Cover Image

Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method

Liquid structures such as droplets and slugs exist inside gas channels of polymer electrolyte fuel cells in low-temperature applications. The efficiency of these electrochemical devices depends on the effective removal of the produced water. The gas channels' specifications like section geometr...

Full description

Saved in:
Bibliographic Details
Main Authors: Cao, Yan, El-Shorbagy, Mohamed A., Dahari, Mahidzal, Cao, Dao Nam, El Din, ElSayed M. Tag, Huynh, Phat Huy, Wae-hayee, Makatar
Format: Article
Published: Elsevier 2022
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.um.edu.my/41206/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.um.eprints.41206
record_format eprints
spelling my.um.eprints.412062023-09-13T07:08:22Z http://eprints.um.edu.my/41206/ Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method Cao, Yan El-Shorbagy, Mohamed A. Dahari, Mahidzal Cao, Dao Nam El Din, ElSayed M. Tag Huynh, Phat Huy Wae-hayee, Makatar TK Electrical engineering. Electronics Nuclear engineering Liquid structures such as droplets and slugs exist inside gas channels of polymer electrolyte fuel cells in low-temperature applications. The efficiency of these electrochemical devices depends on the effective removal of the produced water. The gas channels' specifications like section geometry, corner angles, and surface wettability properties substantially control the liquid removal process. Here, five channels with various section geometries are modeled and the liquid-slug discharge process is investigated using a transient volume of fluid method. The numerical model consists of a segment of the cathode-side gas channel with the working conditions of an operational fuel cell. The dynamic two-phase flow simulations show that channels with smaller width and height eventuate in proper flow distribution at the gas feed. A channel with the sectional dimensions of 0.5 mm x 0.5 mm results in. 35.18% faster GDL (Gas-Diffusion Layer) clearance, 29.32% faster liquid expulsion compared to other channels having 2-3 times higher dimensions. Therefore, this channel is recommended as the best design for improved fuel cell performance. (C) 2022 The Authors. Published by Elsevier Ltd. Elsevier 2022-11 Article PeerReviewed Cao, Yan and El-Shorbagy, Mohamed A. and Dahari, Mahidzal and Cao, Dao Nam and El Din, ElSayed M. Tag and Huynh, Phat Huy and Wae-hayee, Makatar (2022) Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method. Energy Reports, 8. pp. 9420-9430. ISSN 2352-4847, DOI https://doi.org/10.1016/j.egyr.2022.07.048 <https://doi.org/10.1016/j.egyr.2022.07.048>. 10.1016/j.egyr.2022.07.048
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Cao, Yan
El-Shorbagy, Mohamed A.
Dahari, Mahidzal
Cao, Dao Nam
El Din, ElSayed M. Tag
Huynh, Phat Huy
Wae-hayee, Makatar
Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method
description Liquid structures such as droplets and slugs exist inside gas channels of polymer electrolyte fuel cells in low-temperature applications. The efficiency of these electrochemical devices depends on the effective removal of the produced water. The gas channels' specifications like section geometry, corner angles, and surface wettability properties substantially control the liquid removal process. Here, five channels with various section geometries are modeled and the liquid-slug discharge process is investigated using a transient volume of fluid method. The numerical model consists of a segment of the cathode-side gas channel with the working conditions of an operational fuel cell. The dynamic two-phase flow simulations show that channels with smaller width and height eventuate in proper flow distribution at the gas feed. A channel with the sectional dimensions of 0.5 mm x 0.5 mm results in. 35.18% faster GDL (Gas-Diffusion Layer) clearance, 29.32% faster liquid expulsion compared to other channels having 2-3 times higher dimensions. Therefore, this channel is recommended as the best design for improved fuel cell performance. (C) 2022 The Authors. Published by Elsevier Ltd.
format Article
author Cao, Yan
El-Shorbagy, Mohamed A.
Dahari, Mahidzal
Cao, Dao Nam
El Din, ElSayed M. Tag
Huynh, Phat Huy
Wae-hayee, Makatar
author_facet Cao, Yan
El-Shorbagy, Mohamed A.
Dahari, Mahidzal
Cao, Dao Nam
El Din, ElSayed M. Tag
Huynh, Phat Huy
Wae-hayee, Makatar
author_sort Cao, Yan
title Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method
title_short Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method
title_full Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method
title_fullStr Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method
title_full_unstemmed Examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method
title_sort examining the relationship between gas channel dimensions of a polymer electrolyte membrane fuel cell with two-phase flow dynamics in a flooding situation using the volume of fluid method
publisher Elsevier
publishDate 2022
url http://eprints.um.edu.my/41206/
_version_ 1778161641249046528
score 13.211869

Similar Items