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    Wyświetlanie 1-3 z 3
    Tytuł:
    Computational Fluid Dynamics calculation of a planar solid oxide fuel cell design running on syngas
    Autorzy:
    Pianko-Oprych, P.
    Zinko, T.
    Jaworski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/184992.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    planar Solid Oxide Fuel Cells
    Computational Fluid Dynamics
    syngas
    płaskie ogniwa paliwowe z tlenkiem stałym
    obliczeniowa dynamika płynów
    syngaz
    Opis:
    The present study deals with modelling and validation of a planar Solid Oxide Fuel Cell (SOFC) design fuelled by gas mixture of partially pre-reformed methane. A 3D model was developed using the ANSYS Fluent Computational Fluid Dynamics (CFD) tool that was supported by an additional Fuel Cell Tools module. The governing equations for momentum, heat, gas species, ion and electron transport were implemented and coupled to kinetics describing the electrochemical and reforming reactions. In the model, the Water Gas Shift reaction in a porous anode layer was included. Electrochemical oxidation of hydrogen and carbon monoxide fuels were both considered. The developed model enabled to predict the distributions of temperature, current density and gas flow in the fuel cell.
    Źródło:
    Chemical and Process Engineering; 2017, 38, 4; 513-521
    0208-6425
    2300-1925
    Pojawia się w:
    Chemical and Process Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Three-dimensional computational fluid dynamics modelling of a proton exchange membrane fuel cell with a serpentine micro-channel design
    Autorzy:
    Zinko, T.
    Jaworski, Z.
    Pianko-Oprych, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/185221.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Proton Exchange Membrane Fuel Cells
    Computational Fluid Dynamics
    flow field design
    polarisation curve
    obliczeniowa dynamika płynów
    pole przepływu
    krzywa polaryzacji
    Opis:
    The aim of this paper was to demonstrate the feasibility of using a Computational Fluid Dynamics tool for the design of a novel Proton Exchange Membrane Fuel Cell and to investigate the performance of serpentine micro-channel flow fields. A three-dimensional steady state model consisting of momentum, heat, species and charge conservation equations in combination with electrochemical equations has been developed. The design of the PEMFC involved electrolyte membrane, anode and cathode catalyst layers, anode and cathode gas diffusion layers, two collectors and serpentine micro-channels of air and fuel. The distributions of mass fraction, temperature, pressure drop and gas flows through the PEMFC were studied. The current density was predicted in a wide scope of voltage. The current density – voltage curve and power characteristic of the analysed PEMFC design were obtained. A validation study showed that the developed model was able to assess the PEMFC performance.
    Źródło:
    Chemical and Process Engineering; 2018, 39, 2; 143--154
    0208-6425
    2300-1925
    Pojawia się w:
    Chemical and Process Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A review of the numerical studies on planar and tubular solid oxide fuel cells within four EU projects of the 7th framework programme
    Autorzy:
    Pianko-Oprych, P.
    Jaworski, Z.
    Zinko, T.
    Palus, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/185086.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Solid Oxide Fuel Cell
    stack
    fuel cell system
    Computational Fluid Dynamics
    CFD
    Finite Element Method
    FEM
    modelling
    process simulation
    ogniwo paliwowe z tlenkiem stałym
    system ogniw paliwowych
    obliczeniowa dynamika płynów
    metoda elementów skończonych
    MES
    modelowanie symulacje procesu
    Opis:
    The paper addresses the issues of quantification and understanding of Solid Oxide Fuel Cells (SOFC) based on numerical modelling carried out under four European, EU, research projects from the 7FP within the Fuel Cell and Hydrogen Joint Undertaking, FCH JU, activities. It is a short review of the main projects’ achievements. The goal was to develop numerical analyses at a single cell and stack level. This information was integrated into a system model that was capable of predicting fuel cell phenomena and their effect on the system behaviour. Numerical results were analysed and favourably compared to experimental results obtained from the project partners. At the single SOFC level, a static model of the SOFC cell was developed to calculate output voltage and current density as functions of fuel utilisation, operational pressure and temperature. At the stack level, by improving fuel cell configuration inside the stack and optimising the operation conditions, thermal stresses were decreased and the lifetime of fuel cell systems increased. At the system level, different layouts have been evaluated at the steady-state and by dynamic simulations. Results showed that increasing the operation temperature and pressure improves the overall performance, while changes of the inlet gas compositions improve fuel cell performance.
    Źródło:
    Chemical and Process Engineering; 2018, 39, 4; 377--393
    0208-6425
    2300-1925
    Pojawia się w:
    Chemical and Process Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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