Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan

Thermal analysis of air-cooled Polymer Electrolyte Membrane (PEM) fuel cells for closed cathode designs are largely limited within first-order thermal analysis. Normally, closed cathode fuel cells apply the water cooling technique due to large cooling loads. Technical feasibility study in applying a...

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Main Authors:	Wan Mohamed, Wan Ahmad Najmi, Atan, Rahim
Format:	Article
Language:	English
Published:	Faculty of Mechanical Engineering (FKM) and UiTM Press 2013
Online Access:	http://ir.uitm.edu.my/id/eprint/17580/ http://ir.uitm.edu.my/id/eprint/17580/1/AJ_WAN%20AHMAD%20NAJMI%20WAN%20MOHAMED%20JME%2013.pdf

id	uitm-17580
recordtype	eprints
spelling	uitm-175802019-08-26T02:41:33Z http://ir.uitm.edu.my/id/eprint/17580/ Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan Wan Mohamed, Wan Ahmad Najmi Atan, Rahim Thermal analysis of air-cooled Polymer Electrolyte Membrane (PEM) fuel cells for closed cathode designs are largely limited within first-order thermal analysis. Normally, closed cathode fuel cells apply the water cooling technique due to large cooling loads. Technical feasibility study in applying air cooling as an alternative for closed cathode stack designs is reported here using a down-scaled 3-cell stack assembly. A 242 cm2 active area, 3-cell closed cathode PEM fuel cell stack, was developed with 40 integrated straight path air cooling channels in order to investigate the internal thermal effects. The objective is to identify the bulk thermal effects of the stack under cooling for further design considerations using the second-order thermal analysis approach. Tests were conducted with airflows in the range between 200 and 400 Reynolds number and load variations from 10A to 30A. Different fan settings are applied to analyze the response of the design to negative and positive pressure airflows. The temperature profiles are translated into stack cooling profiles with discussions on its polarization, cooling response behaviour and cooling effectiveness. Generally, the cooling effectiveness across all cooling modes was higher than 80% and the negative pressure fan setting provides a more consistent cooling profile but with a slower cooling response. Faculty of Mechanical Engineering (FKM) and UiTM Press 2013 Article PeerReviewed text en http://ir.uitm.edu.my/id/eprint/17580/1/AJ_WAN%20AHMAD%20NAJMI%20WAN%20MOHAMED%20JME%2013.pdf Wan Mohamed, Wan Ahmad Najmi and Atan, Rahim (2013) Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan. Journal of Mechanical Engineering, 10 (2). pp. 53-74. ISSN 1823-5514
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Teknologi MARA
building	UiTM Institutional Repository
collection	Online Access
language	English
description	Thermal analysis of air-cooled Polymer Electrolyte Membrane (PEM) fuel cells for closed cathode designs are largely limited within first-order thermal analysis. Normally, closed cathode fuel cells apply the water cooling technique due to large cooling loads. Technical feasibility study in applying air cooling as an alternative for closed cathode stack designs is reported here using a down-scaled 3-cell stack assembly. A 242 cm2 active area, 3-cell closed cathode PEM fuel cell stack, was developed with 40 integrated straight path air cooling channels in order to investigate the internal thermal effects. The objective is to identify the bulk thermal effects of the stack under cooling for further design considerations using the second-order thermal analysis approach. Tests were conducted with airflows in the range between 200 and 400 Reynolds number and load variations from 10A to 30A. Different fan settings are applied to analyze the response of the design to negative and positive pressure airflows. The temperature profiles are translated into stack cooling profiles with discussions on its polarization, cooling response behaviour and cooling effectiveness. Generally, the cooling effectiveness across all cooling modes was higher than 80% and the negative pressure fan setting provides a more consistent cooling profile but with a slower cooling response.
format	Article
author	Wan Mohamed, Wan Ahmad Najmi Atan, Rahim
spellingShingle	Wan Mohamed, Wan Ahmad Najmi Atan, Rahim Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan
author_facet	Wan Mohamed, Wan Ahmad Najmi Atan, Rahim
author_sort	Wan Mohamed, Wan Ahmad Najmi
title	Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan
title_short	Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan
title_full	Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan
title_fullStr	Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan
title_full_unstemmed	Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan
title_sort	experimental cooling mode variation of an air-cooled pem fuel cell using second-order thermal analysis / wan ahmad najmi wan mohamed and rahim atan
publisher	Faculty of Mechanical Engineering (FKM) and UiTM Press
publishDate	2013
url	http://ir.uitm.edu.my/id/eprint/17580/ http://ir.uitm.edu.my/id/eprint/17580/1/AJ_WAN%20AHMAD%20NAJMI%20WAN%20MOHAMED%20JME%2013.pdf
first_indexed	2023-09-18T22:58:37Z
last_indexed	2023-09-18T22:58:37Z
_version_	1777418022048235520

Experimental cooling mode variation of an air-cooled PEM fuel cell using second-order thermal analysis / Wan Ahmad Najmi Wan Mohamed and Rahim Atan

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