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Keywords: partial differential equations
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2011, 8(3): 031002.
Published Online: February 15, 2011
...-dimensional, simultaneous, partial differential equations of mass, energy, and electrochemistry and neglecting the stack direction variation effect, is developed. The results show that the fuel utilization increases with a decrease in the molar flow rate, and the average current density decreases when...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. June 2010, 7(3): 031013.
Published Online: March 12, 2010
... of partial differential equations for the water depth and gas flow rate that depend on distance down the channel and time. Steady solutions of these equations are explored to determine the amount of liquid water that accumulates in the channel over a broad range of fuel cell operating conditions. 03 09...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2008, 5(2): 021008.
Published Online: April 11, 2008
... based on partial differential equations and the extraction of kinetics parameters by inverse modeling. For the model setup, various software tools are used. The simulation of laminar free flow is performed by the commercial code COMSOL . A finite volume code is used for the simulation of the reactive...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2008, 5(2): 021007.
Published Online: April 11, 2008
... diffusion, migration, and reaction phenomena of the chemical components in an undersaturated air pore and ionomer. One challenging feature of the work is the description of the TPB by a system of nonlinear partial differential equations (PDEs), coupling bulk, and surface-diffusion phenomena, which offers...
Journal Articles
Publisher: ASME
Article Type: Guest Editorial
J. Electrochem. En. Conv. Stor. May 2008, 5(2): 020301.
Published Online: March 21, 2008
...J. Fuhrmann; B. Haasdonk; E. Holzbecher; M. Ohlberger 21 03 2008 bifurcation catalysis diffusion electrochemical electrodes partial differential equations polymer electrolytes proton exchange membrane fuel cells reaction kinetics sensitivity analysis The operation of fuel...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2008, 5(1): 011009.
Published Online: January 31, 2008
... dynamic model of fuel cell air management system, suited for multivariable controller design, system optimization, and supervisory control strategy. In a first step, the dual analytical approach based on lumped and distributed parameter models is detailed: The partial differential equations deduced from...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Electrochem. En. Conv. Stor. November 2007, 4(4): 413–417.
Published Online: April 19, 2006
... 1 ( x ) = 0 on γ G H σ 1 ∂ V 1 ∂ x 1 ( x ) = J n on γ A H Domain of the partial differential equations Finite differences methods are significantly easier to implement than finite elements methods...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Electrochem. En. Conv. Stor. August 2007, 4(3): 283–293.
Published Online: April 7, 2006
... dynamical model partial differential equations electrochemistry simulation molten carbonate fuel cell Over the last decades, energy production systems based on molten carbonate fuel cells (MCFCs) have gradually gained interest both in many research fields and in industrial contexts ( 1 2 3 4...