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[期刊论文]

Numerical simulation of mixed convection in anode of a passive direct methanol fuel cell

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作者:

Guo, Hang (Guo, Hang.) (学者:郭航) | Yang, Liang (Yang, Liang.) | Ye, Fang (Ye, Fang.) | 展开

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EI Scopus PKU CSCD

摘要:

A two-dimensional, non-isothermal, steady-state modeling for anode and membrane of a passive direct methanol fuel cell is presented with consideration of its operation characteristics. Computational results show that the temperature distribution inside anode and membrane is not homogeneous. Highest temperature is in anodic catalyst layer. Temperature of membrane is higher than that of anodic gas diffusion layer. As a result of forced convection caused by fuel supply and consumption, temperature and velocity fields of mixed convection inside passive direct methanol fuel cell are different from that of natural convection. This difference is analyzed numerically using the model.

关键词:

Mixed convection Diffusion in gases Heat transfer Direct methanol fuel cells (DMFC) Velocity Anodes Numerical models Computer simulation Methanol Methanol fuels

作者机构:

  • [ 1 ] [Guo, Hang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Yang, Liang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Ye, Fang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Ma, Chong-Fang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

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来源 :

Journal of Engineering Thermophysics

ISSN: 0253-231X

年份: 2013

期: 1

卷: 34

页码: 137-140

ESI学科: PHYSICS;

JCR分区:3

中科院分区:4

被引次数:

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