Understanding single-phase water-management signatures in fuel-cell impedance spectra: A numerical study
Electrochemical impedance spectroscopy is a powerful technique used in fuel-cell diagnosis
and characterization. A low-frequency inductive behavior may appear in the fuel-cell …
and characterization. A low-frequency inductive behavior may appear in the fuel-cell …
Estimation of relative transport properties in porous transport layers using pore-scale and pore-network simulations
Improvements in imaging techniques have enabled the reconstruction of complex porous
media which can be analyzed by computer simulations. The two most popular methods for …
media which can be analyzed by computer simulations. The two most popular methods for …
Impact of liquid-water accumulation and drainage cycles on fuel-cell performance and stability
Abstract A transient, two-phase, 2D model of a proton-exchange-membrane fuel cell
(PEMFC) is developed and used to study liquid-water dynamics. Porous structure of the cell …
(PEMFC) is developed and used to study liquid-water dynamics. Porous structure of the cell …
Design optimization and parameter estimation of a PEMFC using nature-inspired algorithms
Numerical simulation of proton-exchange membrane fuel cells (PEMFCs) requires an
adequate model and precise parameters for reproducing their operational performance …
adequate model and precise parameters for reproducing their operational performance …
A two-dimensional numerical model for the sliding motion of liquid drops by the particle finite element method
Liquid drops sliding on surfaces are ubiquitous both in the natural and industrial world. The
prediction of such drop motions has far-reaching implications in many fields of application …
prediction of such drop motions has far-reaching implications in many fields of application …
A reaction–convection–diffusion model for PEM fuel cells
In this paper, we present a novel 1D singularly perturbed reaction–convection–diffusion
mathematical model, with non-linear coefficients (SP-RCD model), for the physical modeling …
mathematical model, with non-linear coefficients (SP-RCD model), for the physical modeling …
Comprehensive analysis of polysulfone membrane humidifier in hydrogen fuel cell vehicles: Experimental and theoretical approaches
This study performed a comprehensive experimental and theoretical analysis of a shell-and-
tube type gas-to-gas humidifier module in a 95 kW class hydrogen fuel cell vehicle. The …
tube type gas-to-gas humidifier module in a 95 kW class hydrogen fuel cell vehicle. The …
A particle finite element-based model for droplet spreading analysis
A particle finite element method-based model is proposed to analyze droplet dynamics
problems, particularly droplet spreading on solid substrates (wetting). The model uses an …
problems, particularly droplet spreading on solid substrates (wetting). The model uses an …
How does porosity heterogeneity affect the transport properties of multibore filtration membranes?
D Wypysek, D Rall, T Neef, A Jarauta… - Journal of Membrane …, 2021 - Elsevier
The prediction of pressure and flow distributions inside porous membranes is important if the
geometry deviates from single-bore tubular geometries. This task remains challenging …
geometry deviates from single-bore tubular geometries. This task remains challenging …
The influence of graphitization on the thermal conductivity of catalyst layers and temperature gradients in proton exchange membrane fuel cells
As the proton exchange membrane fuel cell (PEMFC) has improved its performance and
power density, the efficiency has remained unchanged. With around half the reaction …
power density, the efficiency has remained unchanged. With around half the reaction …