首页> 外文期刊>International Journal of Heat and Mass Transfer >Study of the effects of flow channel with non-uniform cross-sectional area onPEMFC species and heat transfer
【24h】

Study of the effects of flow channel with non-uniform cross-sectional area onPEMFC species and heat transfer

机译:横截面积不均匀的流道对PEMFC种类和传热的影响研究

获取原文
获取原文并翻译 | 示例
           

摘要

In this study it is investigated the performance of a proton exchange membrane fuel cell. The results show that an inclination of 0.75° in the flow channel can effectively increase the current density generated by almost 9.5% and the maximum power density by 8%. With the use of more tapered channels the distribution of the reactants in the porous media leads to a better effective oxygen distribution, affecting directly the heat transfer inside the cell. In contrast, the pressure drop in the flow channel increase by factors of approximately 2 and 3.5 for angles of 0.5° and 0.75°, respectively.
机译:在这项研究中,研究了质子交换膜燃料电池的性能。结果表明,在流道中倾斜0.75°可以有效地将产生的电流密度提高大约9.5%,将最大功率密度提高8%。通过使用更多的锥形通道,反应物在多孔介质中的分布会导致更好的有效氧分布,直接影响电池内部的热传递。相反,对于0.5°和0.75°的角度,流动通道中的压降分别增加了约2倍和3.5倍。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2011年第22期|p.4462-4472|共11页
  • 作者单位

    Universidade Federal de Santa Catarina, Departamento de Engenharia Quimica e de Alimentos. 88040-970 Florianopolis, SC, Brazil;

    Universidade Federal de Santa Catarina, Departamento de Engenharia Quimica e de Alimentos. 88040-970 Florianopolis, SC, Brazil,Facolta di Ingegneria, Universita del Sannio, Piazza Roma, 82100 Benevento, Italy;

    Universidade Federal de Sao Joao Del Rei, Campus Centro-Oeste Dona Lindu, 35501-296 Divinopolis, MC, Brazil;

    Pontificia Universidade Catolica do Parana, Programa de Pos-Craduacao em Eng. Mecanica, 80215-901 Curitiba, PR, Brazil,Universidade Federal do Parana, Departamento de Engenharia Eletrica, Curitiba, PR, Brazil;

    Universidade Federal de Santa Catarina, Departamento de Engenharia Quimica e de Alimentos. 88040-970 Florianopolis, SC, Brazil;

    Universidade Federal de Santa Catarina, Departamento de Engenharia Quimica e de Alimentos. 88040-970 Florianopolis, SC, Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    cfd analysis process intensification proton exchange membrane fuel cell energy multiphase heat and mass transfer;

    机译:cfd分析过程强化质子交换膜燃料电池能量多相传热传质;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号