriented to Fuel Cell-Hybrid Vehicles (FCHVs). The vehicle in study is powered by a fuel cell and a supercapacitor ...

    • Energy optimisation and controllability in complex distillation columns 

      Serra, Maria (Universitat Politècnica de Catalunya, 2000-09-12)
      Tesi
      Accés obert
      To extend the knowledge of complex distillation arrangements for the separation of ternary mixtures and make them closer to implementation in industry is the motivation of this thesis work. Some design, operation, and ...