Effects, Damage Characteristics and Recovery Potential of Traffic-induced Nitric Oxide Emissions in PEM Fuel Cells under Variable Operating Conditions

Fuel Cells ◽  
2018 ◽  
Vol 18 (5) ◽  
pp. 594-601 ◽  
Author(s):  
U. Misz ◽  
A. Talke ◽  
A. Heinzel ◽  
P. Beckhaus
Keyword(s):  
Nitric Oxide ◽  
Fuel Cells ◽  
Pem Fuel Cells ◽  
Operating Conditions ◽  
Damage Characteristics ◽  
Recovery Potential ◽  
Nitric Oxide Emissions ◽  
Variable Operating Conditions

Effect of Operating Conditions on the Acidity of H2/Air PEM Fuel Cells' Water

2019 ◽  
Vol 16 (2) ◽  
pp. 543-550 ◽  
Author(s):  
Aboubakr M. Abdullah ◽  
Takeyoshi Okajima ◽  
F. Kitamura ◽  
Takeo Ohsaka
Keyword(s):  
Fuel Cells ◽  
Pem Fuel Cells ◽  
Operating Conditions

scholarly journals Overall and local effects of operating conditions in PEM fuel cells with dead-ended anode

2017 ◽  
Vol 42 (7) ◽  
pp. 4690-4698 ◽  
Author(s):  
Yupeng Yang ◽  
Xu Zhang ◽  
Liejin Guo ◽  
Hongtan Liu
Keyword(s):  
Fuel Cells ◽  
Pem Fuel Cells ◽  
Operating Conditions ◽  
Local Effects

Taguchi Approach in Combination with CFD Simulation as a Technique for the Optimization of the Operating Conditions of PEM Fuel Cells

2020 ◽  
Vol 45 (9) ◽  
pp. 7587-7597
Author(s):  
Yassine Amadane ◽  
Hamid Mounir ◽  
Abdellatif El Marjani ◽  
Hafsa Bouhrim ◽  
Muhammad Adnan Rafi
Keyword(s):  
Fuel Cells ◽  
Cfd Simulation ◽  
Pem Fuel Cells ◽  
Operating Conditions ◽  
Taguchi Approach

Modelling and Optimization of the NO Formation in an Industrial Glass Furnace

1992 ◽  
Vol 114 (4) ◽  
pp. 514-523 ◽  
Author(s):  
M. G. Carvalho ◽  
V. S. Semia˜o ◽  
P. J. Coelho
Keyword(s):  
Nitric Oxide ◽  
Mathematical Model ◽  
Glass Furnace ◽  
Dominant Role ◽  
Formation Rate ◽  
Heat Transfer Process ◽  
Operating Conditions ◽  
Industrial Glass ◽  
Nitric Oxide Emissions ◽  
Glass Furnaces

The effects of combustion excess-air level, air preheating, and fuel composition on the nitric oxide emissions from an industrial glass furnace are studied through the use of a mathematical model. The mathematical model is based on the solution of the time-averaged form of the governing conservation equations for mass, momentum, energy, and chemical species. The k-ε turbulence model is employed for modelling the turbulence fluxes. The flame is modelled as a turbulent diffusion one and the chemical reactions associated with the heat release are assumed to be fast. The fluctuations of scalar properties are accounted for by use of a clipped-Gaussian probability density function. The thermal radiation, playing the dominant role in the heat-transfer process, is modelled using the discrete transfer method. Because of the high temperatures at which industrial glass furnaces operate a considerable amount of thermal NO is formed. The present work presents a model, based on a chemical kinetic approach, to predict the nitric oxide emissions from industrial glass furnaces. The Zeldovich mechanism, retaining the reverse reactions, is incorporated in the model in order to predict the instantaneous NO net formation rate from atmospheric nitrogen. The whole procedure is applied to a cross-fired regenerative furnace. A set of parametric studies is carried out, demonstrating the ability of the model to evaluate the influence of changes in operating conditions on the NO emissions.

Gas flow field with obstacles for PEM fuel cells at different operating conditions

2015 ◽  
Vol 40 (5) ◽  
pp. 2303-2311 ◽  
Author(s):  
Muhittin Bilgili ◽  
Magdalena Bosomoiu ◽  
Georgios Tsotridis
Keyword(s):  
Fuel Cells ◽  
Flow Field ◽  
Gas Flow ◽  
Pem Fuel Cells ◽  
Operating Conditions ◽  
Gas Flow Field

Imaging of Water Profiles in PEM Fuel Cells Using Neutron Radiography: Effect of Operating Conditions and GDL Composition

2019 ◽  
Vol 11 (1) ◽  
pp. 411-422 ◽  
Author(s):  
R. Mukundan ◽  
John R. Davey ◽  
Tommy Rockward ◽  
Jacob S. Spendelow ◽  
Bryan Pivovar ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Neutron Radiography ◽  
Pem Fuel Cells ◽  
Operating Conditions
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