Modeling and simulation of a coupled double-loop-cooling system for PEM-fuel cell stack cooling

2012 ◽  
Author(s):  
Martin Schultze ◽  
Michael Kirsten ◽  
Sven Helmker ◽  
Joachim Horn
Keyword(s):  
Fuel Cell ◽  
Modeling And Simulation ◽  
Cooling System ◽  
Pem Fuel Cell ◽  
Double Loop ◽  
Fuel Cell Stack

Optimized Cooling System for PEM Fuel Cell Stack Based on Entropy Generation Minimization

Volume 1 ◽  
2004 ◽  
Author(s):  
M. H. Saidi ◽  
A. A. Mozafari ◽  
L. Sharifian
Keyword(s):  
Fuel Cell ◽  
Turbulent Flow ◽  
Turbulent Flows ◽  
Entropy Generation ◽  
Design Methodology ◽  
Cooling System ◽  
Pem Fuel Cell ◽  
Fuel Cell Stack ◽  
Entropy Generation Minimization ◽  
Lower Entropy

Cell temperature in fuel cells is an important parameter which highly affects fuel cell stack efficiency. A suitable cooling system should satisfy an acceptable temperature range. In this research a relevant cooling system for a specified PEM fuel cell stack has been proposed complying with the criteria and cooling requirements of the fuel cell. The effect of various parameters on the entropy generation and temperature distribution in the cooling plates are surveyed. The number of cooling plates, the number of channels in each cooling plate and the channel width is determined. Two flow regimes namely laminar and turbulent flows of the cooling fluid in channels are analyzed and a design methodology is proposed for each regime of flow. The proposed design methodology in turbulent flow will be optimized while the work destruction is minimized. However, the proposed design in laminar flow is not the optimum one but the most efficient between different configurations. The comparison between these two proposed designs show that the turbulent flow has a lower entropy generation. In addition to entropy generation minimization, to have a desirable optimum cooling system, other parameters such as the size of the cooling plates and temperature uniformity inside cooling system have been investigated in this analysis.

Modeling and simulation of parallel DC/DC converters for online AC impedance estimation of PEM fuel cell stack

2016 ◽  
Vol 41 (4) ◽  
pp. 3004-3014 ◽  
Author(s):  
Po Hong ◽  
Jianqiu Li ◽  
Liangfei Xu ◽  
Minggao Ouyang ◽  
Chuan Fang
Keyword(s):  
Fuel Cell ◽  
Modeling And Simulation ◽  
Pem Fuel Cell ◽  
Ac Impedance ◽  
Fuel Cell Stack

Bond graph model of a PEM fuel cell stack

2008 ◽  
Vol 1 (06) ◽  
pp. 329-334
Author(s):  
S. Rabih ◽  
C. Turpin ◽  
S. Astier
Keyword(s):  
Fuel Cell ◽  
Graph Model ◽  
Pem Fuel Cell ◽  
Bond Graph ◽  
Fuel Cell Stack

Diagnosis of PEM fuel cell stack based on magnetic fields measurements

2014 ◽  
Vol 47 (3) ◽  
pp. 11482-11487 ◽  
Author(s):  
T. Hamaz ◽  
C. Cadet ◽  
F. Druart ◽  
G. Cauffet
Keyword(s):  
Fuel Cell ◽  
Magnetic Fields ◽  
Pem Fuel Cell ◽  
Fuel Cell Stack

Parametric Sensitivity Tests — European PEM Fuel Cell Stack Test Procedures

2014 ◽  
Author(s):  
Samuel Simon Araya ◽  
Søren Juhl Andreasen ◽  
Søren Knudsen Kær
Keyword(s):  
Fuel Cell ◽  
Low Temperature ◽  
Pem Fuel Cell ◽  
Test Procedures ◽  
Fuel Cell Stack ◽  
Parametric Sensitivity ◽  
Benchmark Tests ◽  
Sensitivity Tests ◽  
Performance Results ◽  
Fuel Cell Operation

As fuel cells are increasingly commercialized for various applications, harmonized and industry-relevant test procedures are necessary to benchmark tests and to ensure comparability of stack performance results from different parties. This paper reports the results of parametric sensitivity tests performed based on test procedures proposed by a European project, Stack-Test. The sensitivity of a Nafion-based low temperature PEMFC stack’s performance to parametric changes was the main objective of the tests. Four crucial parameters for fuel cell operation were chosen; relative humidity, temperature, pressure, and stoichiometry at varying current density. Furthermore, procedures for polarization curve recording were also tested both in ascending and descending current directions.

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