[PDF] Top 20 Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cells
Has 10000 "Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cells" found on our website. Below are the top 20 most common "Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cells".
Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cells
... from modelling and numerical ...flows in porous media, many techniques have been used in relation with PEM fuel ...concepts of capillary pressure curves and relative per- ...notably ... Voir le document complet
12
Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cell
... words: Pore network modeling, condensation, evaporation, temperature gradient ...vapour condensation driven by a temperature gradient in a porous medium is encountered in ... Voir le document complet
154
Validation of pore network simulations of ex-situ water distributions in a gas diffusion layer of proton exchange membrane fuel cells with X-ray tomographic images
... discussed in this ...cause of discrepancies between the simulations and the experiment. In this work we imposed inlet boundary conditions considering the hydrophilic membrane as a water ... Voir le document complet
15
Performance loss of proton exchange membrane fuel cell due to hydrophobicity loss in gas diffusion layer: Analysis by multiscale approach combining pore network and performance modelling
... effect of the local changes in wettability ...are in fact not yet available for the fibrous materials forming GDLs. In our case, pores of cubic shape are thus regularly placed on a 3D ... Voir le document complet
15
Validation of pore network simulations of ex-situ water distributions in a gas diffusion layer of proton exchange membrane fuel cells with X-ray tomographic images
... discussed in this ...cause of discrepancies between the simulations and the experiment. In this work we imposed inlet boundary conditions considering the hydrophilic membrane as a water ... Voir le document complet
14
Modelling and numerical simulation of water transfer in Proton Exchange Membrane Fuel Cells
... reactant gas access indicator τ for all the simulations of a given realisation of ...decrease in the risk of flooding of the fuel ...reactant gas access to the CL, ... Voir le document complet
183
Pore network model of the cathode catalyst layer of proton exchange membrane fuel cells: Analysis of water management and electrical performance
... A pore network modeling approach is developed to study multiphase transport phenomena inside a porous structure representative of the Cathode Catalyst Layer (CCL) of Proton ... Voir le document complet
12
Characterization of pore network structure in catalyst layers of polymer electrolyte fuel cells
... microstructure in terms of ionomer and Pt content, pore size dis- tribution, and pore network ...The Pore Network Modeling (PNM) approach is widely used to study the ... Voir le document complet
6
Impact of non-uniform wettability in the condensation and condensationliquid water intrusion regimes in the cathode gas diffusion layer of proton exchange membrane fuel cell
... fractions of hydrophilic pores greater than a critical value corre- sponding to the percolation threshold of the ...impact of the hydrophobicity loss on the PEMFC per- formance was then studied ... Voir le document complet
10
Simulations of one and two-phase flows in porous microstructures, from tomographic images of gas diffusion layers of proton exchange membrane fuel cells
... on pore network extracted from images were tested on a series of microstructures to ensure their ...range of microstruc- tures, ranging from simple geometries to real GDL ...relevance ... Voir le document complet
232
Influence of wettability on liquid water transport in gas diffusion layer of proton exchange membrane fuel cells (PEMFC)
... consideration of simple 3D pore network models is certainly helpful, ...microtomographies of real GDLs. Figure 5 shows a representative image of GDL obtained with this ...size of ... Voir le document complet
8
Impact of non-uniform wettability in the condensation and condensationliquid water intrusion regimes in the cathode gas diffusion layer of proton exchange membrane fuel cell
... fractions of hydrophilic pores greater than a critical value corre- sponding to the percolation threshold of the ...impact of the hydrophobicity loss on the PEMFC per- formance was then studied ... Voir le document complet
11
Measurement of effective gas diffusion coefficients of catalyst layers of PEM fuel cells with a Loschmidt diffusion cell
... (CCL) in a proton exchange membrane (PEM) fuel cell is a porous thin coating with the porosity of 30–60% and pore size distribution from several nanometers to 100 ... Voir le document complet
7
Liquid water in cathode gas diffusion layers of PEM fuel cells:Identification of various pore filling regimes from pore network simulations
... A pore network model (PNM) aiming at simulating the liquid water pore filling in the cathode gas diffu- sion layer (GDL) in an operating PEM–fuel cell is ...range ... Voir le document complet
15
Water condensation in Gas Diffusion Layers of PEM Fuel cells
... 3D pore network simulation of liquid water (in blue) invasion by condensation in GDL for moderate condensation ...by condensation under the rib. The fundamental ... Voir le document complet
3
Proton Exchange Membrane Fuel Cell Operation and Degradation in Short-Circuit
... Hybridization of Proton Exchange Membrane Fuel Cells (PEMFC) and Ultra Capacitors (UC) are considered as an alternative way to implement high autonomy, high dynamic and ... Voir le document complet
18
Proton exchange membrane fuel cell operation and degradation in short-circuit
... operation of a PEM fuel cell stack under electrical short ...peak of current appears (near 10 times nominal current) but decreases to stabilize in a much lower value (two times the nominal ... Voir le document complet
7
Proton exchange membrane fuel cell operation and degradation in short-circuit.
... performance of a Proton Exchange Membrane Fuel Cell (PEMFC) is affected by many direct and indirect factors such as fuel cell design and assembly, material properties, operating ... Voir le document complet
7
Accelerated conditioning for a proton exchange membrane fuel cell
... type of MEA components, the actual conditioning time and prop- erties may ...helpful in accelerating the process; higher cycling frequency may reduce the activation time, but is soon followed by ... Voir le document complet
6
Proton exchange membranes for direct methanol fuel cells
... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. Electrocatalysis of Direct Methanol ... Voir le document complet
41
Sujets connexes