The Effects of the PEM Fuel Cell Performance with the Waved Flow Channels
The objective of this study is to use a new style of waved flow channel instead of the plane surface channel in the proton exchange membrane fuel cell (PEMFC). The velocity, concentration, and electrical performance with the waved flow channel in PEMFC are investigated by numerical simulations. The...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | Journal of Applied Mathematics |
| Online Access: | http://dx.doi.org/10.1155/2013/862645 |
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| author | Yue-Tzu Yang Kuo-Teng Tsai Cha’o-Kuang Chen |
| author_facet | Yue-Tzu Yang Kuo-Teng Tsai Cha’o-Kuang Chen |
| author_sort | Yue-Tzu Yang |
| collection | DOAJ |
| description | The objective of this study is to use a new style of waved flow channel instead of the plane surface channel in the proton exchange membrane fuel cell (PEMFC). The velocity, concentration, and electrical performance with the waved flow channel in PEMFC are investigated by numerical simulations. The results show that the waved channel arises when the transport benefits through the porous layer and improves the performance of the PEMFC. This is because the waved flow channel enhances the forced convection and causes the more reactant gas flow into the gas diffusion layer (GDL). The performance which was compared to a conventional straight gas flow channel increases significantly with the small gap size when it is smaller than 0.5 in the waved flow channel. The performance is decreased at the high and low velocities as the force convection mechanism is weakened and the reactant gas supply is insufficient. The pressure drop is increased as the gap size becomes smaller, and the wave number decreases. (gap size) δ > 0.3 has a reasonable pressure drop. Consequently, compared to a conventional PEMFC, the waved flow channel improves approximately 30% of power density. |
| format | Article |
| id | doaj-art-c29b6782c1ca4d77ad4950efe8b60b85 |
| institution | OA Journals |
| issn | 1110-757X 1687-0042 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Applied Mathematics |
| spelling | doaj-art-c29b6782c1ca4d77ad4950efe8b60b852025-08-20T02:19:04ZengWileyJournal of Applied Mathematics1110-757X1687-00422013-01-01201310.1155/2013/862645862645The Effects of the PEM Fuel Cell Performance with the Waved Flow ChannelsYue-Tzu Yang0Kuo-Teng Tsai1Cha’o-Kuang Chen2Department of Mechanical Engineering, National Cheng Kung University, Tainan 70101, TaiwanDepartment of Mechanical Engineering, National Cheng Kung University, Tainan 70101, TaiwanDepartment of Mechanical Engineering, National Cheng Kung University, Tainan 70101, TaiwanThe objective of this study is to use a new style of waved flow channel instead of the plane surface channel in the proton exchange membrane fuel cell (PEMFC). The velocity, concentration, and electrical performance with the waved flow channel in PEMFC are investigated by numerical simulations. The results show that the waved channel arises when the transport benefits through the porous layer and improves the performance of the PEMFC. This is because the waved flow channel enhances the forced convection and causes the more reactant gas flow into the gas diffusion layer (GDL). The performance which was compared to a conventional straight gas flow channel increases significantly with the small gap size when it is smaller than 0.5 in the waved flow channel. The performance is decreased at the high and low velocities as the force convection mechanism is weakened and the reactant gas supply is insufficient. The pressure drop is increased as the gap size becomes smaller, and the wave number decreases. (gap size) δ > 0.3 has a reasonable pressure drop. Consequently, compared to a conventional PEMFC, the waved flow channel improves approximately 30% of power density.http://dx.doi.org/10.1155/2013/862645 |
| spellingShingle | Yue-Tzu Yang Kuo-Teng Tsai Cha’o-Kuang Chen The Effects of the PEM Fuel Cell Performance with the Waved Flow Channels Journal of Applied Mathematics |
| title | The Effects of the PEM Fuel Cell Performance with the Waved Flow Channels |
| title_full | The Effects of the PEM Fuel Cell Performance with the Waved Flow Channels |
| title_fullStr | The Effects of the PEM Fuel Cell Performance with the Waved Flow Channels |
| title_full_unstemmed | The Effects of the PEM Fuel Cell Performance with the Waved Flow Channels |
| title_short | The Effects of the PEM Fuel Cell Performance with the Waved Flow Channels |
| title_sort | effects of the pem fuel cell performance with the waved flow channels |
| url | http://dx.doi.org/10.1155/2013/862645 |
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