Cfd Analysis of Heat Transfer in a Microtubular Solid Oxide Fuel Cell Stack

• Authors: Paulina Pianko-Oprych , Ekaterina Kasilova , Zdzisław Jaworski
• Languages of publication: EN

Abstracts

EN

The aim of this work was to achieve a deeper understanding of the heat transfer in a microtubular Solid Oxide Fuel Cell (mSOFC) stack based on the results obtained by means of a Computational Fluid Dynamics tool. Stack performance predictions were based on simulations for a 16 anodesupported mSOFCs sub-stack, which was a component of the overall stack containing 64 fuel cells. The emphasis of the paper was put on steady-state modelling, which enabled identification of heat transfer between the fuel cells and air flow cooling the stack and estimation of the influence of stack heat losses. Analysis of processes for different heat losses and the impact of the mSOFC reaction heat flux profile on the temperature distribution in the mSOFC stack were carried out. Both radiative and convective heat transfer were taken into account in the analysis. Two different levels of the inlet air velocity and three different values of the heat losses were considered. Good agreement of the CFD model results with experimental data allowed to predict the operation trends, which will be a reliable tool for optimisation of the working setup and ensure sufficient cooling of the mSOFC stack.

Keywords

EN

microtubular Solid Oxide Fuel Cell stack; heat transfer; heat losses; temperature distributions; Computational Fluid Dynamics

• Publisher: De Gruyter Open
• Journal: Chemical and Process Engineering
• Year: 2014
• Volume: 35
• Issue: 3
• Pages: 293-304

Dates

published

1 - 9 - 2014

received

1 - 11 - 2013

online

17 - 10 - 2014

accepted

23 - 5 - 2014

revised

4 - 4 - 2014

Contributors

author

Paulina Pianko-Oprych

• West Pomeranian University of Technology, Institute of Chemical Engineering and Environmental Protection Processes, al. Piastów 42, 71-065 Szczecin, Poland

author

Ekaterina Kasilova

• West Pomeranian University of Technology, Institute of Chemical Engineering and Environmental Protection Processes, al. Piastów 42, 71-065 Szczecin, Poland

author

Zdzisław Jaworski

• West Pomeranian University of Technology, Institute of Chemical Engineering and Environmental Protection Processes, al. Piastów 42, 71-065 Szczecin, Poland

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Identifiers

DOI

10.2478/cpe-2014-0022