...S. Zhang; U. Reimer; Y. Rahim; S. B. Beale; W. Lehnert A computational fluid dynamics model for high-temperature polymer electrolyte fuel cells (PEFC) is developed. This allows for three-dimensional (3D) transport-coupled calculations to be conducted. All major transport phenomena...

.... This work presents results of a sensibility study performed for different membrane thermal conductivities, analyzing the influence of this parameter on the main cell response variables. The work has been performed with the aid of a computational fluid dynamics (CFD) model developed for a 50 cm 2 fuel cell...

... density per volume than the larger version. Hence they are a potential technology for automotive, auxiliary and small scale power supply devices. In this study a commercially available computational fluid dynamic (CFD) software program was used to predict a MT-SOFCs performance when located inside a high...

...Mojtaba Parvizi Omran; Mousa Farhadi; Kurosh Sedighi A 3D, single phase steady-state model has been developed for liquid feed direct methanol fuel cell. The model is implemented into the commercial computational fluid dynamics (CFD) software package FLUENT ® v6.2, with its user-defined functions...

... dynamics two-phase flow wettability property flow three-dimensional simulation computational fluid dynamics numerical analysis proton exchange membrane fuel cells two-phase flow 09 12 2005 28 04 2006 31 03 2011 31 03 2011 2011 American Society of Mechanical...

... to the customers. The improvement for fuel cells during the past years has been fast, but the technology is still in the early phases of development; however, the potential is enormous. A computational fluid dynamics (CFD) approach ( COMSOL MULTIPHYSICS ) is employed to investigate effects of different fuels...

... is possible, thanks to their high operating temperature. The purpose of this study is to develop an anode-supported SOFC theoretical model to enhance the understanding of the internal reforming reactions and their effects on the transport processes. A computational fluid dynamics approach, based on the finite...

... the anode and the cathode. To address these issues, various analytical tools, including system-level modeling and simulation and computational fluid dynamics (CFD), were utilized. FCE has developed a comprehensive fuel cell stack operation simulation model including hydrodynamics, kinetics, electrochemical...

.... Computational fluid dynamics (CFD) can be helpful to predict fuel-cell performance before a cell is actually built and tested. However, to perform a CFD simulation using a three-dimensional model of an entire fuel-cell stack can require a considerable amount of time and multiprocessor computing capability...

...William J. Sembler; Sunil Kumar To determine the effects of various parameters on the performance of a solid-oxide fuel cell (SOFC), a series of simulations was performed using computational fluid dynamics (CFD). The first step in this process was to create a three-dimensional CFD model...

...Junxiang Shi; Xingjian Xue A comprehensive 3D computational fluid dynamics (CFD) model is developed for a bi-electrode supported cell (BSC) solid oxide fuel cell (SOFC). The model includes complicated transport phenomena of mass/heat transfer, charge (electron and ion) migration...

... the effect of the experimental apparatus on the measurement results but also about the radial temperature distribution through a MT-SOFC in a working mode. Both these topics will be further investigated in part II of this study through a computational fluid dynamics study. This should provide additional...

... in the overall fuel cell failure. In the present work, 2D studies are performed to understand the effect of manufacturing processing conditions and materials on the quality of the high-temperature membranes. Multiphase computational fluid dynamics models are used for solving the flow behavior of a shear-thinning...

... and compared with a flattened tubular HPD cell. The computational models were developed using the commercial computational fluid dynamics software FLUENT 6.2 along with its SOFC user defined routine to model the electrochemical effects. The SOFC model parameters were derived from experimental data. The cathode...

... the Ohmic resistance of the PEM. 20 04 2009 19 10 2009 16 07 2010 16 07 2010 computational fluid dynamics flow through porous media proton exchange membrane fuel cells two-phase flow polymer electrolyte fuel cell modeling general transport equation Darcy’s law two...

... catalysts cathodes computational fluid dynamics current density diffusion electrochemical electrodes proton exchange membrane fuel cells PEM fuel cells porous medium computational fluid dynamics As the amount of fossil fuels have decreased, alternative energy sources have become...

...Jesper Lebæk; Marcin Blazniak Andreasen; Henrik Assenholm Andresen; Mads Bang; Søren Knudsen Kær The inlet effect on the manifold flow in a fuel cell stack was investigated by means of numerical methods (computational fluid dynamics) and experimental methods (particle image velocimetry...

... predicted throughout the system are validated accordingly, not only from experimental results but also from computational fluid dynamics modeling. 14 07 2007 02 08 2008 07 10 2009 casting computational fluid dynamics design engineering membranes proton exchange membrane fuel cells...

... from the corners. A single-phase computational fluid dynamics (CFD) model was developed and employed to help explain the observed water-distribution patterns. Flow-fields computed from our CFD model reveal recirculation regions in the GFC corners as well as in the areas of increased local gas-flow...

... temperature change throughout the stack when the stack size is increased. 28 03 2006 23 08 2008 05 10 2009 convection current distribution heat conduction solid oxide fuel cells temperature distribution solid oxide fuel cell stack computational fluid dynamics three...