Numerical predictions of a PEM fuel cell performance enhancement by a rectangular cylinder installed transversely in the flow channel

Shiang-Wuu Perng, Horng-Wen Wu, Tswen-Chyuan Jue and Kuo-Chih Cheng

Applied Energy, 2009, vol. 86, issue 9, 1554 pages

Abstract: This paper numerically investigates the installation of the transverse rectangular cylinder along the gas diffusion layer (GDL) in the flow channel for the cell performance enhancement of a proton exchange membrane fuel cell (PEMFC). The effects of the blockage at various gap sizes and the width of the cylinder on the cell performance enhancement have been studied with changing the gap ratios [lambda]Â =Â 0.05-0.3, for the same cylinder) and the width-to-height ratios (WRÂ =Â 0.66-1.66, for the same cylinder height and gap ratio). The results show that the transverse installation of a rectangular cylinder in the fuel flow channel effectively enhances the cell performance of a PEMFC. In addition, the influence of the width of the cylinder on the cell performance is obvious, and the best cell performance enhancement occurs at the gap ratio 0.2 among the gap ratios of 0.05, 0.1, 0.2, and 0.3.

Keywords: PEMFC; Performance; enhancement; Transverse; rectangular; cylinder; Gap; ratio; Width-to-height; ratio (search for similar items in EconPapers)
Date: 2009
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (23)

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